reef sparrow Nov 10, 2022, 1:09 PM

#

if you keep dividing 1 by increasingly "large" negative numbers, what happens?

#

1/-1, 1/-2, 1/-3, 1/-4...

stiff swan Nov 10, 2022, 1:09 PM

#

we get closer to 0?

reef sparrow Nov 10, 2022, 1:09 PM

#

correct

#

so 1/ln(x) goes to 0 as x → 0⁺

stiff swan Nov 10, 2022, 1:10 PM

#

oh

reef sparrow Nov 10, 2022, 1:10 PM

#

so this limit is equal to cosh(0), which is...

stiff swan Nov 10, 2022, 1:10 PM

#

1

reef sparrow Nov 10, 2022, 1:10 PM

#

right.

stiff swan Nov 10, 2022, 1:10 PM

#

lets gooo

#

Is there a way to easily remember graphs

#

I think the graphs are very useful here

#

specially the inverse

#

I can't memorize those

#

guess I just gotta do it

full forumBOT Nov 10, 2022, 1:44 PM

#

@stiff swan Has your question been resolved?

full forumBOT Nov 10, 2022, 2:45 PM

#

@stiff swan Has your question been resolved?

full forumBOT Nov 10, 2022, 3:45 PM

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deft zodiac Nov 10, 2022, 3:47 PM

#

hi

#

post again elsewhere

exotic cloud Nov 10, 2022, 3:48 PM

#

why is the 1/3 here?

deft zodiac Nov 10, 2022, 3:48 PM

#

eh

#

what u found is the direction

#

uve to normalise it

#

like /magnitude

#

in this case its

#

sqrt[(-2)^2 + 1^2 + 2^2]

#

= sqrt(4+1+4) = sqrt9 = 3

#

so when u divide by that u get

#

1/3

#

unit vector always has length 1

exotic cloud Nov 10, 2022, 3:49 PM

#

so that 1/3 is direction or magnitude?

#

this applies for all when we find through this ijk right?

deft zodiac Nov 10, 2022, 3:53 PM

#

um

#

1/3 is the magnitude

#

direction is

exotic cloud Nov 10, 2022, 3:54 PM

#

deft zodiac um

i got it

deft zodiac Nov 10, 2022, 3:54 PM

#

go to

#

the other

#

o u got it alr?

exotic cloud Nov 10, 2022, 3:54 PM

#

thank you so mcuhhhhhh

#

yes

deft zodiac Nov 10, 2022, 3:54 PM

#

np

#

just

#

dont delete ur original msg next time

#

itll close the channel in some time

#

even if ppl r in it

#

anyway

exotic cloud Nov 10, 2022, 3:55 PM

#

i send the wrong picture

deft zodiac Nov 10, 2022, 3:55 PM

#

💕

#

yea just

exotic cloud Nov 10, 2022, 3:55 PM

#

thank youuuu!!

deft zodiac Nov 10, 2022, 3:55 PM

#

repost it in another channel

#

np

#

holoApple

full forumBOT Nov 10, 2022, 3:59 PM

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void arch Nov 10, 2022, 4:01 PM

#

Struggling to understand the intuition of dedekind cuts

full forumBOT Nov 10, 2022, 4:01 PM

#

void arch Struggling to understand the intuition of dedekind cuts

void arch Nov 10, 2022, 4:01 PM

#

For any x in the real numbers you can partition the rational numbers into two sets

#

Take for example root2 and root3 and it has the dedekind cuts a and b respectively

#

Would you then say that a is a subset of b?

#

And that the union of all dedekind cuts defines the real numbers?

fast peak Nov 10, 2022, 4:07 PM

#

so we have two dedekind cuts a and b. one represents the number sqrt(2) and the other the number sqrt(3). we can then define what it means that sqrt(2) < sqrt(3), namely that a is a subset of b

void arch Nov 10, 2022, 4:08 PM

#

Why did you use the inequality sign to denote subset?

fast peak Nov 10, 2022, 4:10 PM

#

well we wanna think about sqrt(2) and sqrt(3) as numbers and not as sets

#

so as numbers they are smaller if the corresponding sets are subsets

full forumBOT Nov 10, 2022, 4:23 PM

#

@void arch Has your question been resolved?

void arch Nov 10, 2022, 4:24 PM

#

#

How does this imply they are the same dedekind cuts?

fast peak Nov 10, 2022, 4:25 PM

#

usually A isn't allowed to have a greatest element

#

or at least the definitions I have seen

void arch Nov 10, 2022, 4:27 PM

#

The question is to give an example of dedekind cuts where B1 is a subset of A1 and alpha is not strictly larger than beta

fast peak Nov 10, 2022, 4:28 PM

#

proper subset or just subset

void arch Nov 10, 2022, 4:29 PM

#

Proper

fast peak Nov 10, 2022, 4:30 PM

#

can you give the definition of dedekind cuts you are using?

void arch Nov 10, 2022, 4:38 PM

#

It has no maxima element in A, it’s not the empty set and finally if a is in A and b<a then b is in A aswell

#

Another thing I’m confused about

#

Do Dedekind define all real numbers, so rationals and irrationals by choosing what supremum you use as the maxima

fast peak Nov 10, 2022, 4:42 PM

#

very informally, yes

#

assuming I understand correctly what you mean

#

so you want two dedekind cuts alpha and beta, so that alpha=beta but A_1 is not the same as B_1 ?

#

that doesn't work. dedekind cuts are unique

full forumBOT Nov 10, 2022, 5:09 PM

#

@void arch Has your question been resolved?

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full forumBOT Nov 10, 2022, 5:57 PM

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broken rain Nov 10, 2022, 6:00 PM

#

Why the answer is 448? I interpret like 9 x 8 x 7 = 504, I don't understand why is 448

full forumBOT Nov 10, 2022, 6:00 PM

#

broken rain Why the answer is 448? I interpret like 9 x 8 x 7 = 504, I don't understand why ...

ivory cairn Nov 10, 2022, 6:03 PM

#

there aren't 9 options for the first digit

sharp zenith Nov 10, 2022, 6:11 PM

#

^

#

since it’s a 3 digit number, you don’t have 0 as a choice and you don’t have 5 as a choice

#

so for the hundreds, there’s 8 options

#

for the tens, you can’t have 5 or the number from the hundreds so there’d be 8 options again

#

and for the units, you can’t have 5, the number for the hundreds, and the number for the tens

#

so 7 options

#

8 x 8 x 7 choices

full forumBOT Nov 10, 2022, 6:19 PM

#

@broken rain Has your question been resolved?

full forumBOT Nov 10, 2022, 6:34 PM

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pulsar grail Nov 10, 2022, 6:59 PM

#

full forumBOT Nov 10, 2022, 6:59 PM

#

pulsar grail

#

@pulsar grail Has your question been resolved?

full forumBOT Nov 10, 2022, 7:45 PM

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@pulsar grail Has your question been resolved?

full forumBOT Nov 10, 2022, 8:15 PM

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torn jolt Nov 10, 2022, 8:16 PM

#

full forumBOT Nov 10, 2022, 8:16 PM

#

torn jolt

torn jolt Nov 10, 2022, 8:17 PM

#

I've tried substituting the x and y coordinates into y = f(1/3x) but I got confused when I saw that I have been left to work out for f

#

#

I don't get what I should do

#

<@&286206848099549185>

#

man

#

.close

full forumBOT Nov 10, 2022, 8:44 PM

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charred ivy Nov 10, 2022, 8:49 PM

#

hi can someone help me with this

full forumBOT Nov 10, 2022, 8:49 PM

#

charred ivy hi can someone help me with this

torn jolt Nov 10, 2022, 8:49 PM

#

hello im new can anyone help me learn?

sharp vine Nov 10, 2022, 8:49 PM

#

torn jolt hello im new can anyone help me learn?

#❓how-to-get-help

charred ivy Nov 10, 2022, 8:49 PM

#

this is precalc but my my teacher showed us how to evaluate the limit

rocky vale Nov 10, 2022, 8:59 PM

#

Precalc?

#

So, you haven't learned about derivatives?

full forumBOT Nov 10, 2022, 9:04 PM

#

@charred ivy Has your question been resolved?

charred ivy Nov 10, 2022, 9:04 PM

#

@rocky vale no

#

only know functions and algebra

supple flume Nov 10, 2022, 9:10 PM

#

charred ivy only know functions and algebra

are you aware of the limit definition for a derivative?

#

this is what it looks like

#

and you take the limit as h goes to 0

full forumBOT Nov 10, 2022, 9:19 PM

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full forumBOT Nov 10, 2022, 10:39 PM

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lone flint Nov 10, 2022, 10:58 PM

#

Vector A = (1,2,-4), vector B = (1,1,k-1), ||A + B|| = 7
Find k

full forumBOT Nov 10, 2022, 10:58 PM

#

lone flint Vector A = (1,2,-4), vector B = (1,1,k-1), \||A + B|| = 7 Find k

lone flint Nov 10, 2022, 10:58 PM

#

It looks easy but I don't get how to solve it

torn jolt Nov 10, 2022, 10:59 PM

#

whats the question

lone flint Nov 10, 2022, 11:00 PM

#

Find k

torn jolt Nov 10, 2022, 11:00 PM

#

easy

#

use the length rule

#

you have everything except k

lone flint Nov 10, 2022, 11:01 PM

#

Length rule?

