help-23

[tranquil mango]

tomorrow

I have an evaluation abt this

If I fail it

I might go to

vacation school

[tropic halo]

shit

[tranquil mango]

and I dont want to

thats why I am so stressed rn

[tropic halo]

ayo i know vacation school sucks but chaaaaaaaaaaaail man it's fine

[tranquil mango]

no

My fathers

thinking

that i passed all

they allready paid

[tropic halo]

you've got the idea of finding the area and the perimeter so why the panic

[tranquil mango]

for a vacation in Santa Marta

[tranquil mango]

cause the teacher

its

kinda

he says that

If there's no process

there is no good answer

its only 1 exercise

so its a 0-100

[tropic halo]

well i think that you found the area and the perimeter of the small oct

that isn't a 0

[tranquil mango]

but thats kinda easy

the external

is

hard

[tropic halo]

no

[tranquil mango]

https://tenor.com/view/vegas-hangover-hangover-movie-the-hangover-fucked-up-gif-26474562

[tropic halo]

if he gave you the right amount of information you could've easely found the big one

there's not info man

it can't be helped

and

[tranquil mango]

but wait

what if we try something

[tropic halo]

i know that every one have their own interests in life, but i think that one of the biggest keys to get a good score in math is by loving it, rather than trying so hard to solve equations

[tropic halo]

go ahead

[tranquil mango]

I love it

or no

but I try to

[tranquil mango]

lets see something

there is the following info

to make an octagon

there are 8 sides

so It will be

45

per angle

thats the inner angle

so

the apothem makes a 90 degree angle

with the other part of the triangle

45/2

is

22.5

so there will be another angle

so in the first triangle

I need a chart

and your help

[tropic halo]

my internet is dying

[tranquil mango]

fuck

[tropic halo]

am

man

[tranquil mango]

yes?

[tropic halo]

what're you doing ?

we already descussed that

we found the area and the perimeter of the small one

[tranquil mango]

yes

but the law

[tropic halo]

the prob is the biggest one

[tranquil mango]

of

there is something

and are the triangles

that are formed

in the fig

[tropic halo]

...

did you actually find the area of the small oct ?

[tranquil mango]

no

:C

[tropic halo]

can you tell me what exactlly are you trying to find ?

[tranquil mango]

ok so

I deduced

that

some triangles

[tropic halo]

...

[tranquil mango]

wait

[tropic halo]

8

[tropic halo]

there are 8 triangles inside the oct

[tranquil mango]

this part

[tropic halo]

yeah

[tranquil mango]

can be found

[tropic halo]

how's that ?

[tranquil mango]

ok so

[tropic halo]

you can't

[tranquil mango]

like

the apothem

with the angles

we divide

that triangle

in 2 parts

I got it

:D

[tropic halo]

... you know . i though that you could do that part by yourself ya know ?

[tranquil mango]

the better thing

that I can do rn

Is

killing my self

even though

thanks for all bro

[tranquil mango]

you're better that the other ones here

any like you tried to help me

thanks

[tropic halo]

ayo man you're messy life isn't equal to a messy octagon

[tranquil mango]

there is only one solution

[tropic halo]

you're not an octagon

[tranquil mango]

but octagons

are happy

I am not

ly

<3

[tropic halo]

then just become an octagon ?

[tranquil mango]

yes

I am sexually atracted to hexagons now

not octagons

CAUSE ITS SO FUCKING

ANOYNG

[tropic halo]

Yeah man that's what i'm talking about

ayo you previously declared that you're 8 grader

that means that you're in the middle of the worst period in your life

[tranquil mango]

yes

[tranquil mango]

JAJA

SO

THERE IS HELL

AND I MIGHT LIVE IT RN

[tropic halo]

depression, hating life, wanting to die and so

[tranquil mango]

I love life

what are you talking abt

*bipolar

[tropic halo]

what i'm talking about is that spending you're life in santa marta that has a coast doing math is better than spending it in the middle of a desert doing nothing and watching your youth dying in front of you

maaaaaaaaaaaaan that's getting deep

don't let some fart-like teacher take the joy of life from you

hexagons aren't attractive, and so the octs.

