help-28

[hot knoll]

Ooos

Oops

Minus 2logx

On both sides

Just to make sure we're on the same page @torn jolt

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[paper bane]

So working on b

[paper bane]

Basically did this with 2.9m/s^3 as ax, 10s as the top t, and initial V as 0

Im guessing its that time is ^3 that im missing something but im unsure

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[errant agate]

I've got a question on my homework, it's the limit of the function int(x) (the parent integer function, not an integral) as x-> 1/2
My book says there's a left and right hand limit but that's because at each integer, the line of the function moves up by one (it looks like a stair)
What in getting at is, do I have to worry about both the left and right limits or am I good because they're the same?

[hot knoll]

For any function you always need to consider left and right

Step functions are definitely ones where it matters

If you go to where you switch stairs

The values are different from left and right

Butty if you're in between

[errant agate]

Yeah, that part makes sense, but in my case, the limit is in the middle of one of the steps, not on the shift

[hot knoll]

Yea

Then you're good it would just be whatever integer

[torn jolt]

I saw It again I got It right there is no mistake on It, what I should have done is to devide to 2 in the last expression so it would be log x = 3^1/2 which means root of 3

[errant agate]

Ok, thanks

[torn jolt]

i just stayed with 2.logx = 3 log 3

[hot knoll]

Oh ok great glad you figured it out

[torn jolt]

me too thanks haha i wawas freaking out

just realized having dinner

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[gleaming dome]

does the c value have to be within the interval?

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@gleaming dome Has your question been resolved?

[hot knoll]

It says it must be

[gleaming dome]

oh wait 1 - sqrt3/3 is within the interval

ONE MORE QUESTION THO

ik my answer isn't correct

But how would it be any of these answers?

I added the first two intervals as it is since f(x) is within an abs val'

[hot knoll]

Did they say anything else about f?

[gleaming dome]

Heres the graph

from [-5,4]

I'd assume that the interval from -4 to 3 would be negative

but the absolute value made me think otherwise

[hot knoll]

What did you get when you added the 2

[gleaming dome]

366/6 😭

wait

[hot knoll]

Did you try simplifying

The answers will always be in simplest form

[gleaming dome]

thats 61

[gleaming dome]

is E correct?

[hot knoll]

That's what i got

[gleaming dome]

👍

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[full forum]

@frank sable Has your question been resolved?

[queen crater]

You just want to pick y between x and 1

There's a fairly natural way to pick a number between two numbers

@frank sable ?

If I give you two numbers a and b, can you give me a number in between?

...which one?

Sure, what is that in terms of a and b?

Yes

Also called the mean or average

What's a number between x and 1?

✅

Because it says y is in [0;1) so y < 1, and the point is to have y > x too

So x < y < 1

Into y = (x+1)/2, yeah

Can you write (x+1)/2 differently?

✅

Yes

Exactly

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[slow sleet]

am i right with C here?

<@&286206848099549185>

[granite tide]

u gotta wait 15 mins

or smth like that

[slow sleet]

oh really??

i'm sorry man

[austere cove]

Can you define "end behavior?"

and yeah, you're supposed to wait 15 minutes before pinging.

It's a pretty big problem, and I actually turned off pings because so many people weren't following the rules.

[slow sleet]

end behavior refers to a behavior of a function as the input values approach positive or negative infinity. this is what i have in my notes

[slow sleet]

i get that wont happen again

[austere cove]

ok, so, taking C for instance

as t goes to negative infinity what happens to f(t)?

what about g(t)?

[slow sleet]

so f(t) decreases approaches negative infinity

[slow sleet]

g(t) increases, approaches positive infinity

they dont share the same end behavior

[austere cove]

so uhh

you are correct that they do not share the same end behavior

but nothing else was correct.

[slow sleet]

oh

wait then what

[slow sleet]

i'm thinking D now

[austere cove]

Ok so as t gets smaller do we move left or right on the graph?

@slow sleet

[slow sleet]

we move left

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[full forum]

Please don't occupy multiple help channels.

[lyric quail]

i was hinted to flip the bits somehow, but i cant quite wrap my head around it

@neon crystal

so the previous one was the one i did earlier, i think u had a look already

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[lyric quail]

but 12 here is what im trying to wrap my head around

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[azure tendon]

helo

[azure tendon]

i just wanna make sure

x^2 * y^2 = (xy)^2 right?