#

Norm you mean?

torn jolt Nov 10, 2022, 11:01 PM

#

its been 3years since vectors

lone flint Nov 10, 2022, 11:01 PM

#

Look here is my board

torn jolt Nov 10, 2022, 11:01 PM

#

i think idk

lone flint Nov 10, 2022, 11:01 PM

#

#

Idk why I got a weird equation at the end

torn jolt Nov 10, 2022, 11:04 PM

#

seems good i think
now separate the K from the numbers each one to side and find k

lone flint Nov 10, 2022, 11:05 PM

#

How

#

<@&286206848099549185> ayo mind checking the solution above

full forumBOT Nov 10, 2022, 11:28 PM

#

@lone flint Has your question been resolved?

full forumBOT Nov 10, 2022, 11:59 PM

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@lone flint Has your question been resolved?

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wheat garden Nov 11, 2022, 12:12 AM

#

hi

full forumBOT Nov 11, 2022, 12:12 AM

#

wheat garden hi

wheat garden Nov 11, 2022, 12:13 AM

#

did i do this right

heavy wolf Nov 11, 2022, 12:13 AM

#

,rotate

glossy valveBOT Nov 11, 2022, 12:13 AM

#

wheat garden Nov 11, 2022, 12:13 AM

#

idk if what i used works

#

i used like the conjugate of the complex zero

#

.close

full forumBOT Nov 11, 2022, 12:18 AM

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full forumBOT Nov 11, 2022, 1:14 AM

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outer charm Nov 11, 2022, 1:33 AM

#

For the first question, unsure where teeter is.
For the second question, Not sure how to manipulate the equation further, or if I even manipulated it right to begin with. Cannot tell where does m come into play for this equation, and hence unable to continue to answer this question.
O, P and Q = 2. R and S = 4. T = 1. U = 3, V = 2. W=1, X = 2, Y = 3, Z =4.
For the third question, Have quite a weak foundation in trigonometry... Just stuck for the entirety of this question... unable to answer them at all.

full forumBOT Nov 11, 2022, 1:33 AM

#

outer charm For the first question, unsure where teeter is. For the second question, Not sur...

#

@outer charm Has your question been resolved?

full forumBOT Nov 11, 2022, 2:20 AM

#

@outer charm Has your question been resolved?

outer charm Nov 11, 2022, 2:20 AM

#

<@&286206848099549185> please do help out if you are able to. Thank you so much!

full forumBOT Nov 11, 2022, 3:20 AM

#

@outer charm Has your question been resolved?

full forumBOT Nov 11, 2022, 5:21 AM

#

@outer charm Has your question been resolved?

azure aurora Nov 11, 2022, 7:15 AM

#

lol i have no idea how to do that, nor do I have the desire to read 8 pages

outer charm Nov 11, 2022, 8:37 AM

#

Thank you for providing valuable insight to this. I will take note that perhaps I should not ask too many questions in 1 channel for future questions.

full forumBOT Nov 11, 2022, 12:37 PM

#

@outer charm Has your question been resolved?

outer charm Nov 11, 2022, 3:33 PM

#

hello all, i will be heading to sleep now but the questions have yet to be answered. please do not close the thread, thank you!

#

Upon further reading of the statement above made by Christopher I also would like to clarify, it is NOT 8 pages, but a page split into 2 due to feedback from before that if I were to post the question page by page, it would be unclear. Hence I have opted to split some questions into 2 or 3 shots to make it clearer 🙂

full forumBOT Nov 11, 2022, 11:48 PM

#

@outer charm Has your question been resolved?

silver drift Nov 12, 2022, 7:02 AM

#

For 2, use the length of ac and the sin value given to work out ah. Very direct.

#

For 1, use the ah you got before in the classic triangle area formula 1/2 b*h

#

In the future, ask a specific question, not "here's the assignment sheet, i don't get it."

#

I see now I answered questions you already got the solution to.

#

For part 3 of question 1, you can form a triangle with OAH. You know the length of all 3 sides. Theta is in the corner of H. The rest should be straightforward, like part 1 and 2 were.

#

You may need the formula vol=1/3 height * area for pyramids.

outer charm Nov 12, 2022, 8:20 AM

#

silver drift For part 3 of question 1, you can form a triangle with OAH. You know the length ...

So since H on length BC, so is OAH on like the middle of B and C?

silver drift Nov 12, 2022, 8:52 AM

#

OAH is in the third dimenson. H is between B and C, as seen in parts a and b.

outer charm Nov 12, 2022, 9:00 AM

#

uk what nvm i tink i will never get it at this rate thanks anws

#

.close

full forumBOT Nov 12, 2022, 9:00 AM

#

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#

fathom saddle Nov 12, 2022, 9:17 AM

#

Factor top and bottom

#

So you factored, and didn't notice anything weird?

#

Factor top and bottom

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Channel closed

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full forumBOT Nov 12, 2022, 5:52 PM

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shadow nimbus Nov 12, 2022, 5:52 PM

#

Solve by “Trial and Error”.) Below is a floor plan of an art gallery.
IS it possible to take a stroll that passes through EVERY doorway WITHOUT going through the same doorway twice? HOW?

full forumBOT Nov 12, 2022, 5:52 PM

#

shadow nimbus Solve by “Trial and Error”.) Below is a floor plan of an art gallery. ...

shadow nimbus Nov 12, 2022, 5:53 PM

#

scenic wren Nov 12, 2022, 5:57 PM

#

i dont think it is possible

#

nevermind

#

i counted wrong

#

think about what to do with the rooms with three doors

#

they are the problem here and also the key to a solution

wild sleet Nov 12, 2022, 6:00 PM

#

there are many solutions

spice orchid Nov 12, 2022, 6:01 PM

#

Its a graph with doors as vertices and edges if two doors share a room

#

Then you can use degree of vertex argument to say if it's possible or not

wild sleet Nov 12, 2022, 6:01 PM

#

https://discord.com/channels/268882317391429632/1040295839190482964

#

you can solve it by trial and error, just pick a new room as a start every time

full forumBOT Nov 12, 2022, 6:08 PM

#

@shadow nimbus Has your question been resolved?

full forumBOT Nov 12, 2022, 6:23 PM

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torn jolt Nov 12, 2022, 6:24 PM

#

(6) If the angles of a triangle are 2a, a + 20 and a + 24, the value of a is:

full forumBOT Nov 12, 2022, 6:24 PM

#

torn jolt (6) If the angles of a triangle are 2a, a + 20 and a + 24, the value of a is:

torn jolt Nov 12, 2022, 6:25 PM

#

How do we do this sum can anyone help pls

split yacht Nov 12, 2022, 6:26 PM

#

Sum of angles in a triangle is 180 right?

torn jolt Nov 12, 2022, 6:26 PM

#

yes

split yacht Nov 12, 2022, 6:26 PM

#

So? It gives you the 3 angles

torn jolt Nov 12, 2022, 6:26 PM

#

yes

split yacht Nov 12, 2022, 6:27 PM

#

Which gives an equation for a?

torn jolt Nov 12, 2022, 6:27 PM

#

idk

#

.close

full forumBOT Nov 12, 2022, 6:27 PM

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Channel closed

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split yacht Nov 12, 2022, 6:28 PM

#

Uh, ok

full forumBOT Nov 12, 2022, 6:47 PM

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full wave Nov 12, 2022, 7:14 PM

#

someone help me w this rational equation 🥲

full forumBOT Nov 12, 2022, 7:14 PM

#

full wave someone help me w this rational equation 🥲

full wave Nov 12, 2022, 7:14 PM

#

i somehow ended up with this

#

#

idk what to do further 💀

scenic wren Nov 12, 2022, 7:17 PM

#

try to rewrite the fractions

#

to get the same denominator

full wave Nov 12, 2022, 7:18 PM

#

scenic wren try to rewrite the fractions

what i did was to get the lcd

#

which is 12x^2 - 12 (i guess)

scenic wren Nov 12, 2022, 7:19 PM

#

full wave Nov 12, 2022, 7:20 PM

#

ohhhh

#

okay so i messed up with that first part i see

#

thank you!