[tranquil mango]

JAJAJAJ

true

[tranquil mango]

rn you're my

psychologist

[tropic halo]

?

[tranquil mango]

anyways man

love you

thxs for all

I am not gona die

[tropic halo]

yeah even though i think that teenagers don't need pshychologists that's a loos of money, just let them grow and their problems will grow bigger and slowly they'll start to realize that their previous promblems were stupid

[tranquil mango]

I'll be here

[tranquil mango]

yehhhhhhhhhh

good vibes

thxs for all bro

like

for real

youre a great person

and a great mathematician

take care

if you need something tell me dawg

ly

[tropic halo]

good to hear

[tranquil mango]

.close

[tropic halo]

fuck, not gone again

[safe radish]

Channel closed

Closed by @tranquil mango

Use .reopen if this was a mistake.

[tropic halo]

sorry if i made this long

[tranquil mango]

nah

you made my day

[tropic halo]

thnx bro

[safe radish]

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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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[magic orchid]

How so you find a product of prime factors using index notation

[magic orchid]

For example 60

[drowsy moss]

isn't index notation just the factored number with primes raised to powers?

[safe radish]

@magic orchid Has your question been resolved?

[magic orchid]

Yes

[drowsy moss]

so can you factor 60 into primes?

[safe radish]

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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>.
• Type the command .close to free the channel when you're done.
• 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.

[chilly phoenix]

i need helppp

[chilly phoenix]

idk where to star

t

[spiral bane]

how long have you spent on the problem

[chilly phoenix]

30 min

[safe radish]

@chilly phoenix Has your question been resolved?

[safe radish]

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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>.
• Type the command .close to free the channel when you're done.
• 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.

[pearl sphinx]

Am I tripping or is this correct ? Like the Expected Value = 1

I compared mt answers with my friend and he got 5, Either I got something wrong or he got it wrong 😓

[plucky elk]

,rotate-90

[safe radish]

@pearl sphinx Has your question been resolved?

[pearl sphinx]

Or is it suppose to be

-20 4/16
50 3/16
100 4/16

?

OH WAIT SORRY I FORGOT TO MULTIPLY IT WITH X

.close

[safe radish]

Channel closed

Closed by @pearl sphinx

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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.

[south linden]

how should i go about finding these distances

[lean thorn]

use the distance formula. It works in 3d space as well, you just do a third $z$ term:
$\\\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2 + (z_2 - z_1)^2}$

[flat frigate]

MellowDramaLlama

[south linden]

oh ok

.close

[safe radish]

Channel closed

Closed by @south linden

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

[lean thorn]

!status

[safe radish]

What step are you on?
1. I don't know where to begin
2. I have begun but got stuck midway
3. I got an answer but I'm told it's wrong
4. I got an answer and would like my work checked
5. I have a question about someone else's worked solution
6. None of the above

[lean thorn]

I'm getting 8 as well.
cos(47) is about 0.68199836006
6 / 0.68199836006 = 8.79767511384 --> 8

it' rounding to the nearest integer

technically it should be 9 not 8

but I guess they're rounding down

[safe radish]

Channel closed

Closed by @scarlet thistle

Use .reopen if this was a mistake.

✅

[lean thorn]

so the thing to realize that this is a special triangle (iso).

Find the missing side of one of the triangles and multiply by 2

I would actually use tan

mostly because we rounded our answer for x so we might get some skewed results

as long as you don't mean the already established x on the triangle then yes

we're basically looking for y/2

no no dont' use x in this case

[lean thorn]

for this reason

look at this

look at this

we can use tan(47) = 6/z

solve for y

sorry I meant z

y represents the whole length

we're looking for z then multiplying by 2

z here represents 1/2 of the triangle

yep exactly

you could just directly sub in y/2 for z OR you can multiply z by 2 later on

same thing

[safe radish]

Channel closed

Closed by @scarlet thistle

Use .reopen if this was a mistake.

[lean thorn]

wait I'm getting 11 lol

[safe radish]

✅

[lean thorn]

tan(47) = 6/z
ztan(47) = 6
z = 6/tan(47)
z = 5.59509051683
y/2 = 5.59509051683

y = 11.1901810337

lol no worries!