[fervent owl]

yes

[azure tendon]

ok ty

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[runic heath]

How do I do any of this

[runic heath]

Apparently calculus is physics now

I never studied physics

[short niche]

rate of change of displacement gives u velocity

[runic heath]

What is rate of change of displacement

[short niche]

derivative

dy/dt=v

[runic heath]

Wait really??

So this whole thing is just a fancy way of saying find the derivative?

[short niche]

yea

very fancy

[full forum]

@runic heath Has your question been resolved?

[runic heath]

How do I do part 3?

I thought it’s 0 cuz it’d be -32(0) which would be 0

But they said height is 0 not velocity

But what’s height

[runic heath]

I solved that

[dusky root]

The height is zero in this case which means your position is 0

[runic heath]

You solve for y haha

[dusky root]

Good job

[runic heath]

But what do I do here?

I need to solve for t again

Do I factor this?

[dusky root]

Which part

[runic heath]

-16t^2+256t

I need to solve for y again like when the ball hits the ground

In the previous part I moved t^2 to the other side of the equation

But here I have both t^2 and t

[dusky root]

You’re looking for what time the position is zero?

[runic heath]

Yes

[dusky root]

You can use completing the square or quadratic formula

[runic heath]

C=0?

[dusky root]

Yes

[runic heath]

Thank you😄

I got 0 and 16 and it takes neither as an answer🥲

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@runic heath Has your question been resolved?

[runic heath]

Ohh it’s vertex

It asks for maximum height not when it touches the ground lol

So x1+x2/2

16+0/2

8

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[dusky root]

,rccw

[torn jolt]

oops

i think the answer is D?

so youre drawing a circle on a graphing paper

and the origin is 0,0

there are 4 points that it touches

on the graph

[lime ether]

is there more context

[torn jolt]

not at all

thats just the question

im telling you what i am thinking and asking if i am right

so if a circle has a radius of say 1

the circle can be graphed

(0,1) , (-1,0) , (0,-1) and (1,0)

[lime ether]

"given that all points on the circle are the same distance from the origin" is probably the dumbest thing i’ve heard today

[torn jolt]

and the one on top is (0,1)

[lime ether]

like no kidding it’s a circle centered at the origin.

[dusky root]

Exactly

[dusky root]

So the unit circle

[lime ether]

this question is stupid

there has to be more context

two points are on the positive y axis lol

they don’t say anything about the radius

who’s to say whether the radius is 3sqrt(2),3,10,2,9,69 etc

[torn jolt]

no context

[lime ether]

didn’t need to see the happy trail

💀

[torn jolt]

sorry i took a weird pic

[lime ether]

no problem

[torn jolt]

ok

[lime ether]

yea there are two answers

[dusky root]

B and D?

[torn jolt]

so its 0, and the positives

[lime ether]

x=0 is the y axis

[torn jolt]

thats what i was thinking

[lime ether]

yea

so long as you have a point (0,r) where r>0

[torn jolt]

ty

but if i had to guess, im thinking 3 radical2 cant be graphed by their logic

to round it down for one answer

[lime ether]

they have no logic

[torn jolt]

i feel like both b and d is the answer

i dont disagree

[lime ether]

they said "given that all points on the circle are the same distance from the origin" lol

[torn jolt]

but if i had to pick one lol

[lime ether]

what logic

[lime ether]

you don’t

[dusky root]

Pick both and make a complaint

[lime ether]

whoever wrote this question is horrible at math

[torn jolt]

lmao

[lime ether]

tell em that

clearly they don’t know what a circle is

[torn jolt]

i dont know how to explain lol

whats a proper way of wording it

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[charred laurel]

How do I go about this problem?

[charred laurel]

.close

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[fair escarp]

hello

[short niche]

hi zoro

[austere cove]

!da2a

[full forum]

No need to ask “Can I ask…?” or “Does anyone know about…?”—it’s faster for everyone if you just ask your question! See https://dontasktoask.com/

[short niche]

they didnt

they just came to say hi

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[gusty bloom]

last question!! I need help on this then I’m done for tonight

[craggy tapir]

what have you tried?