#

.close

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stuck lichen Nov 12, 2022, 7:47 PM

#

i am indeed a dumbass

full forumBOT Nov 12, 2022, 7:47 PM

#

stuck lichen i am indeed a dumbass

stuck lichen Nov 12, 2022, 7:50 PM

#

where everyone starebleak

smoky wing Nov 12, 2022, 7:51 PM

#

For the LCM, What will the degree of 2 and 3 be

stuck lichen Nov 12, 2022, 7:51 PM

#

uh

#

what

smoky wing Nov 12, 2022, 7:52 PM

#

Do you know what the lowest common multiple is?

stuck lichen Nov 12, 2022, 7:52 PM

#

yeah

#

A is basically 45000

#

and the first common multiple to has with b is given

smoky wing Nov 12, 2022, 7:54 PM

#

Right so the LCM must contain 2^3 x 3^3 and 5^m

stuck lichen Nov 12, 2022, 7:54 PM

#

ye

smoky wing Nov 12, 2022, 7:54 PM

#

We’re given that the lcm is 3375000

#

$2^3 \times 3^3 \times 5^m = 3375000$

stuck lichen Nov 12, 2022, 7:55 PM

#

mhm

glossy valveBOT Nov 12, 2022, 7:55 PM

#

Pure

smoky wing Nov 12, 2022, 7:55 PM

#

$5^m = 15625$

stuck lichen Nov 12, 2022, 7:55 PM

#

how to find a variable exponent.

glossy valveBOT Nov 12, 2022, 7:55 PM

#

Pure

smoky wing Nov 12, 2022, 7:55 PM

#

Are you allowed a calculator

stuck lichen Nov 12, 2022, 7:55 PM

#

ye

smoky wing Nov 12, 2022, 7:56 PM

#

Then do log base 5 of 15625

stuck lichen Nov 12, 2022, 7:56 PM

#

ight

smoky wing Nov 12, 2022, 7:56 PM

#

Or simply recognise that 125 x 125 = 15625

stuck lichen Nov 12, 2022, 7:56 PM

#

i got 6

smoky wing Nov 12, 2022, 7:56 PM

#

Yea

stuck lichen Nov 12, 2022, 7:56 PM

#

so i assume thats the ans?

smoky wing Nov 12, 2022, 7:57 PM

#

Yeah n must be 6

stuck lichen Nov 12, 2022, 7:57 PM

#

right

#

thanks a lot mate

smoky wing Nov 12, 2022, 7:57 PM

#

catthumbsup

stuck lichen Nov 12, 2022, 7:57 PM

#

.close

full forumBOT Nov 12, 2022, 7:57 PM

#

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uncut vine Nov 12, 2022, 8:09 PM

#

Help

full forumBOT Nov 12, 2022, 8:09 PM

#

uncut vine Help

uncut vine Nov 12, 2022, 8:09 PM

#

I got this so far

#

Sorry for my bad hand writing

ivory cairn Nov 12, 2022, 8:24 PM

#

i'm pretty sure there's a typo in this question. There's no need to do all of this

#

lim 3x is infinite
lim root(9x^2-x) is infinite
add them together.....

torn jolt Nov 12, 2022, 8:26 PM

#

ivory cairn lim 3x is infinite lim root(9x^2-x) is infinite add them together.....

I mean I wouldn't state that as a general case though

#

Because you can still get indeterminate forms where you can transform to do l'hopital

ivory cairn Nov 12, 2022, 8:27 PM

#

i mean... infinity + infinity is not indeterminate

spice orchid Nov 12, 2022, 8:27 PM

#

ivory cairn i'm pretty sure there's a typo in this question. There's no need to do all of th...

Agreed, I suspect its meant to be a -

uncut vine Nov 12, 2022, 8:27 PM

#

ivory cairn i'm pretty sure there's a typo in this question. There's no need to do all of th...

So I did everything for nothing😔

thin flint Nov 12, 2022, 8:27 PM

#

why would there be a typo?

#

if it's a negative then it's extremely easy

spice orchid Nov 12, 2022, 8:28 PM

#

?

torn jolt Nov 12, 2022, 8:28 PM

#

ivory cairn i mean... infinity + infinity is not indeterminate

Yes but that line of thinking would lead to them to think that infinity - infinity would be the same idea..

uncut vine Nov 12, 2022, 8:29 PM

#

So will it be

thin flint Nov 12, 2022, 8:29 PM

#

i don't see how it should be - sqrt()

ivory cairn Nov 12, 2022, 8:29 PM

#

torn jolt Yes but that line of thinking would lead to them to think that infinity - infini...

fair enough

spice orchid Nov 12, 2022, 8:29 PM

#

Well the point is that inf+inf isn't indeterminate but inf-inf is

uncut vine Nov 12, 2022, 8:29 PM

#

So answer is 1/6?

spice orchid Nov 12, 2022, 8:29 PM

#

Yes

uncut vine Nov 12, 2022, 8:30 PM

#

All that writing for nothing

ivory cairn Nov 12, 2022, 8:30 PM

#

uncut vine So answer is 1/6?

correcting to 3x - root(stuff), yes the answer is 1/6

spice orchid Nov 12, 2022, 8:30 PM

#

Well your method was still valid just had to flip some signs

#

Clarify with your teacher which they meant though

thin flint Nov 12, 2022, 8:31 PM

#

uncut vine Nov 12, 2022, 8:31 PM

#

So just submit just this to my teacher?

uncut vine Nov 12, 2022, 8:31 PM

#

thin flint

Welp I should of used the app

spice orchid Nov 12, 2022, 8:31 PM

#

Oh me and zyb have been thinking it's +inf

thin flint Nov 12, 2022, 8:31 PM

#

no you shouldn't

#

you should find it yourself because otherwise you don't learn

#

but i am confused as to why there would be a typo

#

so i used wolfram alpha

#

to check if it results in indeterminate form

spice orchid Nov 12, 2022, 8:32 PM

#

I thought it was x-->inf

#

As I suspect Zyb did too

torn jolt Nov 12, 2022, 8:32 PM

#

It should be 1/6

#

Yeah

uncut vine Nov 12, 2022, 8:33 PM

#

uncut vine So just submit just this to my teacher?

So just submit this to my teacher?

torn jolt Nov 12, 2022, 8:33 PM

#

Also I will repeat this over and over, if you get something of the form infinity - infinity that's NOT 0 @uncut vine

thin flint Nov 12, 2022, 8:33 PM

#

with explanation yes

#

for the submit

#

from the start

#

😄

uncut vine Nov 12, 2022, 8:34 PM

#

torn jolt Also I will repeat this over and over, if you get something of the form infinity...

Okay got it

#

Thank you guys

full forumBOT Nov 12, 2022, 8:50 PM

#

@uncut vine Has your question been resolved?

#

Channel closed

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mortal forum Nov 12, 2022, 8:55 PM

#

full forumBOT Nov 12, 2022, 8:55 PM

#

mortal forum

mortal forum Nov 12, 2022, 8:56 PM

#

Wondering how to get the right number since the solution is ~29.7

atomic notch Nov 12, 2022, 9:01 PM

#

gotta inverse cos it

#

@mortal forum

void widget Nov 12, 2022, 9:04 PM

#

,w cos x=(10^2+8^2-5^2)/(2×10×8)

atomic notch Nov 12, 2022, 9:06 PM

#

10^2 + 8^2 not -

void widget Nov 12, 2022, 9:06 PM

#

Oh yeahhh

mortal forum Nov 12, 2022, 9:06 PM

#

which button is that on the calculator

atomic notch Nov 12, 2022, 9:06 PM

#

shift cos

#

faking hell

glossy valveBOT Nov 12, 2022, 9:06 PM

#

Results provided by WolframAlpha

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mortal forum Nov 12, 2022, 9:07 PM

#

dont know if i have it

atomic notch Nov 12, 2022, 9:07 PM

#

i see it above ur cos

void widget Nov 12, 2022, 9:07 PM

#

mortal forum Nov 12, 2022, 9:07 PM

#

yeah but it does nothing when i press it

atomic notch Nov 12, 2022, 9:07 PM

#

maybe click 2nd f then cos

mortal forum Nov 12, 2022, 9:07 PM

#

ill try

#

dont think anything happend

void widget Nov 12, 2022, 9:10 PM

#

Here

#

How could you use this one

#

After getting the cos sign

mortal forum Nov 12, 2022, 9:11 PM

#

what do you mean

void widget Nov 12, 2022, 9:12 PM

#

void widget Here

After typing cos could you use that button that I've marked by any type of function

mortal forum Nov 12, 2022, 9:14 PM

#

i juts did cos-1

#

it says still 0.960506

void widget Nov 12, 2022, 9:15 PM

#

cos^(-1) or cos -1

mortal forum Nov 12, 2022, 9:15 PM

#

cos-1

#

and pressed it again gave me 16.1

void widget Nov 12, 2022, 9:16 PM

#

How do you put 2^(-1) in that calculator?

mortal forum Nov 12, 2022, 9:17 PM

#

the button yx

#

bracket -1

void widget Nov 12, 2022, 9:18 PM

#

So
Type cos and do that same thing maybe it will be good
Tap
Cos
Button yx
Bracket -1
Then (139÷160)

mortal forum Nov 12, 2022, 9:21 PM

#

ya dont think this calculators gonna work

void widget Nov 12, 2022, 9:21 PM

#

mortal forum ya dont think this calculators gonna work

😂😂😂

#

Use mobile

#

And nothin 😂

mortal forum Nov 12, 2022, 9:22 PM

#

k

#

.close

full forumBOT Nov 12, 2022, 9:23 PM

#

Channel closed

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full forumBOT Nov 13, 2022, 10:10 AM

#

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#

trail oasis Nov 13, 2022, 10:18 AM

#

$\frac{a}{b}$ = $\frac{1}{\frac{b}{a}}$

glossy valveBOT Nov 13, 2022, 10:18 AM

#

ByShaDowZ

full forumBOT Nov 13, 2022, 10:18 AM

#

Channel closed

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Use .reopen if this was a mistake.

