#help-0 | Mathematics | Page 640

plucky crow May 31, 2021, 12:38 PM

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then the area of the side parrallelogram twice

vale wigeon May 31, 2021, 12:38 PM

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you have six faces here

plucky crow May 31, 2021, 12:38 PM

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ann can explain

vale wigeon May 31, 2021, 12:38 PM

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two trapezoids and four what appear to be rectangles

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this is a right trapezoidal prism right?

small holly May 31, 2021, 12:38 PM

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what the flippy is a trapezoid

vale wigeon May 31, 2021, 12:38 PM

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a shape with one pair of parallel sides

small holly May 31, 2021, 12:38 PM

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these words are too big

vale wigeon May 31, 2021, 12:38 PM

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sometimes called a trapezium

small holly May 31, 2021, 12:38 PM

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i only know trapezium

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YES

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THAT THING

vale wigeon May 31, 2021, 12:39 PM

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yeah

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so you have two of those as faces

small holly May 31, 2021, 12:39 PM

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wait ill type you what i did please correct me

vale wigeon May 31, 2021, 12:39 PM

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oh

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you should include that next time, makes the helpers' job this much easier

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anyway, brb for a few mins but im still here

small holly May 31, 2021, 12:41 PM

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(12.5^2)+(9.2x5.3)+(6/2(9.2+12.5))+(6/2(12.5+5.3))

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=323.51

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way off the answer

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im pretty sure its somthing wrong with the trapezoids

ornate yarrow May 31, 2021, 12:44 PM

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Anyone here knows matlab?

vale wigeon May 31, 2021, 12:44 PM

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@ornate yarrow i do, but we'll need to move to another channel

ornate yarrow May 31, 2021, 12:44 PM

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Which one ?

vale wigeon May 31, 2021, 12:45 PM

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@small holly are you told that the top face is a square?

small holly May 31, 2021, 12:45 PM

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im guessing it is

vale wigeon May 31, 2021, 12:45 PM

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ornate yarrow Which one ?

somewhere that's free

ornate yarrow May 31, 2021, 12:45 PM

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Ok

small holly May 31, 2021, 12:45 PM

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wouldnt they have just given me another integer if it was a rectangle

vale wigeon May 31, 2021, 12:46 PM

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hold up

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the depth of the prism is 5.3

cursive moth May 31, 2021, 12:46 PM

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can someone help me write a reflection

small holly May 31, 2021, 12:46 PM

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wait whats the depth

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@cursive moth #help-1

vale wigeon May 31, 2021, 12:46 PM

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okay i might have to go now

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but uh. try not to kill two birds with one stone ig

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work out the area of each face separately THEN add them up

small holly May 31, 2021, 12:48 PM

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alright

oak chasm May 31, 2021, 12:48 PM

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It has Fibonacci numbers in the answer.

n:           0  1  2  3  4   5   6   7   8    9   10
fib(n + 1):  1  1  2  3  5   8  13  21  34   55   89
fibcalls(n): 1  1  3  5  9  15  25  41  67  109  177

How does the fib(n + 1) line change to the fibcalls(n) line?

harsh acorn May 31, 2021, 1:38 PM

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Are there easy way to solve this question without hard force?

stark rampart May 31, 2021, 1:40 PM

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this is a contest problem right?

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i remember this is hkimo

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is that right?

oak chasm May 31, 2021, 2:05 PM

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@alpine sable What does r stand for?

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OK, what's n?

harsh acorn May 31, 2021, 2:06 PM

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stark rampart is that right?

yea

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My country will be in first time

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anyway

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do you know how to solve this easily?

oak chasm May 31, 2021, 2:06 PM

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@alpine sable It's the number of parts you're dividing the year into.

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How many parts are you dividing the year into if it's quarterly?

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No.

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That's how big a part is.

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How many parts?

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Right.

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So, n is 4.

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What's t?

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No.

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What does t stand for?

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No.

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Right.

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Do we know how many years?

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Right.

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What's P?

safe robin May 31, 2021, 2:09 PM

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what are the points of discontinuity for this

clever locust May 31, 2021, 2:09 PM

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Ask somewhere else, this channel is busy

oak chasm May 31, 2021, 2:10 PM

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@alpine sable Right, what's A?

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Nope.

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Close.

left gate May 31, 2021, 2:12 PM

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oak chasm May 31, 2021, 2:12 PM

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A is the total amount you have after t years.

left gate May 31, 2021, 2:12 PM

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How do I draw the graph

oak chasm May 31, 2021, 2:12 PM

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@left gate Sorry, channel is busy.

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No.

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What's the total amount you expect to have at the end?

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What?

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Do you understand how bank accounts work?

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Do you know what principle and interest are?

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Principle is the amount you first put in a bank account.

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Interest is the extra money the bank gives you.

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Principle plus interest is the amount you have after a certain amount of time.

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Yes, A is the amount you have after a certain time.

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It's the principle plus the interest.

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Right.

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So, what's your formula with the variables you know filled in?

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Right.

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So, how do you solve for t?

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No, I don't mean to ask a computer to do it for you, because that won't teach you how to do it.

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I mean to use algebra to do it.

ocean sealBOT May 31, 2021, 2:19 PM

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Chai T. Rex

oak chasm May 31, 2021, 2:20 PM

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What can you do to get rid of part of the right side so that we're closer to t by itself?

frigid hatch May 31, 2021, 2:20 PM

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bro?

twin condor May 31, 2021, 2:22 PM

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Divide by 400 so its a bit simpler

small holly May 31, 2021, 2:24 PM

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you divided P by itself (400/400) so it cancels it out

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and what you do on one side you do to the other

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so it becomes 2300/400 = (1+0.07/4)^4t

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ok then

twin condor May 31, 2021, 2:27 PM

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U can even make simpler by cancling the 00 so its 23/4 = the rest

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Why? Xd

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We are simplifying it we didnt find the answer yet tho

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Lemme cheack ma methoed since am not 100% sure

clever locust May 31, 2021, 2:30 PM

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Take the logarithm of both sides to move down the exponent

harsh acorn May 31, 2021, 2:31 PM

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clever locust Take the logarithm of both sides to move down the exponent

I think he/she does not know logarithm

oak chasm May 31, 2021, 2:31 PM

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@unborn leaf Sorry, we don't help with exams.

harsh acorn May 31, 2021, 2:31 PM

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@unborn leaf it is occupied

oak chasm May 31, 2021, 2:31 PM

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<@&268886789983436800> exam @unborn leaf

sly mantle May 31, 2021, 2:32 PM

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ty

fading citrus May 31, 2021, 2:32 PM

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👍

harsh acorn May 31, 2021, 2:32 PM

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what a speed lol

sly mantle May 31, 2021, 2:32 PM

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@alpine sable knock it off

clever locust May 31, 2021, 2:33 PM

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harsh acorn I think he/she does not know logarithm

There isn't really another way to solve for t though

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It's either use the logarithm or let the computer do it for you

harsh acorn May 31, 2021, 2:36 PM

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btw, @alpine sable are u done with your question?

tame shell May 31, 2021, 2:37 PM

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they are done with their question stare

harsh acorn May 31, 2021, 2:37 PM

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Can i solve this question without hard force?

oak chasm May 31, 2021, 2:38 PM

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What does the range mean?

harsh acorn May 31, 2021, 2:39 PM

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maximum value- minimum value

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which equals to 70

clever locust May 31, 2021, 2:41 PM

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How far from the mean it can be?

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Or no

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Nevermind

harsh acorn May 31, 2021, 2:41 PM

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you mean median?

clever locust May 31, 2021, 2:41 PM

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Read that wrong

oak chasm May 31, 2021, 2:43 PM

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@harsh acorn Well, I solved it, I think.

harsh acorn May 31, 2021, 2:45 PM

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Can you explain me how did you solve?

oak chasm May 31, 2021, 2:45 PM

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Well, the lowest number is 70 less than the highest number.

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So, you want the lowest number to be somewhat high.

knotty sleet May 31, 2021, 2:46 PM

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Did you get 138

oak chasm May 31, 2021, 2:46 PM

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No, I got lower.

knotty sleet May 31, 2021, 2:46 PM

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Oh

oak chasm May 31, 2021, 2:47 PM

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Oh, now I've got 141.

knotty sleet May 31, 2021, 2:47 PM

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Does nine 68s, fifty 69s, sixty 70s and 138 work

oak chasm May 31, 2021, 2:48 PM

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Oh, I can't be right on the 141.

knotty sleet May 31, 2021, 2:48 PM

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😅

harsh acorn May 31, 2021, 2:49 PM

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knotty sleet Does nine 68s, fifty 69s, sixty 70s and 138 work

it does work but idk it is the maximum value

knotty sleet May 31, 2021, 2:49 PM

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Max is 140

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And if the minimum of your set is 69 you can only get to 129

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Or 127 or something

harsh acorn May 31, 2021, 2:50 PM

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knotty sleet Max is 140

how did you get this

oak chasm May 31, 2021, 2:50 PM

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Right, that's what I got to.

knotty sleet May 31, 2021, 2:50 PM

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So then try setting minimum to 68

harsh acorn May 31, 2021, 2:50 PM

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okay, can someone explain me properly please ;p

knotty sleet May 31, 2021, 2:50 PM

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Okay right sry

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So you know 70 needs to be attained

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Cause it's the mode

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If 70 is attained and the range is 70 then the maximum element can't be greater than 140

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But if your smallest element is 70 then the restrictions force everything to just be 70

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So then try smallest is 69, and you want the numbers to be as small as possible so that the max can 'balance' it out by being large

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Listed in order it has to be 59 numbers, then two 70s, then 59 more

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So if smallest is 69, and you want the sum excluding the max to be the smallest possible, you'd have fifty-nine of 69s, and sixty of 70s

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Then the mean =70 condition gives the max element can only be as large as 129

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So now we know that 139 is impossible because it requires the minimum to be 69, which we showed can't work

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Then we try minimum is 68 and hopefully we can construct 138

harsh acorn May 31, 2021, 2:57 PM

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Okay, I didin't understand the part that 140 is the maximum possible value

knotty sleet May 31, 2021, 2:57 PM

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which we can

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Would you agree that 70 needs to be in the 120 numbers

harsh acorn May 31, 2021, 2:58 PM

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yes

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it is occupied

knotty sleet May 31, 2021, 2:59 PM

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So in the extreme case, 70 is the smallest

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Then the range is 70, so 70+70=140

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...I haven't done something completely stupid have I

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hopefully not...?

knotty sleet May 31, 2021, 3:02 PM

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harsh acorn Okay, I didin't understand the part that 140 is the maximum possible value

Well 140 is not possible, I meant it as in an upper bound (which we then showed to be unobtainable)

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Does this make sense??