[gusty bloom]

nothing. I’m super confused, I’m thinking about trying to divide b to isolate it and then dividing v or something

I’m not really sure

[craggy tapir]

you are on the right track

[gusty bloom]

o I mean h not b

[craggy tapir]

now you are on the wrong track

[gusty bloom]

whaaaaaa

[craggy tapir]

you are given the formula of the volume is

[craggy tapir]

and it is asking you to derive the formula for h from this

so...?

[gusty bloom]

So…?

uhh I dunno that’s why I came here for help

[craggy tapir]

treat B/3 as a constant

[gusty bloom]

I have no idea um what u are talking about I just started freshman year idk how to do math

[craggy tapir]

i didnt know theres a separate server for en pjsk

[gusty bloom]

WHAT

HOW DI U RECOGNIZE THAT

[craggy tapir]

cuz i play it too?

[gusty bloom]

oooh cool!!!!

[craggy tapir]

anyway, the thing you said about isolating h is correct

get h to one side and everything else to the other side

[gusty bloom]

yea so uhhhh

do I

like

divide b or h

[craggy tapir]

divide B

[gusty bloom]

cus then I could get vh or something and divide v

[gusty bloom]

o okay

okay so v/b = 1/3h?

[craggy tapir]

yes, and now get the 1/3 to the other side too

[gusty bloom]

uhhh uh uh how

how could I divide that

[craggy tapir]

multiplying by 1/3 is dividing by 3

[gusty bloom]

Vx1/bx3? or like plus or minus

[gusty bloom]

ooooh

but I already have a fraction how do I divide that

[craggy tapir]

what i meant is these 2 things are completely the same

how do you solve for $x$ in $\frac x 3=6$?

[gusty bloom]

multiply by x?

so 3 = 6x?

or no

sigh

cross multiply?

x/3 = 6/1 or 1/6

[craggy tapir]

overcomplicated

[gusty bloom]

okay well idk what to dooooo

[craggy tapir]

you multiply by 3 on both sides

that's it

[gusty bloom]

wait so

[hexed hearth]

So that you get rid of the 3 at the denominator and you only have x left

[gusty bloom]

so

[hexed hearth]

so we can get the sure value of x and not x / 3

[gusty bloom]

V/b = x..?

oh

o

[craggy tapir]

wrong

[gusty bloom]

okay dang 😭

[hexed hearth]

3v/b = x

[gusty bloom]

okay

[craggy tapir]

right now you are having h/3 = V/B

[hexed hearth]

cause you multiplied both sides by 3

[gusty bloom]

what the flip

ok I’m failing math

what is this

[hexed hearth]

what did you not understand

[gusty bloom]

.everything

[hexed hearth]

nah nah you're good bro 😂

[gusty bloom]

why wouldn’t it be v/b = h

if ur getting rid of 1/3

by multiplying

what

AUGHH

[hexed hearth]

you cant get rid of the 1/3 without balancing it out right so if you multiply 3 on the right hand side of the equation you have to multiply on the left hand side as well

on the right hand side it becomes 3/3 = 1

on the left hand side it stays as it is cause there's no 3 in the denom to make it 1

[gusty bloom]

ok I don’t understand how that makes it wrong

sigh

I mean it’s js homework idrc…

AAAAAAAA

ughhhhhh

why is math so complicated

[hexed hearth]

if you multiply one side of the equation by smth you NEED to multiply the other side of the equation by the same thing

its called an equation for a reason cause both sides have to be balanced

imagine a weighing scale if you put 2 other bananas on one side you need to put an equal amount on the other side to keep it equal

hence the term "equation"

[gusty bloom]

so 3v = bh

Thats what I’m seeing

[hexed hearth]

Yes

[gusty bloom]

.o

I thought that was wrong

COUGHH

[hexed hearth]

but did you get how 😂

[gusty bloom]

why does b magically switch tho???

[hexed hearth]

wdymm

how'd it magically switch bro

b is b

base

have they not taught you algebra in school?