#

✅

trail oasis Nov 13, 2022, 10:22 AM

#

$\frac{n+1}{n}$ = $\frac{n}{n}$ + $\frac{1}{n}$

glossy valveBOT Nov 13, 2022, 10:22 AM

#

ByShaDowZ

full forumBOT Nov 13, 2022, 10:22 AM

#

Channel closed

Closed by @simple plinth

Use .reopen if this was a mistake.

#

Available help channel!

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Remember:
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• Be polite and have a nice day!

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astral brook Nov 13, 2022, 10:58 AM

#

how do i proof that $\frac{\log _2\left(2 \sqrt{10}\right)}{\log _4(5)+\log {10}(5)} = \log{5}{10}$

full forumBOT Nov 13, 2022, 10:58 AM

#

astral brook how do i proof that $\frac{\log _2\left(2 \sqrt{10}\right)}{\log _4(5)+\log _{10...

glossy valveBOT Nov 13, 2022, 10:58 AM

#

Impractical

hoary cliff Nov 13, 2022, 10:59 AM

#

God

onyx glen Nov 13, 2022, 10:59 AM

#

convert everything to natural logs and do some algebraic fuckery

#

gonna be some moderately nasty expression in terms of log(2) and log(5)

astral brook Nov 13, 2022, 10:59 AM

#

well thats kind of ugly i was hoping there was a shortcut

onyx glen Nov 13, 2022, 10:59 AM

#

i mean ok like

#

$\log_2(2\sqrt{10}) = \frac32 + \frac12 \log_2(5)$

glossy valveBOT Nov 13, 2022, 10:59 AM

#

Ann

onyx glen Nov 13, 2022, 10:59 AM

#

bc sqrt(10) = 2^(1/2) * 5^(1/2) of course

astral brook Nov 13, 2022, 10:59 AM

#

mhm

hoary cliff Nov 13, 2022, 11:00 AM

#

im bad at logarithms

#

😦

onyx glen Nov 13, 2022, 11:00 AM

#

@hoary cliff with all due respect, if you don't want to or can't help, then please do not intrude in this channel.

hoary cliff Nov 13, 2022, 11:00 AM

#

Okk

onyx glen Nov 13, 2022, 11:00 AM

#

@astral brook idt we can avoid some nested-fraction nonsense here

#

like the log_4(5) + log_10(5) at the bottom

astral brook Nov 13, 2022, 11:02 AM

#

i should probably ask a simpler question, whats $\frac{\log _2\left(2 \sqrt{10}\right)}{\log _5(40)}$

glossy valveBOT Nov 13, 2022, 11:02 AM

#

Impractical

astral brook Nov 13, 2022, 11:03 AM

#

thats all i need to simplify the above

onyx glen Nov 13, 2022, 11:03 AM

#

wait what

astral brook Nov 13, 2022, 11:03 AM

#

yeah

onyx glen Nov 13, 2022, 11:03 AM

#

log_4(5) + log_10(5) ≠ log_5(40) thonk

astral brook Nov 13, 2022, 11:03 AM

#

no

onyx glen Nov 13, 2022, 11:03 AM

#

i mean like ok hold on

astral brook Nov 13, 2022, 11:04 AM

#

i manipulated the expression to be $\frac{\log _2\left(2 \sqrt{10}\right) \log _5(4) \log _5(10)}{\log _5(40)}$

glossy valveBOT Nov 13, 2022, 11:04 AM

#

Impractical

onyx glen Nov 13, 2022, 11:04 AM

#

right

#

ok

astral brook Nov 13, 2022, 11:04 AM

#

if we can somehow proof that $\frac{\log _2\left(2 \sqrt{10}\right)}{\log _5(40)} = \log _4(5)$ then its a breeze

glossy valveBOT Nov 13, 2022, 11:04 AM

#

Impractical

onyx glen Nov 13, 2022, 11:04 AM

#

so $\frac{\log_2(2\sqrt{10})}{\log_5(40)} = \frac{\frac32 + \frac12 \log_2(5)}{1 + 3 \log_5(2)}$

glossy valveBOT Nov 13, 2022, 11:04 AM

#

Ann

onyx glen Nov 13, 2022, 11:05 AM

#

let $t := \log_2(5)$ then our expression is $\frac{(3+t)/2}{1 + \frac{3}{t}}$

glossy valveBOT Nov 13, 2022, 11:05 AM

#

Ann

onyx glen Nov 13, 2022, 11:05 AM

#

$\frac{\frac12(3+t)}{1 + \frac{3}{t}} = \frac12 \cdot \frac{t}{t+3} \cdot (3+t)$

glossy valveBOT Nov 13, 2022, 11:05 AM

#

Ann

onyx glen Nov 13, 2022, 11:05 AM

#

= t/2

#

and $t = \log_2(5)$ therefore $\log_4(5) = \frac12 t$

glossy valveBOT Nov 13, 2022, 11:05 AM

#

Ann

astral brook Nov 13, 2022, 11:06 AM

#

okay so what

onyx glen Nov 13, 2022, 11:07 AM

#

aren't we done

astral brook Nov 13, 2022, 11:07 AM

#

im kinda confused could u put them in one place

#

Nvm i figured it out

#

Thanks

#

.close

full forumBOT Nov 13, 2022, 11:16 AM

#

Channel closed

Closed by @astral brook

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full forumBOT Nov 13, 2022, 11:46 AM

#

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• Be polite and have a nice day!

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errant stone Nov 13, 2022, 12:05 PM

#

I want help

full forumBOT Nov 13, 2022, 12:05 PM

#

errant stone I want help

errant stone Nov 13, 2022, 12:06 PM

#

bro y u pin me 😭😭😭😭😭

#

uhh

#

me became pro now

vast fossil Nov 13, 2022, 12:06 PM

#

That's how the bot works

#

Just post the question

errant stone Nov 13, 2022, 12:06 PM

#

I just don't know how to divide

#

help me I don't know how to divide

errant stone Nov 13, 2022, 12:07 PM

#

errant stone help me I don't know how to divide

bot pin the message that I replied to

#

u not work bruh

onyx glen Nov 13, 2022, 12:08 PM

#

http://google.com/?q=khan+academy+division

Google

Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.

errant stone Nov 13, 2022, 12:09 PM

#

google gave me false information

onyx glen Nov 13, 2022, 12:09 PM

#

as in, google gave you some information about division of whole numbers, and you know this information to be false?

errant stone Nov 13, 2022, 12:09 PM

#

no

onyx glen Nov 13, 2022, 12:10 PM

#

ok so you're full of shit then

errant stone Nov 13, 2022, 12:10 PM

#

thx

onyx glen Nov 13, 2022, 12:10 PM

#

...say, how old are you?

errant stone Nov 13, 2022, 12:10 PM

#

NO U YOU'LL NEVER GET ME KICKED OUT

#

AM LEAVING THE SERVER

onyx glen Nov 13, 2022, 12:10 PM

#

bye

errant stone Nov 13, 2022, 12:14 PM

#

onyx glen Nov 13, 2022, 12:16 PM

#

weren't you going to leave the server?

errant stone Nov 13, 2022, 12:16 PM

#

No

silver pasture Nov 13, 2022, 12:17 PM

#

damn u just deleted that?

onyx glen Nov 13, 2022, 12:17 PM

#

errant stone Nov 13, 2022, 12:17 PM

#

silver pasture damn u just deleted that?

yes

silver pasture Nov 13, 2022, 12:18 PM

#

"mom said i better learn division or else"

#

credit @errant stone

#

🤧

errant stone Nov 13, 2022, 12:18 PM

#

silver pasture "mom said i better learn division or else"

NOO DUDE DELETE THAT

#

I just want help from division

silver pasture Nov 13, 2022, 12:18 PM

#

if u type ".close" and go to khan acad to study

errant stone Nov 13, 2022, 12:18 PM

#

😭😭😭😭

silver pasture Nov 13, 2022, 12:19 PM

#

only ask questions here

errant stone Nov 13, 2022, 12:19 PM

#

ohh ok

silver pasture Nov 13, 2022, 12:19 PM

#

bhappy

errant stone Nov 13, 2022, 12:19 PM

#

yo how do I use long division like 500 divided by 5

#

that's a question

silver pasture Nov 13, 2022, 12:19 PM

#

it does not have a mathematical answer so sorry no

errant stone Nov 13, 2022, 12:20 PM

#

there

spice orchid Nov 13, 2022, 12:20 PM

#

You google long division and use the numerous resources there

errant stone Nov 13, 2022, 12:21 PM

#

" You google long division and use the numerous resources there "
My reply: thx me appriciate it

silver pasture Nov 13, 2022, 12:22 PM

#

y cant u just do it

#

https://tenor.com/view/spongebob-shut-up-go-away-cant-see-you-please-go-home-gif-15042699