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@harsh acorn Are you still there

harsh acorn May 31, 2021, 3:14 PM

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still thinking to understand

knotty sleet May 31, 2021, 3:14 PM

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Oh cool 🙂

harsh acorn May 31, 2021, 3:18 PM

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@knotty sleet Can u explain again that why it is not possible to be 69-139

oak chasm May 31, 2021, 3:20 PM

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Solve for x.

ocean sealBOT May 31, 2021, 3:20 PM

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Chai T. Rex

harsh acorn May 31, 2021, 3:20 PM

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Oooh that's right

knotty sleet May 31, 2021, 3:20 PM

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Thanks @oak chasm 😄

oak chasm May 31, 2021, 3:20 PM

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No problem.

ocean sealBOT May 31, 2021, 3:23 PM

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Chai T. Rex

knotty sleet May 31, 2021, 3:23 PM

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For 68, you can say, let there be n of 68, and (59-n) of 69, and sixty of 70s, add 138 and set the sum of all that to 70*120 and solve for n which gets 9

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Exactly^^

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How did you change the background colour?

oak chasm May 31, 2021, 3:23 PM

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,texconfig colour

ocean sealBOT May 31, 2021, 3:23 PM

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Configuration options for `colour`

Your LaTeX colourscheme.
Current value: Using the light colourscheme
Default value: Using the grey colourscheme
Accepted input: One of the colourschemes listed below.

Colourschemes

white: Pure white background, with black text.
light: Very light grey bckground, with black text.
grey: Discord-grey background, with white text. (Recommended)
darkgrey: Dark grey background, with white text.
dark: Dark background, with white text.
black: Pure black background, with white text.
transparent: Transparent background, with white text. (May cause issues)
trans_black: Transparent background, with black text. (May cause issues)

knotty sleet May 31, 2021, 3:23 PM

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I've always wondered

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Oh wow

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Wait so what's the command to change it?

oak chasm May 31, 2021, 3:25 PM

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,texconfig colour light

ocean sealBOT May 31, 2021, 3:25 PM

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You have switched to the light colourscheme.

knotty sleet May 31, 2021, 3:25 PM

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Ah that's cool

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Thank you! 🙂

oak chasm May 31, 2021, 3:25 PM

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No problem.

harsh acorn May 31, 2021, 3:26 PM

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"Given that the mean, median, range of 80 integers are also 45. If A is the largest integer among those 80 integers, what is the maximum value of A?"
so the maximum value is 90
90 cant be it bcs 45,45 (79times), 90's mean is not 45 obv.
89 cant be it bcs 44, (39 times),45 (40 times),79's mean is not 45

knotty sleet May 31, 2021, 3:26 PM

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,texconfig colour darkgrey

ocean sealBOT May 31, 2021, 3:26 PM

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You have switched to the darkgrey colourscheme.

oak chasm May 31, 2021, 3:27 PM

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@knotty sleet You can test out all the combos in #latex-testing. See what they look like.

harsh acorn May 31, 2021, 3:27 PM

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now, when i check 88, will be numbers like 43,44 (38 times), 45 (40 times) and 88 or 43, 45 (78 times), 88?

knotty sleet May 31, 2021, 3:27 PM

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oak chasm <@!321696814787067905> You can test out all the combos in <#844681108473118750>....

Ohh nice

oak chasm May 31, 2021, 3:29 PM

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@harsh acorn Remember, there's no mode here.

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You don't need 40 instances of 45.

harsh acorn May 31, 2021, 3:30 PM

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oh

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i tought it was same as last question

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How would numbers be in A=88?

oak chasm May 31, 2021, 3:32 PM

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,w solve (a 44 + (79 - a) 45 + 1 89)/80 = 45 for a

ocean sealBOT May 31, 2021, 3:32 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 3:33 PM

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So, that's not going to work.

harsh acorn May 31, 2021, 3:33 PM

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oak chasm ,w solve (a 44 + (79 - a) 45 + 1 89)/80 = 45 for a

uhm what these things mean :d

oak chasm May 31, 2021, 3:33 PM

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Well, it misinterpreted.

harsh acorn May 31, 2021, 3:34 PM

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and can I determine it is wrong without big calculations?

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I mean, another way

oak chasm May 31, 2021, 3:36 PM

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,w ((a*44) + ((79 - a)45) + (189))/80 = 45

ocean sealBOT May 31, 2021, 3:36 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 3:36 PM

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There's the solution.

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But it doesn't work.

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It needs 44 instances of 44, which means the median will be 44, not 45.

harsh acorn May 31, 2021, 3:38 PM

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so answer is 88

oak chasm May 31, 2021, 3:40 PM

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,w ((a43) + (b44) + ((79 - a - b)45) + (189))/80 = 45 && a + b < 40

ocean sealBOT May 31, 2021, 3:40 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 3:42 PM

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,calc (5 * 43 + 34 * 44 + 40 * 45 + 1 * 88)/80

ocean sealBOT May 31, 2021, 3:42 PM

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Result:

44.9875

oak chasm May 31, 2021, 3:43 PM

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Oh.

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,w ((a43) + (b44) + ((79 - a - b)45) + (188))/80 = 45 && a + b < 40

ocean sealBOT May 31, 2021, 3:43 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 3:44 PM

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There.

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,w (443 + 3544 + 4045 + 188)/80

ocean sealBOT May 31, 2021, 3:45 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 3:45 PM

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@harsh acorn There, that's a solution.

harsh acorn May 31, 2021, 3:50 PM

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Given that the mean, median, range, and the only mode of 300 integers are also 168. If A is the biggest integer among those 300 integers,what is the maximum value of A?

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i get 166

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I want to check that I understand the concept

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@oak chasm

oak chasm May 31, 2021, 3:58 PM

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If the median is 168, there must already be integers higher than 166.

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For example, 168 is one of the integers which is higher than 166.

harsh acorn May 31, 2021, 4:00 PM

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Oh my bad

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i wanted to say 334

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not 166

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166 is the smallest value

oak chasm May 31, 2021, 4:02 PM

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Well, let's try to get 335.

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,w (a*167 + (299 - a)168 + 1335)/300 = 168

ocean sealBOT May 31, 2021, 4:03 PM

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Results provided by WolframAlpha

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harsh acorn May 31, 2021, 4:03 PM

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so it is not 335

oak chasm May 31, 2021, 4:03 PM

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Looks like it is. Let's see.

harsh acorn May 31, 2021, 4:04 PM

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,w (a166 + (299 - a)169 + 1*334)/300 = 168

ocean sealBOT May 31, 2021, 4:04 PM

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Results provided by WolframAlpha

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harsh acorn May 31, 2021, 4:04 PM

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uhm did i do wrong thing?

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or is it false too

oak chasm May 31, 2021, 4:04 PM

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,calc 299 - 167

ocean sealBOT May 31, 2021, 4:04 PM

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Result:

oak chasm May 31, 2021, 4:04 PM

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OK, so it can't be 335.

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Let's try 334.

harsh acorn May 31, 2021, 4:05 PM

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what does 299 represent there?

oak chasm May 31, 2021, 4:06 PM

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,w (a166 + b167 + (299 - a - b)168 + 1334)/300 = 168 && a + b < 150

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299 is count of the numbers that aren't the max.

harsh acorn May 31, 2021, 4:08 PM

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so what does it mean

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I didn't understand it

ocean sealBOT May 31, 2021, 4:09 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 4:09 PM

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There.

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,w (17166 + 132167 + 150168 + 1334)/300

harsh acorn May 31, 2021, 4:10 PM

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nono i mean what does it mean now? is 334 right? I didin't get anything from bot's answer

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s answer

ocean sealBOT May 31, 2021, 4:10 PM

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Results provided by WolframAlpha

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oak chasm May 31, 2021, 4:10 PM

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So, there's a solution.

harsh acorn May 31, 2021, 4:11 PM

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Oh good I think i get the concept

woeful ridge May 31, 2021, 4:20 PM

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Hello for this question

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I answered d. But the correct answer is B. How can you solve that?

gray isle May 31, 2021, 4:21 PM

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consider the locations of the peak and trough

clever locust May 31, 2021, 4:23 PM

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Notice that the distance between the peak and the trough will be half a period

woeful ridge May 31, 2021, 4:26 PM

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Ah okay ty

worldly void May 31, 2021, 4:30 PM

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ocean seal

but does it give like the solution too?

rich fractal May 31, 2021, 4:30 PM

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Hi, sorry if this is a dumb question (I think it is) but I've just started learning maths and my instructor has just said this:

"every fraction has three signs associated with it.