[gusty bloom]

sigh idk

I don’t know what’s happening

I just spawned

so do I divide by 3 next

I’m. so confused

how the flip would I isolate h then

UGHH

I wanna go to bed

and there’s a part 2

I thought this would be a quick last quesiton

question

help meeeeeeee

wait

do I didvide b

wait why am I smart

omg

I do divide b don’t I

omg I’m such a pro

so is it 3v/b=h

ok idc if that’s wrong im done

it’s right in my world

I’m done

I’m so smart

I think

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[hexed hearth]

yup

[hexed hearth]

so smart

[gusty bloom]

yippee!! thankyou

[gusty bloom]

heh

[hexed hearth]

No problem jus make sure you ask your teachers for some help w algebra

the basics at least

or learn it from khan academy

[gusty bloom]

I try to but she yells at me or just uses a super harsh tone lol

[gusty bloom]

legit my saviors

[hexed hearth]

then use khan academy

[hexed hearth]

Ikr

[gusty bloom]

will do def

tysm!

[hexed hearth]

Np now go sleep lmao

[gusty bloom]

I willlllaaa

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[warm phoenix]

Hello, I was reading a proof from a textbook and the second to last line in the image attached is kinda confusing me, could someone explain how this is a valid step?

[warm phoenix]

the inequality comes from this, but I dont see how the sqrt() isnt also taken within the expectation by this logic of using jensen's inequality

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@warm phoenix Has your question been resolved?

[gritty rose]

They do the square power first using Jensen's, then square root both sides

Square root is monotonic

[warm phoenix]

oh my god its that simple

man i need sleep, thanks for the help

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[sly tendon]

not sure how to do this gang

[plush mural]

Uhhh this is a terrible answer but like use ur brain
when the jug is wider slope of line is smaller, when the jug is thinner slope of line is higher

ex 64 water height is increasing at a constant rate

so just a linear function

[sly tendon]

on the answer key, 63 is a cubic function almost

[plush mural]

ye

thin > fat > thin

steep > not steep > steep

[sly tendon]

thats stupid it should start where the water is already drawn

[plush mural]

LMAOOO

[sly tendon]

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[torn jolt]

Is this correct? If it isnt correct, my science teacher is wrong.

[coarse chasm]

Which one?

[torn jolt]

Everything.

Please hurry, my class is about to submit

[wary widget]

which one bro

[coarse chasm]

I mean... looks fine? Is there some reason you think one of these is wrong?

[torn jolt]

My teacher thinks everything is wrong

[onyx sleet]

Maybe you need to write it in scientific notation for all of them?

[torn jolt]

No

My answer is wrong based on my teacher

I do NAHT know how or why

My scientific calc also says its right

For example, no.2

7.8 x 10 ^32

i dont know how that is correct

[onyx sleet]

Are your conversion rates correct?

[torn jolt]

I think so, yes

This is what i based on

[short niche]

i have never seen an exa being used

[torn jolt]

Ye

But still

I need a professional

Who can check if my answers are right or wrong ehe

My teacher MIGHT be stupid

[rare dock]

[coarse chasm]

Hi layla

[short niche]

hi layla!

your teacher should tell u directly which is wrong :(

[rare dock]

hello

[torn jolt]

Yes

She did

But

Her solutions doesnt make sense

EAAHH

can you guys send the correct solution, which i will show to my teacher in order to defend my answers?

[onyx sleet]

If those questions are correct idk how ur teacher got this

[torn jolt]

Yeah EXACTLY BRO

[onyx sleet]

Exa to tera is NOT that much

[torn jolt]

Yea

YEAHH

😭

i already used so much diff calculators to defend

she still wont accept my defense

[onyx sleet]

Ahh yes, 780000000000000000000000000000000terabytes is definitely 780 exabytes

[torn jolt]

Yea

LMAO

can u create a

Solution which i will show to my teacher in order to defend my answers

[clear reef]

it's always the science teachers telling you that your calculations are wrong 😔

my teacher legit told me my calculator was broken even though i did it in front of her like 5 whole ass times

[torn jolt]

YEA EXACTLY AGAIN

[onyx sleet]

Tell her to convert 7.8x10^32 terabytes to exabytes on the calculator

[torn jolt]

can yall create a so.ution in orde for me to defend my snswers

She doesnt use a

Calculator

Shes some idiotic smart ahh

[onyx sleet]