Tenor

errant stone Nov 13, 2022, 12:23 PM

#

spice orchid You google long division and use the numerous resources there

it only gave me a website and images 💀

silver pasture Nov 13, 2022, 12:23 PM

#

onyx glen http://google.com/?q=khan+academy+division

.

spice orchid Nov 13, 2022, 12:23 PM

#

That's literally what Google does

sterile jungle Nov 13, 2022, 12:23 PM

#

Lightning Bolt, one sec

onyx glen Nov 13, 2022, 12:23 PM

#

can we please stop all this

errant stone Nov 13, 2022, 12:23 PM

#

nahh bro am leaving am scared

sterile jungle Nov 13, 2022, 12:23 PM

#

I'll just transfer my knowledge to you through telekinesis

onyx glen Nov 13, 2022, 12:23 PM

#

errant stone nahh bro am leaving am scared

if you want to leave then leave lmao

#

nobodys keeping you here

sterile jungle Nov 13, 2022, 12:23 PM

#

You don't need to spend any effort my guy

#

I got you

onyx glen Nov 13, 2022, 12:24 PM

#

besides you screamed "YOU'LL NEVER GET ME KICKED OUT" when asked about your age

#

kind of suspicious

#

OP is to be presumed underage until further notice

tidal reef Nov 13, 2022, 12:25 PM

#

that is the most dramatic line i've ever seen

full forumBOT Nov 13, 2022, 12:38 PM

#

@errant stone Has your question been resolved?

full forumBOT Nov 13, 2022, 12:53 PM

#

Channel closed

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• After 15 minutes, feel free to ping <@&286206848099549185>.
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• Be polite and have a nice day!

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flat lion Nov 13, 2022, 12:56 PM

#

full forumBOT Nov 13, 2022, 12:56 PM

#

flat lion

flat lion Nov 13, 2022, 12:57 PM

#

I thought sinxcosx = 2sin2x

#

but they put (1/2)sinxcosx(r^2) = z

raw turret Nov 13, 2022, 12:59 PM

#

2sinxcosx=sin2x

mortal forum Nov 13, 2022, 12:59 PM

#

i need help

flat lion Nov 13, 2022, 1:04 PM

#

oh

#

alright thank you

#

.close

full forumBOT Nov 13, 2022, 1:05 PM

#

Channel closed

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misty harness Nov 13, 2022, 1:07 PM

#

how is d(df) proportional to $dx^2$?

full forumBOT Nov 13, 2022, 1:07 PM

#

misty harness how is d(df) proportional to $dx^2$?

glossy valveBOT Nov 13, 2022, 1:07 PM

#

LichBaw_GT

full forumBOT Nov 13, 2022, 1:22 PM

#

@misty harness Has your question been resolved?

misty harness Nov 13, 2022, 1:27 PM

#

.close

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raw solar Nov 13, 2022, 1:37 PM

#

Before I punch this in! Is this correct? Differential equations

full forumBOT Nov 13, 2022, 1:37 PM

#

raw solar Before I punch this in! Is this correct? Differential equations

raw solar Nov 13, 2022, 1:38 PM

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question

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Accurately, separable differential equations

torn jolt Nov 13, 2022, 1:41 PM

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what have you tried?

raw solar Nov 13, 2022, 1:42 PM

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Am scared to try cause each incorrect try I lose points and get precisely zero feedback on what went wrong.

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So I'd prefer feedback here first. I'm greedy, yes.

torn jolt Nov 13, 2022, 1:43 PM

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well, since this is assessed I can't help you

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it's against policy

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I can give you a hint though

raw solar Nov 13, 2022, 1:46 PM

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Sure, a hint would be nice

raw turret Nov 13, 2022, 1:46 PM

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Write y’ as dy/dx

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And rearrange

raw solar Nov 13, 2022, 1:47 PM

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but that's what I did

full forumBOT Nov 13, 2022, 2:02 PM

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@raw solar Has your question been resolved?

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Channel closed

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wooden rover Nov 13, 2022, 2:27 PM

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full forumBOT Nov 13, 2022, 2:27 PM

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wooden rover

wooden rover Nov 13, 2022, 2:27 PM

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how do I approach this

static bramble Nov 13, 2022, 2:28 PM

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How do you normally find the tangent line at a point?

wooden rover Nov 13, 2022, 2:30 PM

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ive kinda forgot but is it something to do with the gradient being negative reciprocal from the centre to the point

static bramble Nov 13, 2022, 2:30 PM

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Not quite

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The tangent line shares the gradient at that point

wooden rover Nov 13, 2022, 2:30 PM

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oh

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idk what I should try and do at first tho

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the centre is (-2, 2) right

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oh do i find the gradient to the point

static bramble Nov 13, 2022, 2:32 PM

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The tangent line at a point passes through that point, and has the same slope at that point as the parent equation

static bramble Nov 13, 2022, 2:32 PM

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wooden rover the centre is (-2, 2) right

The center of the circle is, yes

wooden rover Nov 13, 2022, 2:34 PM

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i think ive got it

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ty

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.close

full forumBOT Nov 13, 2022, 2:35 PM

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prime saffron Nov 13, 2022, 2:42 PM

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Hi

full forumBOT Nov 13, 2022, 2:42 PM

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prime saffron Hi

prime saffron Nov 13, 2022, 2:42 PM

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I have a question with 4b

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Why is corner E1 = corner A

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Wait is it because ABC is similar with ECD

torn jolt Nov 13, 2022, 2:45 PM

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angles ADE = EDC

prime saffron Nov 13, 2022, 2:45 PM

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And E1 in ECD is similar to A in ABC

torn jolt Nov 13, 2022, 2:45 PM

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prime saffron Wait is it because ABC is similar with ECD

yes

prime saffron Nov 13, 2022, 2:45 PM

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How do I write that down

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Wait

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A sec

torn jolt Nov 13, 2022, 2:46 PM

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use the fact that the angles of a triangle add up to 180

prime saffron Nov 13, 2022, 2:48 PM

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Yeah I got it

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I wrote it down like this

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Triangle ABC is similar with Triangle EDC
Corner C = corner C ( same corner )
Corner D1 = corner B ( 90°)
Therefore corner A = E1 ( angle sum triangle )

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Is that correct

torn jolt Nov 13, 2022, 2:50 PM

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yup

prime saffron Nov 13, 2022, 2:50 PM

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Okay

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Is there any other way of writing down

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Angle C = Angle C ( same corner )

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Instead of same corner is there other reasoning

torn jolt Nov 13, 2022, 2:51 PM

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no, what've you've said is correct

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the angles are the same because its the same corner

prime saffron Nov 13, 2022, 2:52 PM

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Okay

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Thanks!

torn jolt Nov 13, 2022, 2:52 PM

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yw :D

prime saffron Nov 13, 2022, 2:52 PM

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.close

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heavy wagon Nov 13, 2022, 2:57 PM

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full forumBOT Nov 13, 2022, 2:57 PM

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heavy wagon

heavy wagon Nov 13, 2022, 2:57 PM

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I have done the first part, showing that it satisfies laplaces equation

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i dont know how to do the second one

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I am a first year, so i havent done complex analysis yet

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.clos

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.close

full forumBOT Nov 13, 2022, 3:04 PM

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full forumBOT Nov 13, 2022, 3:28 PM

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ocean copper Nov 13, 2022, 3:48 PM

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What is the probability that a regimental student is also in an engineering program?

full forumBOT Nov 13, 2022, 3:48 PM

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ocean copper What is the probability that a regimental student is also in an engineering prog...

ocean copper Nov 13, 2022, 3:48 PM

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I said 75% someone else working on this problem said 60% we don't have an answer key

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I arrange this in tree diagram starting with Engineer or non-engineer

wild sleet Nov 13, 2022, 3:55 PM

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it's not 75% or 60%

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suppose there's 100 students

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means you pick one of 75 at random

ocean copper Nov 13, 2022, 3:57 PM

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but we arent picking at random we know the student is in the regiment

wild sleet Nov 13, 2022, 3:58 PM

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you are picking at random among those 75

ocean copper Nov 13, 2022, 3:58 PM

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ok

wild sleet Nov 13, 2022, 3:58 PM

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there are 15 engineers that you couldn't have picked

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45 engineers that you could have picked

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they are somewhere in those 75

ocean copper Nov 13, 2022, 3:59 PM

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wild sleet there are 15 engineers that you couldn't have picked

I dont understand this reference

wild sleet Nov 13, 2022, 3:59 PM

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ok, that's 60%

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i miscalculated

ocean copper Nov 13, 2022, 4:00 PM

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So its 60%?

wild sleet Nov 13, 2022, 4:00 PM

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yeah

ocean copper Nov 13, 2022, 4:00 PM

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how?

wild sleet Nov 13, 2022, 4:01 PM

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,calc 0.45/0.75

glossy valveBOT Nov 13, 2022, 4:01 PM

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Result:

0.6

ocean copper Nov 13, 2022, 4:01 PM

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Im going to fail stats because I can't interpret questions

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I am passing partial diff eq's and failing stats

ocean copper Nov 13, 2022, 4:04 PM

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wild sleet ,calc 0.45/0.75

isnt it asking P(R|E)

wild sleet Nov 13, 2022, 4:04 PM

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the other way around

ocean copper Nov 13, 2022, 4:05 PM

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wild sleet the other way around

ok what made you interpret it as P(E|R)

wild sleet Nov 13, 2022, 4:06 PM

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P(E given R)
probability that it's an engineer in a world where they are in the regiment

ocean copper Nov 13, 2022, 4:06 PM

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ocean copper Nov 13, 2022, 4:07 PM

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wild sleet P(E given R) probability that it's an engineer in a world where they are in the ...