One out in front one in the numerator and one in the denominator.

And you can change any two signs of the fraction without changing the value of the fraction and sometimes

that can be useful"

So can I literally change any 2 of 3 signs? Could I change one of denominator, one of numerator ? or one of the front and one of denominator? or one of front one and one of numerator ?

oak chasm May 31, 2021, 4:31 PM

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ocean seal

@worldly void A range of solutions ^

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@rich fractal Yes.

gray isle May 31, 2021, 4:32 PM

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instead of blindly changing signs, you should understand the reasoning behind it.

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i.e. multiplication by something equivalent to 1

worldly void May 31, 2021, 4:33 PM

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oak chasm <@!702983837071966220> A range of solutions ^

wdym

oak chasm May 31, 2021, 4:33 PM

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Look at the input and the response.

rich fractal May 31, 2021, 4:34 PM

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oak chasm <@!535793637779439627> Yes.

Well the vid I'm watching it needs to find a common denominator so instructor changed

x + 3 to
(-x + 3)

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@gray isle

worldly void May 31, 2021, 4:34 PM

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oh

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kk

rich fractal May 31, 2021, 4:34 PM

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rich fractal Well the vid I'm watching it needs to find a common denominator so instructor ch...

There's only two signs tho, one in front, idk where do we have denominator and numerator in this

gray isle May 31, 2021, 4:34 PM

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$\frac ab \times \frac{-1}{-1} = \frac{-a}{-b}$

ocean sealBOT May 31, 2021, 4:34 PM

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ℝamonov

gray isle May 31, 2021, 4:35 PM

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$-\frac ab = \frac{-a}{b} = \frac{a}{-b}$

ocean sealBOT May 31, 2021, 4:35 PM

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ℝamonov

muted nymph May 31, 2021, 4:57 PM

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question is this correct

alpine sable May 31, 2021, 5:05 PM

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guys quick question

muted nymph May 31, 2021, 5:06 PM

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wait i asked first

alpine sable May 31, 2021, 5:06 PM

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in double integrals, is the outer integral written with respect to the first d or the second d

glass lichen May 31, 2021, 5:07 PM

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alpine sable in double integrals, is the outer integral written with respect to the first d o...

outer integral and outer differential

alpine sable May 31, 2021, 5:07 PM

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ok ty

muted nymph May 31, 2021, 5:07 PM

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muted nymph

...

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anybody able to confirm for me

versed osprey May 31, 2021, 5:07 PM

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what is the mid point between 15.8 and 21.8 on a measuring scale

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im getting confused

small holly May 31, 2021, 5:07 PM

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muted nymph

wrong

muted nymph May 31, 2021, 5:08 PM

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small holly wrong

ok so how is it incorrect

alpine sable May 31, 2021, 5:08 PM

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glass lichen outer integral and outer differential

so is this incorrect?

small holly May 31, 2021, 5:08 PM

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go to #help-1 @muted nymph

glass lichen May 31, 2021, 5:08 PM

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I don't officially know, I believe it's outer and outer.. but I could be wrong

muted nymph May 31, 2021, 5:08 PM

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ok

glass lichen May 31, 2021, 5:09 PM

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alpine sable so is this incorrect?

try asking in #multivariable-calculus

alpine sable May 31, 2021, 5:09 PM

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aight ty

versed osprey May 31, 2021, 5:09 PM

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versed osprey what is the mid point between 15.8 and 21.8 on a measuring scale

please its due today

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its a 20 mark project

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wait

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i got an idea

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bruh

glass lichen May 31, 2021, 5:09 PM

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just find the average. ..

versed osprey May 31, 2021, 5:09 PM

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yeah

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bruh

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wtf

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lemme go reset my brain

zealous garnet May 31, 2021, 5:10 PM

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alpine sable so is this incorrect?

yes, it is outer and outer

versed osprey May 31, 2021, 5:10 PM

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so 18.8?

alpine sable May 31, 2021, 5:11 PM

#

zealous garnet yes, it is outer and outer

should i swap them then?

cloud kiln May 31, 2021, 5:12 PM

#

How is sin AOP’ = M’P’/OP

#

angle POP’ is a right angle

#

M’ and M are right angles too

fervent holly May 31, 2021, 5:19 PM

#

What is this asking for exactly? https://cdn.discordapp.com/attachments/814880398739636284/848973915518140466/unknown.png

zealous garnet May 31, 2021, 5:20 PM

#

alpine sable should i swap them then?

are you saying the emf formula itself is incorrect or you highlighted the integral and differentials incorrectly?

cloud kiln May 31, 2021, 5:20 PM

#

#

How is sin AOP’ = M’P’/OP

#

<@&286206848099549185>

alpine sable May 31, 2021, 5:21 PM

#

zealous garnet are you saying the emf formula itself is incorrect or you highlighted the integr...

nothing wrong with the emf formula, idk if in this case its a typo cuz u just said outer integrals go with outer diff

stable pecan May 31, 2021, 5:22 PM

#

cloud kiln

Use the formula sin(pi/2+theta)=cos(theta)

cloud kiln May 31, 2021, 5:22 PM

#

stable pecan Use the formula sin(pi/2+theta)=cos(theta)

U need to prove it using that figute

vague coral May 31, 2021, 5:23 PM

#

projection

stable pecan May 31, 2021, 5:23 PM

#

angle AOP' = angle POP' + angle AOP

cloud kiln May 31, 2021, 5:23 PM

#

Yes

#

POP’ is right angle

stable pecan May 31, 2021, 5:24 PM

#

yup

#

so sin(AOP')= sin(angle POP' + angle AOP)

cloud kiln May 31, 2021, 5:24 PM

#

Yeah what is sin(AOP’)

#

My book says M’P’/OP but why

cloud kiln May 31, 2021, 5:25 PM

#

stable pecan so sin(AOP')= sin(angle POP' + angle AOP)

Yes

#

Do not use sum formula

#

Not established yet

stable pecan May 31, 2021, 5:25 PM

#

stable pecan Use the formula sin(pi/2+theta)=cos(theta)

You can't use this?

vague coral May 31, 2021, 5:26 PM

#

stable pecan You can't use this?

its doable without trig

cloud kiln May 31, 2021, 5:26 PM

#

You’re proving that thing..

#

How can u use it..

vague coral May 31, 2021, 5:26 PM

#

He should try it by doing some projection or something

stable pecan May 31, 2021, 5:27 PM

#

cloud kiln You’re proving that thing..

From what I understand, they are trying to prove that sin(AOP')=M'P'/OP, not sin(pi/2+theta)=cos(theta)

cloud kiln May 31, 2021, 5:28 PM

#

stable pecan From what I understand, they are trying to prove that sin(AOP')=M'P'/OP, not sin...

No

#

They have given that in the proof that sin(AOP’) = M’P’/OP

fervent holly May 31, 2021, 5:29 PM

#

can anyone help with this?

#

i got 6,11

stable pecan May 31, 2021, 5:29 PM

#

fervent holly can anyone help with this?

Channel is busy

vague coral May 31, 2021, 5:29 PM

#

the triangle OMP rotates by 90 degree to get P'M'O

cloud kiln May 31, 2021, 5:29 PM

#

Let me send pic of the expanation

#

vague coral May 31, 2021, 5:33 PM

#

sin POA = MP/OP
sin (POA+ 90) = -cos(OP'M') = -OM'/OP'

#

OP' = OP

#

🤔

cloud kiln May 31, 2021, 5:34 PM

#

vague coral OP' = OP

Yes

vague coral May 31, 2021, 5:35 PM

#

-OM' = MP

cloud kiln May 31, 2021, 5:35 PM

#

yes

vague coral May 31, 2021, 5:35 PM

#

sin (AOP + 90) = MP/OP

cloud kiln May 31, 2021, 5:36 PM

#

No

#

M’P’/OP

vague coral May 31, 2021, 5:37 PM

#

I'll try again

#

wait

cloud kiln May 31, 2021, 5:42 PM

#

Battery low i’ll have to figure this out on my own

wet fulcrum May 31, 2021, 6:03 PM

#

i think you should blur out your name first

fathom rain May 31, 2021, 6:10 PM

#

850/3 + 11/3y = 375

#

i know i gotta multiply both sides by 3

#

but do i do it twice or just once?

glass lichen May 31, 2021, 6:11 PM

#

why do it twice?

fathom rain May 31, 2021, 6:11 PM

#

well first for 850/3 then 11/3 right?

glass lichen May 31, 2021, 6:11 PM

#

what?

#

no

#

multiply both sides by 3, done

fathom rain May 31, 2021, 6:12 PM

#

but doesnt that only get one division out of the way but there's two of them

glass lichen May 31, 2021, 6:12 PM

#

distributive property

#

$3(a+b)=3(c) \implies 3a+3b=3c$

ocean sealBOT May 31, 2021, 6:12 PM

#

Mosh

wary stream May 31, 2021, 6:13 PM

#

fathom rain but doesnt that only get one division out of the way but there's two of them

The key word mosh said is "sides", not each fractions

fathom rain May 31, 2021, 6:14 PM

#

so like if its 700/3 + 400/3 + 293/3 + 544/3 = 500 do i just multiply both sides by 3 once?

ionic jewel May 31, 2021, 6:32 PM

#

yes

#

thats the same as $700+400+293+544 = 500(3)$

ocean sealBOT May 31, 2021, 6:32 PM

#

bunny

hearty gazelle May 31, 2021, 6:43 PM

#

#

How to prove that it is an ideal T?

alpine sable May 31, 2021, 7:16 PM

#

hello, can you help me to find the remainder of 207! when divided by 209 ?

sinful monolith May 31, 2021, 7:44 PM

#

#

do i divide by 1000?

clever locust May 31, 2021, 8:03 PM

#

To get from cm^3 to liters? Yes

pseudo summit May 31, 2021, 8:14 PM

#

400020

#

can this number exist?