Show her on computer

[torn jolt]

mbsorry

show me a solution pls

I will defend

[onyx sleet]

“Its hard to argue against a smart person, but its even harder to argue against an stupid person” type shi

[torn jolt]

lol

Can u create a solution to defend my answer in no 2

[onyx sleet]

I dont have computwr rn 😭

[torn jolt]

write on paper pls

[onyx sleet]

🤯

[onyx sleet]

Bro it’s exactly what you wrote

[torn jolt]

Huh

[short niche]

i would convert it both to meters

makes it easier to see

[torn jolt]

e

[short niche]

that's her job though not yours...

[onyx sleet]

Guys i dont think 780 = 7.8*10^26

[torn jolt]

me neither dawg

[onyx sleet]

You literally showed your work on paper theres nothing else to prove

[torn jolt]

exactly

I do NOT KNOW HOW

it is wrong

[onyx sleet]

Its not bruh

[torn jolt]

lets see

My teacher is abt to do it again

I asked her to show

Hold on

its still raised to 32

WHAT

[onyx sleet]

Bro is she just multiplying 10^18 by 10^12 and then by 780

That is NOT how it works

[torn jolt]

exactly

People fighting with calculators are idiots

[onyx sleet]

We are not looking for no tera-exabyte bruh

[torn jolt]

eugh

her answer is close this time

7.80x10 ^6

hows it 6

[short niche]

your teacher is quite something...

[onyx sleet]

Where did the 780 go how did it turn into 7.8

[torn jolt]

mhm

[torn jolt]

I do not know

[onyx sleet]

Your teacher is on the good stuff

[torn jolt]

lmao

nyways

bye bye

i will go now

[onyx sleet]

Gl

[short niche]

i hope your teacher understands someday

[torn jolt]

ril

.close

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[wet bison]

I need help with sequence and series

[wet bison]

i can do the basic adding and subtracting but i dont know how to use the formulas

G10 here

[full forum]

@wet bison Has your question been resolved?

[inland siren]

Can you post a question you’re struggling with, I can try to help but I might be a bit rusty @wet bison

[wet bison]

I have no idea wth an S is. I was keeping up the first month but when teacher pulled out find ratio this sum that i had no idea what ws happening around

[inland siren]

I believe Sn is referring to the sum of the series up to the n-th place

so for example if the series was 1, 2, 3, 4, 5 and you were told to found $S_{3}$ then $S_{3}=1+2+3$ as 1,2,3 are the first 3 elements in the series

make any sense?

[glossy valve]

epi

[inland siren]

@wet bison

have you learnt log rules?

[wet bison]

No whats that?

[inland siren]

no sorry i got confused

ignore that

did the above stuff make any sense for you

[wet bison]

So S3 is basically a3?

Or s3 means i gotta add the first three terms

1+2+3= 6
s3=6??

[wet bison]

What is nth?

[inland siren]

Nth is the 1st, 2nd, 3rd, 4th, 5th, … value of n

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[dire flame]

just wondering if i did it correctly? Maybe not good wording but if the process is correct?

[full forum]

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[dire ocean]

can someone help with this

im not sure where to start

also regulation = the ax+b thing, its google translated

[static bramble]

,rccw

[timid iris]

L(8) means you should substitute 8 wherever you see t

In this case 1150 + 7/2*8

[dire ocean]

where do you get those numbers from

: (

[timid iris]

Do you know how to solve a linear equation in 1 variable?

[dire ocean]

im slow in math

[timid iris]

Oh np

[dire ocean]

ehh can you give an example, english isnt my first alnguage so im not sure what you mean

[timid iris]

You have f(t) = 1150 + 3.5*t

[dire ocean]

yes

[timid iris]

No problem

So now put t= 8

Because you want f(8)

[dire ocean]

f (8)=1150+3.5*8?

[timid iris]

Yes

Correct

[dire ocean]

do we have to keep the f in

[timid iris]

?

[dire ocean]

in the beginning of the equation

[timid iris]

Yes

[dire ocean]

does it stand for function?

[timid iris]

f means function

basically function in t

[timid iris]

Meaning t is a variable in this

[dire ocean]

yes

[timid iris]

So did you complete this part?