Said that way it makes more sense

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.close

full forumBOT Nov 13, 2022, 4:09 PM

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Channel closed

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ocean copper Nov 13, 2022, 4:09 PM

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@wild sleet ty

full forumBOT Nov 13, 2022, 4:10 PM

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torn jolt Nov 13, 2022, 4:25 PM

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full forumBOT Nov 13, 2022, 4:25 PM

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torn jolt

torn jolt Nov 13, 2022, 4:26 PM

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I'm not sure how do to partial fraction decomposition with square roots. could anyone provide some advice? thanks

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Partial fractions decomposition?

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Why

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its a telescoping series

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gotta use PFD

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It is already decomposed

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i am goofy

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.close

full forumBOT Nov 13, 2022, 4:39 PM

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Channel closed

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torn jolt Nov 13, 2022, 4:39 PM

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.reopen

full forumBOT Nov 13, 2022, 4:39 PM

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✅

torn jolt Nov 13, 2022, 4:39 PM

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i still do not really understand this then

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because each portion of the limit would go to 0

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so itd be 0 - 0 but that is wrong

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(infinity)^(-1/2) is 0

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and (infinity + 1)^(-1/2) is also 0

full forumBOT Nov 13, 2022, 4:55 PM

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@torn jolt Has your question been resolved?

full forumBOT Nov 13, 2022, 5:25 PM

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@torn jolt Has your question been resolved?

full forumBOT Nov 13, 2022, 6:44 PM

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@torn jolt Has your question been resolved?

torn jolt Nov 13, 2022, 7:50 PM

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no

full forumBOT Nov 13, 2022, 9:50 PM

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@torn jolt Has your question been resolved?

sly cove Nov 13, 2022, 10:57 PM

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torn jolt and (infinity + 1)^(-1/2) is also 0

The sum looks like $(\frac{1}{\sqrt4} - \frac{1}{\sqrt5}) + (\frac{1}{\sqrt5} - \frac{1}{\sqrt6}) + \dots$

glossy valveBOT Nov 13, 2022, 10:58 PM

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FLORIDA MAN

sly cove Nov 13, 2022, 10:59 PM

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Every term after the first gets canceled by the next

torn jolt Nov 13, 2022, 11:06 PM

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.close

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strong pawn Nov 13, 2022, 11:22 PM

#

full forumBOT Nov 13, 2022, 11:22 PM

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strong pawn

strong pawn Nov 13, 2022, 11:22 PM

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how to l'hopital rule when its not a fraction? do i just do / 1?

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no but if i do that it's divide by 0

sly cove Nov 13, 2022, 11:26 PM

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$2\sin(7t)\ln(7t) = \frac{2\sin(7t)}{\frac{1}{\ln(7t)}}$

glossy valveBOT Nov 13, 2022, 11:26 PM

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FLORIDA MAN

sly cove Nov 13, 2022, 11:26 PM

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strong pawn how to l'hopital rule when its not a fraction? do i just do / 1?

Now it's 0/0 so you can apply lhospitals

full forumBOT Nov 13, 2022, 11:39 PM

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@strong pawn Has your question been resolved?

full forumBOT Nov 13, 2022, 11:54 PM

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fickle path Nov 13, 2022, 11:57 PM

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help

full forumBOT Nov 13, 2022, 11:57 PM

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fickle path help

fickle path Nov 13, 2022, 11:57 PM

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https://www.desmos.com/calculator/qjr46kmmgb

Desmos

Ground Crack Graph

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i have to make it so that the line mathches the crack in teh ground

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i have to make a sinusoidal sunction

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i just cant get it to be perfect

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when its matches the middle and left part the right one isnt matched

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and when i match the middle with the right the left one isnt

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.close

full forumBOT Nov 14, 2022, 12:02 AM

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shadow halo Nov 14, 2022, 12:10 AM

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tried 13!/4!(13-4)! and tried 13!/(13-4)!

full forumBOT Nov 14, 2022, 12:10 AM

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shadow halo tried 13!/4!(13-4)! and tried 13!/(13-4)!

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@shadow halo Has your question been resolved?

honest bane Nov 14, 2022, 12:25 AM

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shadow halo tried 13!/4!(13-4)! and tried 13!/(13-4)!

i think it might be 6x6x6x6

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bc they're are 6 ways to chose the 1st colour

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bc repeptitions are permitted then they're still 6 ways to chose the 2nd

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i think i'm not sure

shadow halo Nov 14, 2022, 12:27 AM

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damn !

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i think you are right

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at least that gets me to a possible answer

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but i gotta admit im still not understanding how you got there? like 6 pos. colors but ... head scratch

honest bane Nov 14, 2022, 12:29 AM

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my thought process was

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we have 6 colours

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and 4 "spots" to fill them with

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so if i am picking a colour for the 1st spot i have 6 colours to chose from

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bc repetitions are allowed

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if am picking a colour for the 2nd spot i have still 6 colours to chose from

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again i'm not sure if this is correct

shadow halo Nov 14, 2022, 12:33 AM

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ok i see the thought process. and its the only option that has given me an answer thats available so im going to run with this !

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thank you!!

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.close

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mighty bone Nov 14, 2022, 12:51 AM

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Can someone explain to me how to do this or least tell me what I am doing wrong.

full forumBOT Nov 14, 2022, 12:51 AM

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mighty bone Can someone explain to me how to do this or least tell me what I am doing wrong.

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@mighty bone Has your question been resolved?

mighty bone Nov 14, 2022, 1:15 AM

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<@&286206848099549185>

full forumBOT Nov 14, 2022, 1:45 AM

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@mighty bone Has your question been resolved?

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torn jolt Nov 14, 2022, 2:24 AM

#

full forumBOT Nov 14, 2022, 2:24 AM

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torn jolt

torn jolt Nov 14, 2022, 2:24 AM

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this possible?

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i mean, can i delete the x^2 even though its (2+x^2)?

eager violet Nov 14, 2022, 2:26 AM

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No

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(a + b)/(a + c) ≠ b/c

gritty rose Nov 14, 2022, 2:28 AM

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Also don't write integrals in terms of two different variables.

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Either the whole integral in terms of x or all of it in terms of u

torn jolt Nov 14, 2022, 2:28 AM

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torn jolt

You should simplify this first by factoring the x inside the square foot

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Square ROOT

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Not foot smh autocorrect

torn jolt Nov 14, 2022, 2:37 AM

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gritty rose Also don't write integrals in terms of two different variables.

i dont understand

eager violet Nov 14, 2022, 2:38 AM

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Try writing 3x² + 6 in terms of 2 + x²

torn jolt Nov 14, 2022, 2:39 AM

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eager violet Try writing 3x² + 6 in terms of 2 + x²

Wasn't this pretty much exactly like the other question lol

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Well, plus extra steps I guess

full forumBOT Nov 14, 2022, 2:52 AM

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@torn jolt Has your question been resolved?

full forumBOT Nov 14, 2022, 3:07 AM

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eternal solstice Nov 14, 2022, 3:11 AM

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If possible, could someone check to see if I did any errors

full forumBOT Nov 14, 2022, 3:11 AM

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eternal solstice If possible, could someone check to see if I did any errors

eternal solstice Nov 14, 2022, 3:12 AM

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First time applying Double angle identities and idk if I did this right

full forumBOT Nov 14, 2022, 3:27 AM

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@eternal solstice Has your question been resolved?

eternal solstice Nov 14, 2022, 3:36 AM

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.close

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torn jolt Nov 14, 2022, 3:44 AM

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hello

full forumBOT Nov 14, 2022, 3:44 AM

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torn jolt hello

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Please don't occupy multiple help channels.

torn jolt Nov 14, 2022, 3:44 AM

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can someone please solve these for me? i’m having a lot of trouble

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<@&286206848099549185>

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.skip

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.close

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full forumBOT Nov 14, 2022, 2:12 PM

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steady shuttle Nov 14, 2022, 2:22 PM

#

The CM ray intersects the parallel planes α and β at points M1 and M2, and the CR ray at points P1 and P2, respectively. It is known that M1P1: M2 P2=2:3. Calculate the length of segment M1M2, if KM1 = 8 cm.

full forumBOT Nov 14, 2022, 2:22 PM

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steady shuttle The CM ray intersects the parallel planes α and β at points M1 and M2, and the C...