#

in binary system

clever locust May 31, 2021, 8:18 PM

#

pseudo summit 400020

Isn't this already written in the decimal system?

median creek May 31, 2021, 8:22 PM

#

https://artofproblemsolving.com/community/c6h342997p1834518 can someone explain the end result?

pseudo summit May 31, 2021, 8:23 PM

#

clever locust Isn't this already written in the decimal system?

yes

clever locust May 31, 2021, 8:24 PM

#

pseudo summit yes

So what are you asking?

pseudo summit May 31, 2021, 8:24 PM

#

clever locust So what are you asking?

because i got quite confused for a sec

#

lol

#

i think i complicated it too much

#

my logic was wrong

pseudo summit May 31, 2021, 8:26 PM

#

clever locust So what are you asking?

btw i wrote decimal instead of binary sorry

wary stream May 31, 2021, 8:29 PM

#

pseudo summit 400020

Are you asking if this number can be converted to binary or is this number a valid binary number?

nocturne carbon May 31, 2021, 8:30 PM

#

Can someone help me please

wary stream May 31, 2021, 8:30 PM

#

nocturne carbon Can someone help me please

Which question?

nocturne carbon May 31, 2021, 8:31 PM

#

1

#

I don’t understand how to find 2 angles with 1

wary stream May 31, 2021, 8:31 PM

#

It says to measure each angle

#

Not just one

nocturne carbon May 31, 2021, 8:32 PM

#

How without dot paper my teacher aid

#

Said

wary stream May 31, 2021, 8:32 PM

#

Use a protractor

clever locust May 31, 2021, 8:33 PM

#

pseudo summit btw i wrote decimal instead of binary sorry

It's not clear what you mean by your question

nocturne carbon May 31, 2021, 8:35 PM

#

wary stream Use a protractor

How do I find the sum measures

wary stream May 31, 2021, 8:38 PM

#

nocturne carbon How do I find the sum measures

Add up all the angles to get a sum

alpine sable May 31, 2021, 8:59 PM

#

i think this channel is free

#

so imma take it

#

f(t)=3⋅(0.95)^t, 0<t

#

how can i find the derivative of this

#

i already treid

#

saying that the outer function is: 3x^t

#

and the inner: 0.95

#

but then when i use this (f(g(x)))’=f’(g(x))⋅g’(x)

#

g’(x) becomes 0

#

cause constants are 0

#

and the whole thing becomes 0

#

cause its multiplied

#

im doing something wrong

wary stream May 31, 2021, 9:00 PM

#

alpine sable and the inner: 0.95

That's not a valid function to use

#

No need for chain rule

nocturne carbon May 31, 2021, 9:00 PM

#

wary stream Add up all the angles to get a sum

How do o find the angles

alpine sable May 31, 2021, 9:00 PM

#

oh ok

nocturne carbon May 31, 2021, 9:00 PM

#

In the 2nd question

alpine sable May 31, 2021, 9:00 PM

#

oh shoot

alpine sable May 31, 2021, 9:01 PM

#

wary stream That's not a valid function to use

oh wait because there aint no variable its not valid. so i dont even need to use chain rule. but then how do i differentiate it. i really cant figure it out

wary stream May 31, 2021, 9:02 PM

#

alpine sable oh wait because there aint no variable its not valid. so i dont even need to use...

Apply quotient rule

#

Rewrite the decimal as a fraction

gray isle May 31, 2021, 9:02 PM

#

consider expressing 0.95 as e^ln(0.95)

alpine sable May 31, 2021, 9:02 PM

#

alright ty guys

#

ill try and see if i figure it out

marsh summit May 31, 2021, 9:04 PM

#

can someone help me figure out how to solve this?

gray isle May 31, 2021, 9:04 PM

#

nocturne carbon How do o find the angles

use a protractor

wary stream May 31, 2021, 9:06 PM

#

nocturne carbon How do o find the angles

It's an isosceles triangle

alpine sable May 31, 2021, 9:06 PM

#

wary stream Apply quotient rule

but cant i only use this there is division involved? i’ve never used the quotient rule, so its quite new to me

wary stream May 31, 2021, 9:08 PM

#

alpine sable but cant i only use this there is division involved? i’ve never used the quotien...

Make 0.95 as a fraction and apply the the exponent rule, where $$(\frac{a}{b}) ^x = \frac{a^x}{b^x}$$

alpine sable May 31, 2021, 9:08 PM

#

oh wow

#

t

ocean sealBOT May 31, 2021, 9:08 PM

#

dldh06

alpine sable May 31, 2021, 9:08 PM

#

y

#

ty

gaunt coyote May 31, 2021, 9:09 PM

#

iam not even clicking anymore

#

lol

nocturne carbon May 31, 2021, 9:09 PM

#

wary stream It's an isosceles triangle

I’m done the 1st one, I needed help with the 2nd one

#

gray isle May 31, 2021, 9:10 PM

#

it's an isosceles triangle

clever locust May 31, 2021, 9:10 PM

#

I think this channel is busy, so ask in another one

#

@gaunt coyote

nocturne carbon May 31, 2021, 9:10 PM

#

Okay I thought it was done since they said ty

gaunt coyote May 31, 2021, 9:10 PM

#

already did 🙂

clever locust May 31, 2021, 9:11 PM

#

Great :)

royal ruin May 31, 2021, 9:21 PM

#

How do I go about solving this

#

I know the right answer as I looked it up but I can’t figure out how to get said answer, and I have a test tomorrow so I need to figure out how to do it

alpine sable May 31, 2021, 9:25 PM

#

i dont know:&

gray isle May 31, 2021, 9:26 PM

#

BE is the altitude relative to DC

ebon mica May 31, 2021, 9:26 PM

#

If you know BE and BC, you can use Pythagorean theorem to find CE

gray isle May 31, 2021, 9:27 PM

#

area you able to apply distance formula to calculate the length of DC?

marsh summit May 31, 2021, 9:27 PM

#

can someone help me with this

royal ruin May 31, 2021, 9:27 PM

#

Yes

gray isle May 31, 2021, 9:27 PM

#

and then apply formula for the area of a parallelogram

royal ruin May 31, 2021, 9:28 PM

#

It got the length of AB is the square root of 16

#

I

ebon mica May 31, 2021, 9:28 PM

#

marsh summit can someone help me with this

Let m be the mean and put the statement into math symbols.
60 = m + 1 sigma
45 = m - 2 sigma
You now have 2 equations and 2 variables so you can solve.

wicked axle May 31, 2021, 9:29 PM

#

I managed to find the ground velocity

#

but not sure how to calculate the bearing

gray isle May 31, 2021, 9:29 PM

#

royal ruin It got the length of AB is the square root of 16

how are you getting that?

royal ruin May 31, 2021, 9:30 PM

#

Actually might be 14

ebon mica May 31, 2021, 9:30 PM

#

wicked axle I managed to find the ground velocity

What does your diagram look like?

gray isle May 31, 2021, 9:30 PM

#

how are you getting 14

wicked axle May 31, 2021, 9:30 PM

#

ebon mica What does your diagram look like?

#

where |r| is 462.54

#

hoping thats correct at least

ebon mica May 31, 2021, 9:31 PM

#

I don't think this diagram is right

wicked axle May 31, 2021, 9:32 PM

#

what about it is incorrect?

ebon mica May 31, 2021, 9:33 PM

#

You want to label the 210-degree angle and the 50-degree angle

#

It's hard to visualize where the 160-degree angle came from even though I know it's the difference between them

wicked axle May 31, 2021, 9:35 PM

#

oh ok

#

i used microsoft word

#

and so i did the minimal amount of labelling :/

ebon mica May 31, 2021, 9:35 PM

#

Try to use Paint or something

royal ruin May 31, 2021, 9:35 PM

#

gray isle how are you getting that?

Now I’m getting -12 lol

wicked axle May 31, 2021, 9:35 PM

#

ebon mica Try to use Paint or something

so after i label everything, how do I find the resultant angle?

#

would it be this angle?

gray isle May 31, 2021, 9:36 PM

#

that's a complete mess. that's not representative of the distance formula

#

also issues with how ur applying the sqrt

ebon mica May 31, 2021, 9:37 PM

#

wicked axle would it be this angle?

I don't think that's it. The 45 km/h bearing is blowing at 50 degrees, so I think it's blowing northeast.

wicked axle May 31, 2021, 9:37 PM

#

sry im confused

#

isnt that wind blowing FROM 50degrees?

#

so it would be going southwest

#

i think?

#

if im understanding the q properly

ebon mica May 31, 2021, 9:38 PM

#

You need to draw a point as your origin. I assume the question is saying the wind is blowing northeast even though I'm not entirely sure, but that's based on the past similar problems I've seen.

#

I mean I'm not sure based on the wording. But I've seen a bunch of problems like this before.

wicked axle May 31, 2021, 9:40 PM

#

here's an example from the online notes im using

ebon mica May 31, 2021, 9:41 PM

#

Yes, you have to draw it just like that. See how they have the coordinate plane with the origin in the middle? And all the vectors are coming out of the origin.

wicked axle May 31, 2021, 9:41 PM

#

oh ok

#

i figured the triangle formed by the two vectors was the only relevant information

#

and thought i could find the resultant angle based on that

#

since I was able to find the magnitude

#

ok so say we were using the above example, how would I find the resultant angle?

ebon mica May 31, 2021, 9:46 PM

#

Draw a vector from the origin at 210 degrees and magnitude 420. This is the airplane. Then draw another vector from the origin at 50 degrees and magnitude 45. Then draw the third vector with the tail at the wind and the head at the airplane. Determine the angle and magnitude of the third vector.