[dire ocean]

putting the 8's in? then yes

[timid iris]

Yes

Btw what is your first language

[dire ocean]

danish

[timid iris]

Oh I don't know Danish

Should we start the next part?

[dire ocean]

yes please

and all the danish terms are differeeeent

[timid iris]

Ohh

[dire ocean]

doesnt help with my lack of math skills

[timid iris]

For this you are given f(t) = 1200

[dire ocean]

yes

[timid iris]

And we know that f(t) is 1150 + 3.5*t

[dire ocean]

yeah

[timid iris]

Do you see where this is going?

[dire ocean]

is it going to be the thing where i solve things on both sides?

is there an x??

[timid iris]

Yes

Instead of an x we have a t

[dire ocean]

ohh

[timid iris]

Which is basically the same thing

[dire ocean]

but its an 8 now?

[timid iris]

From the above 2 things we can say that 1150 + 3.5*t = 1200

[timid iris]

I don't think so

[dire ocean]

so we dont change it to 8's?

[dire ocean]

im confused:(

[timid iris]

No

hmm

See

F(t) is 1150 + 3.5t

And according to the part f(t) is 1200

So 1150 + 3.5t is 1200

[dire ocean]

i think i understand, but just to be sure, what part are you speaking about?

the next task?

[timid iris]

Second part

[dire ocean]

or did you solve

[timid iris]

b)

[dire ocean]

i think i get

yes

okay

[timid iris]

Nice

so now both a and b are done right?

[dire ocean]

wait what were the answers

[timid iris]

I should not tell you the answers

Only method

[dire ocean]

yes i understand

can you maybe guide me tho

just to be sure

we have the equation and i need to solve it

[timid iris]

Were you able to simplify this?

[dire ocean]

8=1150+3.5*8?

[timid iris]

What is the value of 1150 + 3.5*8?

[dire ocean]

1200?

[timid iris]

No

[dire ocean]

oh

hold on

[timid iris]

What is 8*3.5?

[dire ocean]

28

?

[timid iris]

Yes

Correct

[timid iris]

?

[dire ocean]

1178?

[timid iris]

Yes

So now a) is done

Let's start b)

[dire ocean]

okey

[timid iris]

Are you ok with this?

[dire ocean]

thank you for your patience btw

[dire ocean]

im still a bit confused to be honest:(

[timid iris]

Ohh

Well let's see it like this

A cookie jar has 10 cookies

Every day 2 are eaten

So we can say that number of cookies will be 10 - 2*x

?

[dire ocean]

yeah

ive never seen it put like that

[timid iris]

Ok so now tell me after how many days

[dire ocean]

5?

[timid iris]

4 cookies will be left

[dire ocean]

3

?

[timid iris]

That is correct but for when no cookies left

[timid iris]

CORRECT

We are doing the same thing

Instead somehow the number of cookies is increasing by 3.5

And initially we have 1150 cookies

[dire ocean]

yes okay

[timid iris]

How does this feel?

[dire ocean]

i think i understand it better now thank you

:, ))

[timid iris]

Wlcm

So now can you solve for t?

[dire ocean]

what we did now?

[timid iris]

1150 + 3.5*t = 1200

Can you solve this equation?

[dire ocean]

no:(

[timid iris]

Oh lol

[dire ocean]

sorryy

im slow in math

mega slow

[timid iris]

For such things you should separate the variables and constants

Can you tell me what the variables and constants are in this?

[dire ocean]

arent the variables the unknowns?

[timid iris]

Yeak

Yeak

Yeah

[dire ocean]

so t?

[timid iris]

Yes 3.5t

[dire ocean]

oh

[timid iris]

And constant?

[dire ocean]

1150?

[timid iris]

And?

[dire ocean]

1200..?

[timid iris]

Yes

[dire ocean]

what exactly are constants

[timid iris]

So now let's keep variables and constants on seperate sides

Numbers that don't change like 5

Basically numbers are constants and letters are variables

[dire ocean]

ah okay

oh like x & y

[timid iris]

.

[dire ocean]

yes

[timid iris]

Yes

[dire ocean]

so we have to move it?