[safe radish]

Channel closed

Closed by @scarlet thistle

Use .reopen if this was a mistake.

[safe radish]

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.

[earnest wagon]

Are every piecewise defined functions discontinuous?

[pulsar pecan]

No: consider f(x) where f(x) = x if x ≠ 0 and f(x) = 0 if x = 0

yes this does count as “piecewise defined”

[earnest wagon]

Ohh

I see, thank you!

.close

[safe radish]

Channel closed

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Use .reopen if this was a mistake.

[final halo]

Think about |x| too

[earnest wagon]

You're right, that's continuous as well. Thank you!

[safe radish]

Available help channel!

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>.
• Type the command .close to free the channel when you're done.
• 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.

[brazen parrot]

Hi can someone check my answer for this

[brazen parrot]

These 2

[hazy elbow]

9^2

[brazen parrot]

Naururururuururur

😭😭😭😭😭

Can u chi eck secobd one

[hazy elbow]

That is correct, assuming your calculation is correct

[brazen parrot]

Iz it right now

Ok tysm

[hazy elbow]

,w solve 2264113-pi3232*11

[flat frigate]

Results provided by WolframAlpha

Click here to refine your query online
Upgrade to WolframAlpha Pro!

Requested by B-eard#0791

[brazen parrot]

OMG I DID IT WRONG AGAIN

For the first one i didnt find the height for pythagoras

Oooooos

Oops

[hazy elbow]

slant height?

[brazen parrot]

Yeah

[hazy elbow]

you calculated that correct previously as sqrt(405)

[brazen parrot]

whoops

[hazy elbow]

ping me if you are stuck

[brazen parrot]

Hi can u check dis?

Wait i redo

[hazy elbow]

what have you assumed as x

[brazen parrot]

Can u check dis one?

[hazy elbow]

?

[brazen parrot]

Oh

That is the length from corner to corner

Of the square base

[hazy elbow]

Yeah your answer is correct

[brazen parrot]

Ok i have another question soo soz im just stressed cuz my exams coming up

Is this right?

[pulsar pecan]

Yes

[wise blaze]

factorise

[brazen parrot]

wut

what does this mean...

[pulsar pecan]

Do you understand the terms in the question?

[brazen parrot]

um

i know r is radius yeh

i have this so far

[wise blaze]

you for got to factorise 6/21

[brazen parrot]

IM CONFUSED

[pulsar pecan]

pronumeral?

[brazen parrot]

um

[pulsar pecan]

australia?

[brazen parrot]

yes

pronumeral is number in front of the letter yeah

wait

hi

[pulsar pecan]

also you forgot to simplify 6/21

[brazen parrot]

how do i simplify 6/21

6 doesnt go into 21

[wise blaze]

/3

[brazen parrot]

so

[pulsar pecan]

3 goes into both of them

[wise blaze]

2/7

[brazen parrot]

2 root 15/7

?

thays really ugly

[brazen parrot]

also y ask

ok thx

nownwut

[pulsar pecan]

only because a quick search gave me this

[brazen parrot]

wtf what do u call it in ur country

[pulsar pecan]

“variable”

like everyone else

[brazen parrot]

oh thats what people talk about when theu say variable

[wise blaze]

it is actually in the bracket

[brazen parrot]

ok now wut

wut

[wise blaze]

you cant actually do anything other then plug in all given info

[brazen parrot]

what

so i finished it??

[wise blaze]

well you did that

[wise blaze]

expand it

[brazen parrot]

so this is completed........?

oh

ok wait

[wise blaze]

And make right hand side become 0

[brazen parrot]

did i expand this right

[wise blaze]

yes

[wise blaze]

make right hand side become 0

[brazen parrot]

this is strange

why do i have both = on 2 sides

yer now what

[wise blaze]

this

[wise blaze]

.

what

[brazen parrot]

um

BRO IM. ONGUSED

[wise blaze]

Ok

listen

erase the =0

[brazen parrot]

ok

[wise blaze]

And subtract both side by 231

[wise blaze]

good

Reverse the equation

[wise blaze]

done

[brazen parrot]

thats weird

[wise blaze]

why

[brazen parrot]

y is it worded like that

[wise blaze]

?