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@steady shuttle Has your question been resolved?

full forumBOT Nov 14, 2022, 3:07 PM

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@steady shuttle Has your question been resolved?

steady shuttle Nov 14, 2022, 3:53 PM

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.close

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gaunt orchid Nov 14, 2022, 4:07 PM

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Can someone explain me how to solve questions like “Determine all values of x that have the same given Trigonometry ratio” with cos 225degree?

full forumBOT Nov 14, 2022, 4:07 PM

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gaunt orchid Can someone explain me how to solve questions like “**Determine all values of x ...

atomic blade Nov 14, 2022, 4:08 PM

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Find coterminal angles

gaunt orchid Nov 14, 2022, 4:09 PM

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Usually there will only be one extra value or multiple?

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Cos 225 coterminal angle is 135

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Is this the only answer for this

atomic blade Nov 14, 2022, 4:20 PM

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There's an infinite number of coterminal angles

full forumBOT Nov 14, 2022, 4:26 PM

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full forumBOT Nov 14, 2022, 4:41 PM

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clear juniper Nov 14, 2022, 4:44 PM

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Hey can someone help me with this problem.

full forumBOT Nov 14, 2022, 4:44 PM

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clear juniper Hey can someone help me with this problem.

solid totem Nov 14, 2022, 4:44 PM

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clear juniper Hey can someone help me with this problem.

Housed

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Yousef

#

solid totem Nov 14, 2022, 4:47 PM

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solid totem

Can anyone help me

torpid stag Nov 14, 2022, 4:49 PM

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solid totem Can anyone help me

This channels is occupied, please find another channel like for example #help-45

full forumBOT Nov 14, 2022, 4:59 PM

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@clear juniper Has your question been resolved?

clear juniper Nov 14, 2022, 5:02 PM

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.close

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torn jolt Nov 14, 2022, 5:08 PM

#

full forumBOT Nov 14, 2022, 5:08 PM

#

torn jolt

torn jolt Nov 14, 2022, 5:08 PM

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I don t understand

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how did he decide to be that t

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And x

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And dx

full forumBOT Nov 14, 2022, 5:23 PM

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@torn jolt Has your question been resolved?

full forumBOT Nov 14, 2022, 5:38 PM

#

Channel closed

Closed due to timeout

Use .reopen if this was a mistake.

#

Available help channel!

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Remember:
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flint geyser Nov 14, 2022, 5:42 PM

#

Hey, I need to solve the exact values of constant a. How would I go about doing that and have I done right till this point?

full forumBOT Nov 14, 2022, 5:42 PM

#

flint geyser Hey, I need to solve the exact values of constant a. How would I go about doing ...

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@flint geyser Has your question been resolved?

torn jolt Nov 14, 2022, 5:59 PM

#

flint geyser Hey, I need to solve the exact values of constant a. How would I go about doing ...

Solve the equation f(x) =0

flint geyser Nov 14, 2022, 6:00 PM

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What kind of expression do I make next?

old edge Nov 14, 2022, 6:28 PM

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flint geyser What kind of expression do I make next?

can u translate what it says

flint geyser Nov 14, 2022, 6:30 PM

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old edge can u translate what it says

I can try

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the ones with additional constants like a in this case are so hard for me

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so it says

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a) Check with applet, with which values of a the function f(x) value at x coordinate -3 is 6
b) Solve the constant a:s exact values

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applet is just a simple "game" or simulation with x and y axis

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u don't have to worry about that

flint geyser Nov 14, 2022, 6:59 PM

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!close

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burh

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I solved it

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Wasn't easy

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How do I close this

gritty rose Nov 14, 2022, 7:03 PM

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flint geyser How do I close this

type .close

gritty rose Nov 14, 2022, 7:03 PM

#

full forum

instructions here

flint geyser Nov 14, 2022, 7:03 PM

#

ty

#

.close

full forumBOT Nov 14, 2022, 7:04 PM

#

Channel closed

Closed by @flint geyser

Use .reopen if this was a mistake.

#

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Send your question here to claim the channel.

Remember:
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• Show your work, and if possible, explain where you are stuck.
• After 15 minutes, feel free to ping <@&286206848099549185>.
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• Be polite and have a nice day!

Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

sudden nova Nov 14, 2022, 7:06 PM

#

Does this answer seem right?

full forumBOT Nov 14, 2022, 7:06 PM

#

sudden nova Does this answer seem right?

sudden nova Nov 14, 2022, 7:09 PM

#

of drug users is very low, and hitting a false positive or false negative on them is quite low too, so 99.99... sounds about right - intuitively.

full forumBOT Nov 14, 2022, 7:24 PM

#

@sudden nova Has your question been resolved?

full forumBOT Nov 14, 2022, 8:02 PM

#

@sudden nova Has your question been resolved?

full forumBOT Nov 14, 2022, 8:32 PM

#

Channel closed

Closed due to timeout

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#

Available help channel!

Send your question here to claim the channel.

Remember:
• Ask your math question in a clear, concise manner.
• Show your work, and if possible, explain where you are stuck.
• After 15 minutes, feel free to ping <@&286206848099549185>.
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• Be polite and have a nice day!

Read #❓how-to-get-help for further information on how to ask a good question, and about conduct in the question channels.

signal thorn Nov 14, 2022, 8:38 PM

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full forumBOT Nov 14, 2022, 8:38 PM

#

signal thorn

signal thorn Nov 14, 2022, 8:38 PM

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where am i going wrong?

#

tender rain Nov 14, 2022, 8:39 PM

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$\frac{1}{x} = \frac{c}{1} - \frac{b}{a}$

signal thorn Nov 14, 2022, 8:40 PM

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hmm?

cloud shore Nov 14, 2022, 8:41 PM

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signal thorn

Correct

signal thorn Nov 14, 2022, 8:42 PM

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?

#

#

i have these as correct answers

deft zodiac Nov 14, 2022, 8:44 PM

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signal thorn ?

wait no

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how did u

signal thorn Nov 14, 2022, 8:44 PM

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im sorry im quite confused

deft zodiac Nov 14, 2022, 8:44 PM

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signal thorn ?

what did u do to get that

signal thorn Nov 14, 2022, 8:45 PM

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i might mess up stuff but 1/x is -x

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or do i have a brainfreeze atm

deft zodiac Nov 14, 2022, 8:46 PM

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um

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what step did u take

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how did u get from the previous to this

halcyon tree Nov 14, 2022, 8:46 PM

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I got D

deft zodiac Nov 14, 2022, 8:46 PM

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can u not

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just throw in answers

halcyon tree Nov 14, 2022, 8:46 PM

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Huh?

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Oh

deft zodiac Nov 14, 2022, 8:47 PM

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ask them what they did or guide them on how to

halcyon tree Nov 14, 2022, 8:47 PM

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Thow the b/a to the other side

deft zodiac Nov 14, 2022, 8:47 PM

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signal thorn

they got this which is ok so far

halcyon tree Nov 14, 2022, 8:47 PM

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Wait no, D is weong

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I think

deft zodiac Nov 14, 2022, 8:47 PM

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signal thorn ?

idk where this appeared from

signal thorn Nov 14, 2022, 8:47 PM

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yea i messed up

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i wanna swap 1/x to x

deft zodiac Nov 14, 2022, 8:48 PM

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mhm

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and what did u do

signal thorn Nov 14, 2022, 8:49 PM

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so to make it positive i have to swap other side also

halcyon tree Nov 14, 2022, 8:49 PM

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Yes

deft zodiac Nov 14, 2022, 8:49 PM

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no

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uve to do some steps

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idk what u are doing

signal thorn Nov 14, 2022, 8:49 PM

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idk before i was able to solve these for some reason im stuck here again

deft zodiac Nov 14, 2022, 8:49 PM

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where did a neg even appear from

halcyon tree Nov 14, 2022, 8:49 PM

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U only need 1 step to get x to tbe other side

deft zodiac Nov 14, 2022, 8:49 PM

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and what steps are u doing

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im so confused

halcyon tree Nov 14, 2022, 8:49 PM

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Wait, what neg

deft zodiac Nov 14, 2022, 8:49 PM

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signal thorn so to make it positive i have to swap other side also

idk

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the person was saying neg x n stuff

halcyon tree Nov 14, 2022, 8:50 PM

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Oh

deft zodiac Nov 14, 2022, 8:50 PM

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halcyon tree Yes

idk why u said yes

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i assumed u understood something

halcyon tree Nov 14, 2022, 8:50 PM

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Theg are talking about the c-b/a i think

deft zodiac Nov 14, 2022, 8:50 PM

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ive no idea what is being done rn

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lol

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just realised thats an a

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i thought its a q

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like

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lol

signal thorn Nov 14, 2022, 8:51 PM

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uhm

torn jolt Nov 14, 2022, 8:51 PM

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halcyon tree Wait no, D is weong

Yes it's wrong

signal thorn Nov 14, 2022, 8:52 PM

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damn i am really stuck now 😂

halcyon tree Nov 14, 2022, 8:52 PM

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torn jolt Yes it's wrong

I forgot ti flip it

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Right now the equation is

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1/x = c - b/a

signal thorn Nov 14, 2022, 8:52 PM

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yea

halcyon tree Nov 14, 2022, 8:53 PM

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And u want to get rid of the x from tbe bottom of the fraction