[timid iris]

Yeah

[dire ocean]

how? minus??

or like actually move

[timid iris]

Yeah

Both works

[dire ocean]

what would you do

[timid iris]

I would move

[dire ocean]

what would it look like

[timid iris]

You should tell me

[dire ocean]

hm okay

[timid iris]

You are very smart lol

[dire ocean]

sorryyyy:,)))

[dire ocean]

this right?

[timid iris]

Yes

Now move/minus

[dire ocean]

with the 1200?

minus 1200 on both sides?

[timid iris]

Yes

[dire ocean]

wait shouldnt it be 1150 on both sides

[timid iris]

Yes correct

[dire ocean]

okay so

50+3.5*t

?

[timid iris]

=

[dire ocean]

where

grahhhh

[timid iris]

Instead of +

[dire ocean]

oh

[timid iris]

So what is the value of t?

Tell me the fraction

[dire ocean]

im not sure where to go from there

division???

wdymm

[timid iris]

Yes

[dire ocean]

do i devide 50 with 3.5?

[timid iris]

Yes absolutely

[dire ocean]

14,29?

what about the t

what did i dooo

[timid iris]

This is the value of t

Correct

[dire ocean]

ah

[timid iris]

This means that the bamboo will be 1200 on 14.29 days

[dire ocean]

ohh

omfg

[timid iris]

Lol

[dire ocean]

so sorry

when i see numbers my brain farts

[timid iris]

😂

[dire ocean]

wait and what was the meaning of 3.5

[timid iris]

Should we move to the c) part?

[dire ocean]

yeah:(

[timid iris]

Can you send the ques again?

[dire ocean]

yes

two sec

[timid iris]

Ok

So what do you think 3.5 and 1150 means?

[dire ocean]

i have no idea, you mentioned that we intially had 1150?

but im not sure

[timid iris]

Yes

Try guessing

Use the cookie example

What did 10 and 2 means there?

[dire ocean]

it grows 3.5 a day?

[timid iris]

Yes

[dire ocean]

let me look two sec

wait i dont know 1150

the start point?

[timid iris]

Yes

[dire ocean]

as in time?

[timid iris]

No not in time

[dire ocean]

length?

[timid iris]

Yes

[dire ocean]

ah

omg

[timid iris]

Done lol

[dire ocean]

the start length was 1150???

[timid iris]

Only took like 30 mons

[dire ocean]

also thank you so much

nooo

lmao

hope youre still sane

sorry

[timid iris]

[dire ocean]

😭

[timid iris]

Npp

[dire ocean]

how does a bamboo start at 1150

what

[timid iris]

What time is it for you?

[dire ocean]

22:50

i still got more tasks..

[timid iris]

Oh it's 2:30 for me

[dire ocean]

its due tomorrow

awhhh whattt

what country?

[timid iris]

AM

[dire ocean]

WHAT

go to sleep!?

[timid iris]

Gotta sleep

[dire ocean]

yeah!

omg

goodnight

[timid iris]

India

[dire ocean]

ooooooh nice

[timid iris]

Same to you

[dire ocean]

thanks:,)

[timid iris]

Friends?

[dire ocean]

yes

😎

[timid iris]

Nicee

Gn bye

Use .close if your done

[dire ocean]

ohh okay

goodnighttt

.close

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[knotty flame]

Any way of computing the above without taking ages?

I think our professor mentioned changing the "t" parameter with an "s"

but we didn't finish the whole thing

[gritty rose]

!msgdel

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[knotty flame]

Oh

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[crimson remnant]

help

[gritty rose]

multiply by alpha^(m-n) to the top and bottom

[crimson remnant]

you mean this?

[void nova]

Yep exactly

[crimson remnant]

answer is 1??

oh no sorry

alpha^(n-m)

[void nova]

That's almost correct

Now you only have to do lim alpha→0 of that

You'll have to distinguish among 3 cases:

1. n = m
2. n > m
3. n < m

[crimson remnant]

i understand that first is 1

i didnt get next

bc alpha approaches to +0

who can explain

[gritty rose]

This is just a typo

[torn jolt]

i guess too

[crimson remnant]

ok

whats next

🫠

i dont undestand

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[uneven eagle]

Hi I need help with 13.