#

I don't think the 160-degree angle you got earlier is correct because the difference between vectors doesn't work like that. You can't just subtract one angle from the other to get the answer.

wicked axle May 31, 2021, 9:48 PM

#

so is it just coincidence that I got the magnitude correct?

#

this is my work for the magnitude

ebon mica May 31, 2021, 9:49 PM

#

I didn't check if your magnitude is correct

wicked axle May 31, 2021, 9:49 PM

#

cause i used the 160degrees in there

ebon mica May 31, 2021, 9:49 PM

#

Don't use the 160 degrees for that

#

I don't think that's right

#

You can use the distance formula to get the magnitude

#

You don't need law of cosines

wicked axle May 31, 2021, 9:51 PM

#

for the distance formula wouldnt you need to find the x/y components first

#

the question says to use geometric vectors as opposed to cartesian vectors

#

so i assumed they didnt want us to use the distance formula

#

cause that would involve cartesian vectors

ebon mica May 31, 2021, 9:53 PM

#

I think we should use the same vectors as the one in the example notes

wicked axle May 31, 2021, 9:56 PM

#

in the example they also used cosine law

charred girder May 31, 2021, 9:59 PM

#

Hey ! Can someone explain wilson theory to me ..Everytime i think i understand i find out that i have absolutely no idea how to solve the problem

ebon mica May 31, 2021, 9:59 PM

#

The airplane is going at 420 (-cos 30 i + sin 30 j), wind is blowing at 45 (cos 50 i + sin 50 j)

charred girder May 31, 2021, 9:59 PM

#

Sorry for interrupting

wicked axle May 31, 2021, 10:00 PM

#

it looks like in the example the blue angle is what they are using as the resultant angle

#

based on theta in this diagram

#

i just find this all really confusing

#

i suck at vectors

ebon mica May 31, 2021, 10:01 PM

#

Resultant vector should be (-420 cos 30 - 40 cos 50) i + (420 sin 30 + 45 sin 50) j

#

To find angle of resultant vector do tangent, to find magnitude do Pythagorean theorem

wicked axle May 31, 2021, 10:04 PM

#

yeah im pretty sure that is a way to do it

#

but im just trying to follow how the notes are doing it

#

and im getting quite lost

ebon mica May 31, 2021, 10:05 PM

#

I think the notes are doing it the same way I am doing it. There is really only one way to do it that I can think of.

wicked axle May 31, 2021, 10:06 PM

#

but in the notes they used cosine law to find magnitude

#

and then sine law to find the bearing

#

and im also not sure how that specific angle is representative of the bearing

ebon mica May 31, 2021, 10:08 PM

#

Oh, I see now. I see how they use law of cosines. But you could also find it without law of cosines.

wicked axle May 31, 2021, 10:08 PM

#

ebon mica Oh, I see now. I see how they use law of cosines. But you could also find it wit...

can you explain what you understand based on the notes?

#

i just want to do it the same way they are

#

in case i lose marks or something

ebon mica May 31, 2021, 10:09 PM

#

Yes, it looks like they have three angles and two vectors, and they want to find the resultant vector based on that.

wicked axle May 31, 2021, 10:12 PM

#

but how do we know theta here is the resultant angle

#

and not this for example

ebon mica May 31, 2021, 10:13 PM

#

It takes practice to figure out

wicked axle May 31, 2021, 10:13 PM

#

not sure what you mean :/

ebon mica May 31, 2021, 10:14 PM

#

If you do enough of those problems and make enough mistakes, eventually you will learn

wicked axle May 31, 2021, 10:14 PM

#

what?

#

so there's no logic here?

#

no intuition or anything?

#

that doesnt make much sense

ebon mica May 31, 2021, 10:16 PM

#

So my trick is try both scenarios and see which one makes sense

#

You know whether you want the bigger angle or the smaller angle

wicked axle May 31, 2021, 10:18 PM

#

that seems so odd to me

#

you would think there would be a definite way of knowing which the resultant angle would be

ebon mica May 31, 2021, 10:18 PM

#

There probably is but I'm not very good at it

#

So I just plug and chug

wicked axle May 31, 2021, 10:19 PM

#

yeah fair enough

#

thanks for the help

lime gorge May 31, 2021, 10:22 PM

#

Quick request , can someone help me with 12 hw geometry questions? It’s a lot, so we can take it to dms if possible

lime gorge May 31, 2021, 10:58 PM

#

<@&286206848099549185>

marsh summit May 31, 2021, 11:08 PM

#

ebon mica Let m be the mean and put the statement into math symbols. 60 = m + 1 sigma 45 =...

what is sigma

woeful pulsar May 31, 2021, 11:09 PM

#

marsh summit what is sigma

standard deviation

livid mesa May 31, 2021, 11:20 PM

#

hey guys how do I solve problems with this method? I dont understand the book's explanation

#

This is the original problem

rain lake May 31, 2021, 11:45 PM

#

dividing d dollars by a apples gives the price for 1 apple. This is then multiplied by 20, as the question asks, to find, in terms of an expression, that 20d/a is the amount of dollars for 20 apples. I'm assuming the word apples is stricken out to simplify the expression and to show that d/a = the price of an apple.

#

I apologise if that's not helpful. I'm new.

livid mesa May 31, 2021, 11:51 PM

#

It is really helpful and I do appreciate it, but I still don't understand the way the book did the problem, was hoping someone could elaborate on how that method works.

glass lichen May 31, 2021, 11:55 PM

#

$a\text{apples}=d\text{dollars}\implies \frac{a\text{apples}}{d\text{dollars}}=1$

ocean sealBOT May 31, 2021, 11:55 PM

#

Mosh

glass lichen May 31, 2021, 11:56 PM

#

so you get a conversion factor for units of apples and dollars

alpine sable Jun 1, 2021, 12:04 AM

#

a car costs 10,2000 and depricates in value by 5% per year. How much will the car be worth after 5 years?

#

does anyone know this?

#

my calculator is fucking up

woeful pulsar Jun 1, 2021, 12:05 AM

#

alpine sable a car costs 10,2000 and depricates in value by 5% per year. How much will the ca...

how much is it worth after 1 year?

alpine sable Jun 1, 2021, 12:05 AM

#

after 5

woeful pulsar Jun 1, 2021, 12:05 AM

#

yeah

alpine sable Jun 1, 2021, 12:05 AM

#

i have two different answers

woeful pulsar Jun 1, 2021, 12:05 AM

#

if you can do the 1 year, then repeating 4 more times you should get the answer

alpine sable Jun 1, 2021, 12:05 AM

#

is it 7892?

woeful pulsar Jun 1, 2021, 12:05 AM

#

that looks too small

#

does the car really cost 102000?

alpine sable Jun 1, 2021, 12:05 AM

#

thats what it came out to

#

10,200 lmfao

#

oops

#

added an extra 0 srry

woeful pulsar Jun 1, 2021, 12:06 AM

#

oh 10200, yeah, that looks about the right magnitude

last sinew Jun 1, 2021, 12:06 AM

#

Hi, is this channel soon to be unoccupied, or will it be in use for a while?

alpine sable Jun 1, 2021, 12:06 AM

#

alright thanks!

#

yeah im done

#

u can use it

last sinew Jun 1, 2021, 12:06 AM

#

Oh, thank you!

#

#

I'm having trouble with question 2b, the answer is in the second attachment, could somebody please explain the answer? Thank you :)

woeful pulsar Jun 1, 2021, 12:07 AM

#

last sinew I'm having trouble with question 2b, the answer is in the second attachment, cou...

here the difference of two normally distributed variables is normal

#

so far you got that?

last sinew Jun 1, 2021, 12:08 AM

#

Yes

#

That's what's being used in a) right?

woeful pulsar Jun 1, 2021, 12:08 AM

#

yeah

last sinew Jun 1, 2021, 12:08 AM

#

Okok yes i got that

woeful pulsar Jun 1, 2021, 12:09 AM

#

so for B we have to do a very similar thing

#

to come up with the distribution of times

last sinew Jun 1, 2021, 12:10 AM

#

Yes

woeful pulsar Jun 1, 2021, 12:11 AM

#

do you see how we can get the $P\left(z<\frac{-5+m}{6.403}\right)$?

ocean sealBOT Jun 1, 2021, 12:11 AM

#

Element118

last sinew Jun 1, 2021, 12:11 AM

#

Uhh

#

Sort of?

woeful pulsar Jun 1, 2021, 12:12 AM

#

or is that part somewhat unclear?

last sinew Jun 1, 2021, 12:12 AM

#

Like i sorta dont get why (5-m) is the new mean

#

That's the part that's stopping me

#

^^,

woeful pulsar Jun 1, 2021, 12:12 AM

#

so originally it's 30-25

#

but now the 30 guy is now going m minutes earlier

#

so it's (30-m)-25

toxic dust Jun 1, 2021, 12:13 AM

#

last sinew Jun 1, 2021, 12:13 AM

#

Ah

toxic dust Jun 1, 2021, 12:13 AM

#

For curve sketching what do I do after this

last sinew Jun 1, 2021, 12:13 AM

#

Thing is though, how does going early help make you faster? I thought they were asking for difference in walking times

woeful pulsar Jun 1, 2021, 12:13 AM

#

toxic dust For curve sketching what do I do after this

are you trying to sketch f or f'

last sinew Jun 1, 2021, 12:13 AM

#

Like you still take the same amount of time

woeful pulsar Jun 1, 2021, 12:13 AM

#

last sinew Thing is though, how does going early help make you faster? I thought they were ...