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Because that is causi mg problems

signal thorn Nov 14, 2022, 8:53 PM

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true

halcyon tree Nov 14, 2022, 8:53 PM

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So how do u do that

signal thorn Nov 14, 2022, 8:53 PM

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multiply by negative 1?

halcyon tree Nov 14, 2022, 8:53 PM

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Try again

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U multiply something, but not by -1

deft zodiac Nov 14, 2022, 8:54 PM

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well

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um

halcyon tree Nov 14, 2022, 8:54 PM

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Btw, if u multiple something on one side, u do the same on tbe other

deft zodiac Nov 14, 2022, 8:54 PM

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u can start with like making the 2 fractions 1

halcyon tree Nov 14, 2022, 8:55 PM

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deft zodiac u can start with like making the 2 fractions 1

That works too

deft zodiac Nov 14, 2022, 8:55 PM

#

#

c - b/a

signal thorn Nov 14, 2022, 8:55 PM

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c-b/a?

deft zodiac Nov 14, 2022, 8:55 PM

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yes

signal thorn Nov 14, 2022, 8:55 PM

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okay

halcyon tree Nov 14, 2022, 8:55 PM

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Try combining the fractions

signal thorn Nov 14, 2022, 8:56 PM

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now i need to flip the nominator and denominator

halcyon tree Nov 14, 2022, 8:56 PM

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Try again

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How do u normally add fractions

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For example, 1/5 + 3/5

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What would it be

signal thorn Nov 14, 2022, 8:57 PM

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4/5

halcyon tree Nov 14, 2022, 8:58 PM

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How about 1/2 + 1/4

signal thorn Nov 14, 2022, 8:58 PM

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3/4

halcyon tree Nov 14, 2022, 8:58 PM

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Good

deft zodiac Nov 14, 2022, 8:58 PM

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um

halcyon tree Nov 14, 2022, 8:58 PM

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Now how did u add them

deft zodiac Nov 14, 2022, 8:58 PM

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$\frac{a}{b} + \frac{c}{d} = \frac{ad + bc}{bd}$

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oh

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did texit die

signal thorn Nov 14, 2022, 8:59 PM

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think it did

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well by finding a commen denominator

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so i have to do the same here

halcyon tree Nov 14, 2022, 9:00 PM

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Yes

signal thorn Nov 14, 2022, 9:00 PM

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which would be X(a)

halcyon tree Nov 14, 2022, 9:01 PM

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Right now u have c/1 - b/a

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What’s the common denominator of the fractions

signal thorn Nov 14, 2022, 9:01 PM

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1(a)

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?

halcyon tree Nov 14, 2022, 9:01 PM

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Yes

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So what would it become

signal thorn Nov 14, 2022, 9:03 PM

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ca - ba idk damn its far on this exercise

halcyon tree Nov 14, 2022, 9:04 PM

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Thats incorrect, lets look at it like this

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Write 1/2 + 1/4 in terms of the denominator 4

signal thorn Nov 14, 2022, 9:05 PM

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2/4 + 1/4

halcyon tree Nov 14, 2022, 9:05 PM

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So what did u do to the first fraction

signal thorn Nov 14, 2022, 9:05 PM

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multiply by 2 to have denominator 4

halcyon tree Nov 14, 2022, 9:05 PM

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Yes, the top and bottom

signal thorn Nov 14, 2022, 9:05 PM

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so ca/a - b/a

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?

halcyon tree Nov 14, 2022, 9:05 PM

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Yes

signal thorn Nov 14, 2022, 9:06 PM

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okay got that part now

halcyon tree Nov 14, 2022, 9:06 PM

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So what would the equation so far be

signal thorn Nov 14, 2022, 9:06 PM

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we can write is as ca - b/a

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X = a/ca +b

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?

halcyon tree Nov 14, 2022, 9:07 PM

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(ca- b) / a

signal thorn Nov 14, 2022, 9:08 PM

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as we flip the denominator we have to change from neative to positive no?

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or opposite

halcyon tree Nov 14, 2022, 9:09 PM

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Why did h flip it

signal thorn Nov 14, 2022, 9:09 PM

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or is it simple as a/ca -b

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1/x

halcyon tree Nov 14, 2022, 9:09 PM

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That is not how h get rid of the fraction 1/x

signal thorn Nov 14, 2022, 9:10 PM

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hmm

halcyon tree Nov 14, 2022, 9:10 PM

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Just write it in terms of 1/x= …

signal thorn Nov 14, 2022, 9:11 PM

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1/x = (ca -b)/a

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so

halcyon tree Nov 14, 2022, 9:11 PM

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Yes

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We are making progress

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So, how do u get rid of the x from the denominator

signal thorn Nov 14, 2022, 9:14 PM

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multiply by x would give us 1

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so thats not whats needed

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1/x is same as x to the negative power 1

halcyon tree Nov 14, 2022, 9:16 PM

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If u multiple by x, what would happen on both sides

signal thorn Nov 14, 2022, 9:17 PM

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1 = x (ca-b/a)

halcyon tree Nov 14, 2022, 9:17 PM

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We are getting closer

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So how do u make x by itself

signal thorn Nov 14, 2022, 9:19 PM

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-x + 1 = (ca-b/a)

halcyon tree Nov 14, 2022, 9:19 PM

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Ni

signal thorn Nov 14, 2022, 9:19 PM

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im wrong here

halcyon tree Nov 14, 2022, 9:20 PM

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X(ca-b/a)Is a fraction

signal thorn Nov 14, 2022, 9:20 PM

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oh

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x multiply by the fraction

halcyon tree Nov 14, 2022, 9:20 PM

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Lets make an example

signal thorn Nov 14, 2022, 9:21 PM

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sorry for this

#

i feel like once i get this i can move further 🙃

halcyon tree Nov 14, 2022, 9:21 PM

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1 = X x B

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How do u make x the shbject

halcyon tree Nov 14, 2022, 9:21 PM

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signal thorn sorry for this

I dont mind

signal thorn Nov 14, 2022, 9:21 PM

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1/x = b

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oh no

halcyon tree Nov 14, 2022, 9:22 PM

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U made b the subject

signal thorn Nov 14, 2022, 9:22 PM

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1/b = x

halcyon tree Nov 14, 2022, 9:22 PM

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Yes

#

Its basically the same situation as the equation we have

signal thorn Nov 14, 2022, 9:23 PM

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x = -1 (ca-b/a)

halcyon tree Nov 14, 2022, 9:23 PM

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No

#

1 = x (ca-b/a)

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Make x the shbject

#

We said that 1 = xb is the same as 1/b = x

signal thorn Nov 14, 2022, 9:23 PM

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1 - (ca-b/a) = x

halcyon tree Nov 14, 2022, 9:24 PM

#

Try again

signal thorn Nov 14, 2022, 9:24 PM

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sorry wrong sign

#

1/(ca-b/a) = x

halcyon tree Nov 14, 2022, 9:24 PM

#

Yep

#

Now

#

Thing if it like this now

signal thorn Nov 14, 2022, 9:25 PM

#

(ca-b/a)

#

= x

halcyon tree Nov 14, 2022, 9:25 PM

#

1/1 divided by ca-b/a

halcyon tree Nov 14, 2022, 9:25 PM

#

signal thorn - (ca-b/a)

Nope

halcyon tree Nov 14, 2022, 9:25 PM

#

halcyon tree 1/1 divided by ca-b/a

What happens when u need to divide a fraction

signal thorn Nov 14, 2022, 9:26 PM

#

a / ca-b

#

because u multiply the nominator by the denominator from the other fraction

halcyon tree Nov 14, 2022, 9:27 PM

#

Yes

#

So what would be the final equation be

signal thorn Nov 14, 2022, 9:27 PM

#

x= a/ca-b

halcyon tree Nov 14, 2022, 9:27 PM

#

Yes

signal thorn Nov 14, 2022, 9:27 PM

#

answer A

halcyon tree Nov 14, 2022, 9:27 PM

#

U got there :D

signal thorn Nov 14, 2022, 9:27 PM

#

i see now

halcyon tree Nov 14, 2022, 9:28 PM

#

Oh wait

#

A?

signal thorn Nov 14, 2022, 9:28 PM

#

C sorry

halcyon tree Nov 14, 2022, 9:29 PM

#

Yes

signal thorn Nov 14, 2022, 9:29 PM

#

i didnt learn algebra at school and i am trying to learn it with udemy

#

it comes with struggles

halcyon tree Nov 14, 2022, 9:29 PM

#

Ic

signal thorn Nov 14, 2022, 9:29 PM

#

🙃

halcyon tree Nov 14, 2022, 9:29 PM

#

School definitely gives a bit if a boost with the basics but as u progress, its mostly about your own studies imo

signal thorn Nov 14, 2022, 9:29 PM

#

i will get there only doing it for 1 month now

#

yea for sure

#

i am trying to reschool myself for a new job

#

which ofc isnt easy

halcyon tree Nov 14, 2022, 9:30 PM

#

Yea, i could imagine

#

Good luck

#help-28

of drug users is very low, and hitting a false positive or false negative on them is quite low too, so 99.99... sounds about right - intuitively.