[ocean jackal]

Could you translate this in English

[uneven eagle]

K is a whole number

[ocean jackal]

Yea

[uneven eagle]

Positive whole number

And x y is rational numbers

[ocean jackal]

Ok

And?

[uneven eagle]

And this part is

[serene hazel]

,rccw

[serene hazel]

chinese

[uneven eagle]

I know the next sentence means that the √k-√288 decimal point is 2-√2

Yeah it wants to find out k x and y

[green merlin]

Taiwanese

[ocean jackal]

They have the same fractional part?

[green merlin]

设k为谁正整数means k is positive integer

[uneven eagle]

It's like 2.2 decimal point is 0.2

Sorry my English isn't that good

[ocean jackal]

Yeah their fractional part, or in other words the values after the decimal is same

[green merlin]

Yes

Fractional part

小数部分

[ocean jackal]

No problem

[ocean jackal]

Do you understand this language?

[green merlin]

Yes

Im chinese

Is sqrt(3+sqrt(8)) special?

[uneven eagle]

Special?

Sorry what does that mean

[ocean jackal]

Yeah I think it can be made into square

(1 + sqrt(2) )^2

[green merlin]

The form of sqrt a +sqrt b squared

[green merlin]

Ya

[uneven eagle]

Our teacher told us to use
a+b=3
ab=2

[green merlin]

Okay

Is it olympiad

[uneven eagle]

Like this

,rccw

[uneven eagle]

What's Olympiad?

[green merlin]

Never mind

奥数

[uneven eagle]

No it isn't

<@&286206848099549185> help pls

[full forum]

@uneven eagle Has your question been resolved?

[full forum]

@uneven eagle Has your question been resolved?

[uneven eagle]

No

[uneven eagle]

<@&286206848099549185> 😦

[vagrant otter]

question?

@uneven eagle

[uneven eagle]

Here

,rcct

,rccw

[glossy valve]

Couldn't find an attached image in the last 10 messages.

Oct 3, 2024, 6:05 AM

[uneven eagle]

,rccw

[uneven eagle]

Also √k-√288 fractional part is 2-√2

[uneven eagle]

.close

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[stiff axle]

Hi I need help on this question

[stiff axle]

After being painted, a solid wooden cube whose edge is 4cm long is cut into 64 small cubes. How many of these small cubes have at least two painted faces?

I don't get how to get the number of painted 3 faces and 4 faces

But I know that there can be 24 for the 2 faces

[umbral dome]

the only cubes with 3 painted faces are the corners

[stiff axle]

Oh

So how many would that be

[torn jolt]

4…………

[umbral dome]

how many corners (vertices) are there in a cube?

[torn jolt]

4

[stiff axle]

eight?

[torn jolt]

HEHEH I TROLLED LOL

[stiff axle]

oh

[umbral dome]

yes

[stiff axle]

I still don't get the question in general

[torn jolt]

A cube that’s 4 cm,

To be honest that’s js extra info

You just have to know it’s been cut in 64 pieces.

Which means that since this is a cube, L=B=H

So you can take cube root of 64 to find that the base would be 4x4. So that particular face would have 4 corners, 4 with 3 sides being shaded.

But for 2 sides being shaded, it’s simply the edge of the face. 4 on top, 4 below and 2 inbetween the left and right sides. Total of 12.

So in total you should have 32 cubes with atleast 2 sides shaded.

[torn jolt]

Hm. How did you get 24?

Did you exclude the corners with 3 shaded sides?

[stiff axle]

By multiplying 2 and

12

cuz theres 12

edges

[torn jolt]

Lemme

[stiff axle]

Wait I don't get what u mean by "4 with 3 sides being shaded"

[stiff axle]

yea yea yea

[torn jolt]

The corners have 3 sides shaded.

[stiff axle]

64 cubes

[torn jolt]

So the blue face will have 12 cubes with atleast 2 colours right?

[stiff axle]

yes

[torn jolt]

The opposite side of the cube, opposite the blue would have 12 as well. 24.

Now you have to count the remaining sides

[stiff axle]

8

[stiff axle]

ohhhhh

[torn jolt]

The 7&8 is the

One u cant see

Ugwim?

[stiff axle]

like the

opposite side

of

red

?