it's about what time they arrive

last sinew Jun 1, 2021, 12:13 AM

#

But you just go earlier xd

#

Ohh

woeful pulsar Jun 1, 2021, 12:14 AM

#

originally they leave at the same time

last sinew Jun 1, 2021, 12:14 AM

#

Ok

#

Im clear now i get it

#

Thank you so much

toxic dust Jun 1, 2021, 12:15 AM

#

woeful pulsar are you trying to sketch f or f'

Umm so basically I am sketching for the derivative

#

But I also have to find second derivative aswell

alpine sable Jun 1, 2021, 12:16 AM

#

I need help

woeful pulsar Jun 1, 2021, 12:16 AM

#

toxic dust Umm so basically I am sketching for the derivative

you might want to find the roots and plot where they are, as well as the vertical asymptote

#

and see the behaviour near that

alpine sable Jun 1, 2021, 12:17 AM

#

I need help on a answer

#

woeful pulsar Jun 1, 2021, 12:18 AM

#

toxic dust Umm so basically I am sketching for the derivative

afterwards if you are still confused about the general shape you can just plot random points until you are confident about the shape

woeful pulsar Jun 1, 2021, 12:19 AM

#

alpine sable

$4\divisionsymbol 16=4$?

ocean sealBOT Jun 1, 2021, 12:19 AM

#

Element118

alpine sable Jun 1, 2021, 12:19 AM

#

8

#

Number 8

woeful pulsar Jun 1, 2021, 12:20 AM

#

alpine sable Number 8

can 10 Bar-ba-loots eat off one tree?

#

do you understand the question?

alpine sable Jun 1, 2021, 12:20 AM

#

woeful pulsar do you understand the question?

Not really

alpine sable Jun 1, 2021, 12:21 AM

#

woeful pulsar can 10 Bar-ba-loots eat off one tree?

Yes

#

Because 10x3 is 30

woeful pulsar Jun 1, 2021, 12:21 AM

#

how about 20? 30? how do you check?

alpine sable Jun 1, 2021, 12:21 AM

#

Because it say 3 fruit a day

#

10 barbaloots

#

10x3

woeful pulsar Jun 1, 2021, 12:22 AM

#

yeah

alpine sable Jun 1, 2021, 12:22 AM

#

Which meant they can eat from that time for 2 days

woeful pulsar Jun 1, 2021, 12:22 AM

#

but we are looking for one day here

alpine sable Jun 1, 2021, 12:22 AM

#

Oh yeah

woeful pulsar Jun 1, 2021, 12:22 AM

#

because the next day it the same thing happens

alpine sable Jun 1, 2021, 12:23 AM

#

Yes

#

I UNDERSTAND

#

It I think

woeful pulsar Jun 1, 2021, 12:23 AM

#

nice

#

show your work?

alpine sable Jun 1, 2021, 12:23 AM

#

Yes

#

They want me to find how many barbaloots can eat off of 1 tree

#

??

#

Am I right?

woeful pulsar Jun 1, 2021, 12:24 AM

#

yeah

#

the maximum number that can

alpine sable Jun 1, 2021, 12:25 AM

#

29

#

20**

#

I meant 20

#

No

#

21**

#

Is the answer

woeful pulsar Jun 1, 2021, 12:26 AM

#

want to show how you got that?

alpine sable Jun 1, 2021, 12:26 AM

#

Sure

#

Like I said I said they want me to find out how many can eat off of 1 tree then I look back it say 3 fruits PER DAY and there 63 and each tree but we talking about 1 tree here so then I do 63/3 equal 21

#

I also did 3/21

#

3x21 I meant

#

Sorry

woeful pulsar Jun 1, 2021, 12:29 AM

#

yeah 63/3=21 yeah

alpine sable Jun 1, 2021, 12:29 AM

#

Yes

woeful pulsar Jun 1, 2021, 12:29 AM

#

and you can see $3\times21=63$

ocean sealBOT Jun 1, 2021, 12:29 AM

#

Element118

woeful pulsar Jun 1, 2021, 12:29 AM

#

yeah looks good

alpine sable Jun 1, 2021, 12:29 AM

#

Thank you so much

harsh quartz Jun 1, 2021, 12:32 AM

#

I need help answer

#

charred flint Jun 1, 2021, 12:39 AM

#

sin(theta) = opposite / hypotenuse

harsh quartz Jun 1, 2021, 12:40 AM

#

charred flint sin(theta) = opposite / hypotenuse

Wich triangle?

charred flint Jun 1, 2021, 12:40 AM

#

all of them

harsh quartz Jun 1, 2021, 12:41 AM

#

Oh that's all the answer?

charred flint Jun 1, 2021, 12:41 AM

#

yea

harsh quartz Jun 1, 2021, 12:41 AM

#

Oh tysm

charred flint Jun 1, 2021, 12:41 AM

#

oops fixed

#

thonkg

gray isle Jun 1, 2021, 12:41 AM

#

um

#

wtf are these triangles

#

there are major issues with the lengths

#

these aren't remotely close to right triangles

harsh quartz Jun 1, 2021, 12:42 AM

#

gray isle these aren't remotely close to right triangles

Cause my teacher having issue online and don't know how to use well

gray isle Jun 1, 2021, 12:43 AM

#

you should probably clarify the questions

#

those right angle markings look so dodgy too

#

have you started stuff like cosine law yet?

harsh quartz Jun 1, 2021, 12:44 AM

#

Cause our lesson is trigonometric ratios

gray isle Jun 1, 2021, 12:45 AM

#

ugh..
i guess your best option here would be to erase a random side length from each triangle

#

actually I'll choose which one to remove

#

that'll let you use a different ratio for each question

alpine sable Jun 1, 2021, 12:46 AM

#

gray isle Jun 1, 2021, 12:46 AM

#

#

have you been introduced to sohcahtoa yet?

harsh quartz Jun 1, 2021, 12:47 AM

#

gray isle have you been introduced to sohcahtoa yet?

Nope

gray isle Jun 1, 2021, 12:47 AM

#

consider googling that

#

for a quick intro to trig

harsh quartz Jun 1, 2021, 12:48 AM

#

Kk

woeful pulsar Jun 1, 2021, 12:52 AM

#

wait a minute

#

those aren't even right triangles

#

@harsh quartz @gray isle something's wrong with the diagram

gray isle Jun 1, 2021, 12:52 AM

#

yeh i pointed that out

woeful pulsar Jun 1, 2021, 12:53 AM

#

oh lol

gray isle Jun 1, 2021, 12:53 AM

#

hence that erasure to at least make the problem make some sense

tropic willow Jun 1, 2021, 1:00 AM

#

#

Could someone explain how to do this again?

#

I forgot all about it

#

We did this in like January

warm canopy Jun 1, 2021, 1:02 AM

#

Sure

#

They want the length of the highlighted section?

tropic willow Jun 1, 2021, 1:05 AM

#

Arc Length

warm canopy Jun 1, 2021, 1:06 AM

#

Its just circumference *angle/360

glass lichen Jun 1, 2021, 1:06 AM

#

not +4

warm canopy Jun 1, 2021, 1:07 AM

#

Tis -4

alpine sable Jun 1, 2021, 1:07 AM

#

Whats the answer

warm canopy Jun 1, 2021, 1:08 AM

#

alpine sable Whats the answer

9 obv

alpine sable Jun 1, 2021, 1:08 AM

#

the journey is just as important, maybe even more important than the "answer"

#

how did you figure it out

tropic willow Jun 1, 2021, 1:08 AM

#

warm canopy Its just circumference *angle/360

So 14 right?

alpine sable Jun 1, 2021, 1:09 AM

#

alpine sable how did you figure it out

$156= 10x$

ocean sealBOT Jun 1, 2021, 1:09 AM

#

ajuze

alpine sable Jun 1, 2021, 1:10 AM

#

Can I post another one

tropic willow Jun 1, 2021, 1:10 AM

#

Holy

#

No way I’m getting this

#

#

Finding circumference is

oak chasm Jun 1, 2021, 1:12 AM

#

@tropic willow OK, you have arc length, right?

tropic willow Jun 1, 2021, 1:13 AM

#

Of this one or the first one I sent

oak chasm Jun 1, 2021, 1:13 AM

#

This one.

#

You don't have arc length for the first one.

next linden Jun 1, 2021, 1:14 AM

#

🏳️‍🌈 HAPPY PRIDE MONTH🏳️‍🌈

oak chasm Jun 1, 2021, 1:15 AM

#

@tropic willow What's an arc?

alpine sable Jun 1, 2021, 1:15 AM

#

🏳️‍🌈 HAPPY PRIDE MONTH🏳️‍🌈

oak chasm Jun 1, 2021, 1:15 AM

#

@alpine sable Sorry, channel is busy.

tropic willow Jun 1, 2021, 1:17 AM

#

how do you math people do this..

alpine sable Jun 1, 2021, 1:17 AM

#

tropic willow how do you math people do this..

study. but not too much, there are things way more important than studying in life

tropic willow Jun 1, 2021, 1:18 AM

#

I don’t actually study but I do well

alpine sable Jun 1, 2021, 1:18 AM

#

thats very good

tropic willow Jun 1, 2021, 1:18 AM

#

Math not so much there’s some stuff I do amazing in math

alpine sable Jun 1, 2021, 1:18 AM

#

you will not be able to sustain this in grad school

tropic willow Jun 1, 2021, 1:18 AM

#

Anything to do with circumference I just suck at

oak chasm Jun 1, 2021, 1:19 AM

#

@tropic willow Do you know what an arc is?

tropic willow Jun 1, 2021, 1:20 AM

#

Yes and no

#

I know what it looks like but

#

Can I guess the answer and say it’s 60

oak chasm Jun 1, 2021, 1:20 AM

#

OK, so an arc is a part of the circumference, right?

tropic willow Jun 1, 2021, 1:21 AM

#

Should be

oak chasm Jun 1, 2021, 1:21 AM

#

OK, so you have an arc and its central angle, right?

tropic willow Jun 1, 2021, 1:22 AM

#

Yeah

oak chasm Jun 1, 2021, 1:22 AM

#

OK, so the arc length is the central angle's portion of the whole circle times 2 times the radius.

ocean sealBOT Jun 1, 2021, 1:23 AM

#

Chai T. Rex

tropic willow Jun 1, 2021, 1:23 AM

#

Ohhhhhhhh

oak chasm Jun 1, 2021, 1:23 AM

#

This is like the circumference formula.

ocean sealBOT Jun 1, 2021, 1:24 AM

#

Chai T. Rex

tropic willow Jun 1, 2021, 1:24 AM

#

Why am I so stupid

oak chasm Jun 1, 2021, 1:24 AM

#

The circumference is the arc length when the central angle is 360 degrees.

ocean sealBOT Jun 1, 2021, 1:24 AM

#

Chai T. Rex

#

Chai T. Rex

tropic willow Jun 1, 2021, 1:29 AM

#

Um

#

It’s not 60 is it

barren torrent Jun 1, 2021, 1:29 AM

#

https://cdn.discordapp.com/attachments/238956921581862913/849096919699816458/unknown.png

oak chasm Jun 1, 2021, 1:29 AM

#

@barren torrent Sorry, channel is busy.

#

@tropic willow Yes, that's right.

tropic willow Jun 1, 2021, 1:30 AM

#

Chai please don’t pixelate me

oak chasm Jun 1, 2021, 1:30 AM

#

,calc 360/132 * 22

ocean sealBOT Jun 1, 2021, 1:30 AM

#

Result:

tropic willow Jun 1, 2021, 1:30 AM

#

Maybe I’m not dumb

oak chasm Jun 1, 2021, 1:30 AM

#

This stuff isn't about being dumb, it's about how much you know.

tropic willow Jun 1, 2021, 1:31 AM

#

very little

#

But thank you so much

oak chasm Jun 1, 2021, 1:31 AM

#

You're welcome.

gray oasis Jun 1, 2021, 1:31 AM

#

can anyone answer a question about if a time series is stationary or not?

oak chasm Jun 1, 2021, 1:32 AM

#

@gray oasis Sorry, channel is busy.

#

@tropic willow Are you done with the channel?

tropic willow Jun 1, 2021, 1:32 AM

#

Well I have one more

oak chasm Jun 1, 2021, 1:32 AM

#

OK, go ahead.

tropic willow Jun 1, 2021, 1:33 AM

#

warped carbon Jun 1, 2021, 1:34 AM

#

Michael currently 45$ has in savings. He had been saving 9$ each week. Yesterday he spent 126$ of the savings. For how many weeks had he been saving? i need help what is the equasion

oak chasm Jun 1, 2021, 1:34 AM

#

@warped carbon Sorry, channel is busy.

warped carbon Jun 1, 2021, 1:34 AM

#

k

ocean sealBOT Jun 1, 2021, 1:34 AM

#

Chai T. Rex

oak chasm Jun 1, 2021, 1:34 AM

#

@tropic willow ^

#

It's how much of the total angle of the circle you have times the circumference.

tropic willow Jun 1, 2021, 1:38 AM

#

Is it

#

4.29..?

oak chasm Jun 1, 2021, 1:39 AM

#

It is.

tropic willow Jun 1, 2021, 1:39 AM

#

Tysm Chai T . Rex

#

Sorry I was so slow for answering questions

#

And thanks for your time

oak chasm Jun 1, 2021, 1:40 AM

#

You're welcome.

gray oasis Jun 1, 2021, 1:42 AM

#

@oak chasm chan free now?

oak chasm Jun 1, 2021, 1:42 AM

#

@tropic willow Are you done with the channel?

tropic willow Jun 1, 2021, 1:42 AM

#

Yup

oak chasm Jun 1, 2021, 1:43 AM

#

@gray oasis OK, go ahead.

gray oasis Jun 1, 2021, 1:43 AM

#

is this likely to be a stationary time series?

#

#

ACF and PACF of it below

#

v new to time series etc etc

calm kiln Jun 1, 2021, 1:54 AM

#

#

This correct?

alpine sable Jun 1, 2021, 1:54 AM

#

yes

#

is there a way to use dot product and find a vector perpendicular to two other given vectors?

#

ik i can use a system of equations, but i have the two vectors (0,3,4) and (2,0,0)

#

so some of the terms are 0, how can i find a perpendicular vector to these two

glass lichen Jun 1, 2021, 1:58 AM

#

alpine sable so some of the terms are 0, how can i find a perpendicular vector to these two

cross product

alpine sable Jun 1, 2021, 1:59 AM

#

ive only learned dot product so far

#

is there a way to do it with dot product?

glass lichen Jun 1, 2021, 1:59 AM

#

no

alpine sable Jun 1, 2021, 2:00 AM

#

oh

#

#

my teacher trolling :((

glass lichen Jun 1, 2021, 2:01 AM

#

oh you can do 2 equations 2 unknowns is my guess

alpine sable Jun 1, 2021, 2:02 AM

#

for dot product between w and u, i get 0=3y+4z

#

and w dot v, i get 0=2x

#

x has to be 0

#

idk abt the other two

wary stream Jun 1, 2021, 2:03 AM

#

alpine sable

If you're referring to number 10, if you know how to find the null space, that's how you do it

alpine sable Jun 1, 2021, 2:04 AM

#

how can i do that?

wary stream Jun 1, 2021, 2:05 AM

#

Do you know what null space is?

alpine sable Jun 1, 2021, 2:06 AM

#

no?

wary stream Jun 1, 2021, 2:06 AM

#

Is this linear algebra?

alpine sable Jun 1, 2021, 2:07 AM

#

this is vectors, im not sure if it's linear algebra

#

we jus started the unit

wary stream Jun 1, 2021, 2:08 AM

#

Do you know matrix reduction like RREF?

alpine sable Jun 1, 2021, 2:08 AM

#

no not yet

wary stream Jun 1, 2021, 2:10 AM

#

So the best option that I can tell you to is how solve it, divide the u vector by 3. This is to create a pivot row, set it equal to y

#

Or j

#

The free variable, meaning that it can any value, is going to be k/z

#

You already know x/i, so plug in any value for k/z to find a suitable j/y

#

And that vector is is w

alpine sable Jun 1, 2021, 2:17 AM

#

oh, but isnt x/i =0

wary stream Jun 1, 2021, 2:17 AM

#

alpine sable oh, but isnt x/i =0

Yes x = 0

alpine sable Jun 1, 2021, 2:18 AM

#

lemme try it

grave cradle Jun 1, 2021, 2:18 AM

#

I have an algebra eoc tmr what is the best review packet/paper that shows stuff that will be in it

#

since I rlly would appreciate if there is like a packet/paper reviewing the important parts during algebra 1

wary stream Jun 1, 2021, 2:20 AM

#

grave cradle I have an algebra eoc tmr what is the best review packet/paper that shows stuff ...

I'm guessing everything that you learned so far is fair game

grave cradle Jun 1, 2021, 2:21 AM

#

wary stream I'm guessing everything that you learned so far is fair game

yeah but it makes me rlly nervous to just not review a packet or something that will help me pass

alpine sable Jun 1, 2021, 2:22 AM

#

wary stream Yes x = 0

can u explain with the numbers, bcz im kinda confused

#

3/3=1, so 1/y?

#

4/3/z = 4/3y?

#

3z=4y? is this what u mean?

marsh summit Jun 1, 2021, 2:23 AM

#

can someone help me?

wary stream Jun 1, 2021, 2:26 AM

#

alpine sable 3z=4y? is this what u mean?

Yes but it should be 3y = 4z

noble smelt Jun 1, 2021, 2:27 AM

#

hey @wary stream could you help me in #help-1

alpine sable Jun 1, 2021, 2:28 AM

#

wary stream Yes but it should be 3y = 4z

$\frac{1}{y}=\frac{4}{3z}$

ocean sealBOT Jun 1, 2021, 2:28 AM

#

ffaizy

alpine sable Jun 1, 2021, 2:28 AM

#

is this not it?

wary stream Jun 1, 2021, 2:28 AM

#

You have it as the reciprocal, you don't need to do that

alpine sable Jun 1, 2021, 2:29 AM

#

$y=\frac{3z}{4}$

ocean sealBOT Jun 1, 2021, 2:29 AM

#

ffaizy

alpine sable Jun 1, 2021, 2:29 AM

#

4y=3z?

wary stream Jun 1, 2021, 2:30 AM

#

alpine sable 4y=3z?

Should be negative

#

Forgot the sign

#

It's originally u = 3y + 4z, set it equal to zero, solve for y

#

So 3y + 4z = 0

#

And so y = -4z/3

pine herald Jun 1, 2021, 2:32 AM

#

is getting a result with a sum of 7 from a 6 sided die an example of an event, a sample space or a statistical experiment

alpine sable Jun 1, 2021, 2:32 AM

#

oh so that's the ans?

#

y=-4z/3

wary stream Jun 1, 2021, 2:32 AM

#

Now plug in any value for z, so get y

pine herald Jun 1, 2021, 2:33 AM

#

oh srry

#

didnt know it was in use

wary stream Jun 1, 2021, 2:33 AM

#

alpine sable y=-4z/3

I suggest using z = 3

#

To prevent fractions

alpine sable Jun 1, 2021, 2:34 AM

#

oh i see

#

so we get (0,-4,3) right

#

as w

wary stream Jun 1, 2021, 2:36 AM

#

So in this case, x = 0, y = -4, and z = 3

wary stream Jun 1, 2021, 2:36 AM

#

alpine sable so we get (0,-4,3) right

That is correct

paper minnow Jun 1, 2021, 2:36 AM

#

Hey weird question here, but is there any work done for functional fixed points? (If that even makes any sense) That is, a function/set of functions which under some operation has that function as an output? Like how e^x gives itself under the derivative operation

wary stream Jun 1, 2021, 2:36 AM

#

And you can double check by doing the dot product of w and u and w and v

charred flint Jun 1, 2021, 2:36 AM

#

eigenfunctions

alpine sable Jun 1, 2021, 2:36 AM

#

but the ans has (0,4,-3)

paper minnow Jun 1, 2021, 2:37 AM

#

Oh lol, I completely forgot about eigenfunctions 🤦‍♂️

wary stream Jun 1, 2021, 2:37 AM

#

alpine sable but the ans has (0,4,-3)

It's still the same answer, just different signs. You could have said z = -3, to get y = 4

carmine bronze Jun 1, 2021, 2:38 AM

#

`Find the indicated roots. Express answers in trignometric form.

The square roots of 4(cos90+isin90)`

Help?

alpine sable Jun 1, 2021, 2:38 AM

#

oh i see, thanks a lot

wary stream Jun 1, 2021, 2:39 AM

#

alpine sable oh i see, thanks a lot

As long so you set up everything correctly, you can pick any z to get some y. You could have said z = 1 to get y = -4/3 and that's a valid answer too

charred flint Jun 1, 2021, 2:40 AM

#

@carmine bronze do you know how complex number multiplication adds the angles?

alpine sable Jun 1, 2021, 2:40 AM

#

wary stream As long so you set up everything correctly, you can pick any z to get some y. Yo...

yes i jus graphed and saw that there are many ans

#

i forgot there is more than 1 possibility

carmine bronze Jun 1, 2021, 2:40 AM

#

I'm learning de moivre's theorem rn

wary stream Jun 1, 2021, 2:40 AM

#

alpine sable yes i jus graphed and saw that there are many ans

To be exact, there's infinitely many answers

alpine sable Jun 1, 2021, 2:40 AM

#

ah yes

#

thanks

lime gorge Jun 1, 2021, 2:43 AM

#

#

Need some help here

woeful dirge Jun 1, 2021, 2:44 AM

#

lime gorge

use tangent on the triangle. set up an equation where tan55 is on one side and see where it takes you.

lime gorge Jun 1, 2021, 2:44 AM

#

Ty

lime gorge Jun 1, 2021, 2:47 AM

#

woeful dirge use tangent on the triangle. set up an equation where tan55 is on one side and s...

714.074003371?

#

Got it ! Ty

wary stream Jun 1, 2021, 2:47 AM

#

lime gorge 714.074003371?

Rounded to nearest tenth

lime gorge Jun 1, 2021, 2:47 AM

#

Rounded to 714.1

woeful dirge Jun 1, 2021, 2:47 AM

#

lime gorge Got it ! Ty

nice job!

lime gorge Jun 1, 2021, 2:48 AM

#

This one is sin?

wary stream Jun 1, 2021, 2:49 AM

#

lime gorge This one is sin?

Not sin

#

What sides are you given?

lime gorge Jun 1, 2021, 2:49 AM

#

A side and two angles

#

90 degrees and 37 degrees

wary stream Jun 1, 2021, 2:49 AM

#

What two sides of the right triangle

lime gorge Jun 1, 2021, 2:49 AM

#

The base and side

#

Not the hypotenuse

#

So it’s tangent again?

wary stream Jun 1, 2021, 2:50 AM

#

What's that base and side called in respect with the angle?

lime gorge Jun 1, 2021, 2:50 AM

#

Opposite and adjacent

#

No?

#

So tangent

wary stream Jun 1, 2021, 2:50 AM

#

lime gorge Opposite and adjacent

Yes that's correct

#

And yes it's tangent

lime gorge Jun 1, 2021, 2:53 AM

#

wary stream And yes it's tangent

So 4.5?

wary stream Jun 1, 2021, 2:53 AM

#

Nope

#

You wrote the ratio wrong

lime gorge Jun 1, 2021, 2:53 AM

#

I did tan 37 * 6

wary stream Jun 1, 2021, 2:53 AM

#

What is the ratio for tangent?

lime gorge Jun 1, 2021, 2:54 AM

#

Opposite over adjacent

wary stream Jun 1, 2021, 2:54 AM

#

And what form did you have it in?

lime gorge Jun 1, 2021, 2:54 AM

#

So 6/X?

wary stream Jun 1, 2021, 2:54 AM

#

lime gorge So 6/X?

Exactly this

lime gorge Jun 1, 2021, 2:54 AM

#

But how do I get that?

#

With the angle provided

#

I do know the last angle is 53

#

Using basic algebra

wary stream Jun 1, 2021, 2:55 AM

#

So you have $$tan(37) = \frac{6}{x}$$, correct?

ocean sealBOT Jun 1, 2021, 2:55 AM

#

dldh06

lime gorge Jun 1, 2021, 2:55 AM

#

Yes

#

How do I solve that?

wary stream Jun 1, 2021, 2:55 AM

#

How would you find x?

lime gorge Jun 1, 2021, 2:55 AM

#

That’s what I need to know lol

wary stream Jun 1, 2021, 2:56 AM

#

If you had $$10 = \frac{6}{x}$$ what would you do to find x?

ocean sealBOT Jun 1, 2021, 2:56 AM

#

dldh06

lime gorge Jun 1, 2021, 2:56 AM

#

10/1

#

Wait no

#

Hmm idk 😬

#

10/1=6/x?

wary stream Jun 1, 2021, 2:57 AM

#

Multiply by x on both sides?

lime gorge Jun 1, 2021, 2:57 AM

#

oh

wary stream Jun 1, 2021, 2:57 AM

#

Then divide by 10?

lime gorge Jun 1, 2021, 2:58 AM

#

So 10x?

#

10x and 6x?

#

10x=6x/x

wary stream Jun 1, 2021, 2:58 AM

#

It wouldn't be 6x

lime gorge Jun 1, 2021, 2:58 AM

#

Ohh yeaaaaa

#

Because it takes away the x below it

#

So 10x= 6?

wary stream Jun 1, 2021, 2:59 AM

#

lime gorge So 10x= 6?

Yes

#

Then?

lime gorge Jun 1, 2021, 2:59 AM

#

Then subtract ?

wary stream Jun 1, 2021, 2:59 AM

#

Why would you subtract?

lime gorge Jun 1, 2021, 2:59 AM

#

4x=0

#

Wait that makes 0 sense

wary stream Jun 1, 2021, 3:00 AM

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But the 6 and 10x aren't combinable

lime gorge Jun 1, 2021, 3:00 AM

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So how do I do it then?

wary stream Jun 1, 2021, 3:00 AM

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Well how would you solve for x?

lime gorge Jun 1, 2021, 3:00 AM

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If I knew that I’d be happy 😂

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I forgot it

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Multiply both sides by 6?

wary stream Jun 1, 2021, 3:01 AM

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What other operations are there?

lime gorge Jun 1, 2021, 3:01 AM

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So 36= 60x?

wary stream Jun 1, 2021, 3:01 AM

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Why multiply by 6?

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Does that get x by itself?

lime gorge Jun 1, 2021, 3:02 AM

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Oh divide by 2! Yes?

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So 3 = 5x

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That makes it smaller

wary stream Jun 1, 2021, 3:02 AM

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Not by two

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How do you want 10x to just be x?

lime gorge Jun 1, 2021, 3:02 AM

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Divide by 10?

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But that makes no sense

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Then it’s 1x = .60

wary stream Jun 1, 2021, 3:03 AM

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lime gorge Divide by 10?

Exactly

lime gorge Jun 1, 2021, 3:03 AM

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Could that be right?

wary stream Jun 1, 2021, 3:03 AM

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Yeah, it's a decimal. And this was an example I gave you

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Not the actual problem

lime gorge Jun 1, 2021, 3:03 AM

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I know lol

wary stream Jun 1, 2021, 3:04 AM

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ocean seal **dldh06**

.

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So do the same process for that

lime gorge Jun 1, 2021, 3:04 AM

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Tan (37) = 6/x

wary stream Jun 1, 2021, 3:04 AM

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So step one?

lime gorge Jun 1, 2021, 3:04 AM

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How do u deal with the tan?

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Or ignore that?

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And act like it’s normal numbers?

wary stream Jun 1, 2021, 3:05 AM

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It's the same process as the 10x

lime gorge Jun 1, 2021, 3:06 AM

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So tan (37x) = 6?

wary stream Jun 1, 2021, 3:06 AM

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No

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The x doesn't go inside

lime gorge Jun 1, 2021, 3:07 AM

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So tan (37) (x) = 6?