[brazen parrot]

is this right.::

[wise blaze]

do you know what is completing the square

I mean like

[brazen parrot]

um

[wise blaze]

general formula of the final answer

[brazen parrot]

idk mt teacher showed me a visual example

it was like

a big fat square

and 2 rectanges on the side

idk

i ofrgot

[wise blaze]

ok

in high school we usually find the vertex of a quadratic equation

by completing the square

but thats not important

let me find it to you

[brazen parrot]

Ok

[brazen parrot]

I DID THAT 😡😡😡😡😡😡

[wise blaze]

no

you did it wrongly

in many olace

[brazen parrot]

oh

is the answer right

[wise blaze]

No

the answer is not in that form

the final answer should be like the step 3 in your calc

[brazen parrot]

I JUST COPIED MY TESCHER 😭😭😭😭

[wise blaze]

what the.

what are your teacher doing

[brazen parrot]

idk

ima ask her tmr

[wise blaze]

and why did she cancel out the 8x

what the

[brazen parrot]

um i think she was teaching us an easy way....

that doesnt rlly make sense..,

[wise blaze]

its not easy way its WRONG way

[brazen parrot]

😭😭😭😭😭😭😭😭😭😭😭😭😭😭😭

I GOT IT RIGHT IN MY LAST TEST THOUGH

[wise blaze]

Tho the answer is right but the step is completely wrong

it will be 0 mark in our school

cuz the first step is already wrong

[wise blaze]

yes tho the answer is right but

[brazen parrot]

i think she said we're gonna go deeper into it next year

[wise blaze]

i cant see sense of math

[brazen parrot]

but now we learn simple

[wise blaze]

ok

let me tell you how to use the right method

otherwise your math sense will gone

i believe you understand how to expand (a+b)^2

[pulsar pecan]

freshman’s dream error

[wise blaze]

its not even error

her concept of math have problem

[brazen parrot]

um

how i do this

[wise blaze]

um

you skip the last question

[brazen parrot]

sorry i cant be bothered to relearn

my brain hurts

[wise blaze]

ok your choice

[brazen parrot]

how i do

OHH

NVM I GET IT

[pulsar pecan]

you learned a wrong method

[brazen parrot]

nvm im lost again help pls

[wise blaze]

its the inscribed angle formula

again!

[brazen parrot]

THIS IS SO UGLY

I HATE CIRCLES

I GOT 43% FOR THAT TEST MAN

[wise blaze]

dont worry

i fked up my algebra and calculus test today as well

[brazen parrot]

oh i was joking i got 2nd highest in class

...

the average was 40% though

[wise blaze]

.

[brazen parrot]

WE GOT 1 MIN PER QUESTION

[wise blaze]

then how can you dont know how to do this

[brazen parrot]

oh its using the double angle theorem

but idk how to apply it

wiat let me try ok

[wise blaze]

why double angle

i dont think you have learnt that

[brazen parrot]

oh i was making it up

we call it circle theorem 1

[wise blaze]

look at the red angle

[wise blaze]

s

[brazen parrot]

oh

breh

[wise blaze]

There are another method

which is worse thanthe first one

[brazen parrot]

nvm

JUST WAIT

I GOT THIS

OMG

I THINK I GOT IT

[wise blaze]

SHOW

[brazen parrot]

if u tell mei m wrong im actually gonnago cry

[wise blaze]

you fixed one error but didnt fix another one

[brazen parrot]

BTUHHHHHHSHAHRHEHEURHEHEUEHR

[wise blaze]

$360^o-(2x+28^o)$

[flat frigate]

MochaOhwelp

[brazen parrot]

....

oh

[wise blaze]

This kind of mistakes can be deadly

[wise blaze]

Before that cancel the first step

[brazen parrot]

wat

[wise blaze]

cancel the first step first

[brazen parrot]

ummm i dont get wut u mean

[wise blaze]

erase the first line

[brazen parrot]

OHHHH

I LEFT IT THERE

[wise blaze]

cuz that is wrong

yes

After that

$360-28+140$

[flat frigate]

MochaOhwelp

[brazen parrot]

...

472

[wise blaze]

yes

and you get the answer $x=59^o$

[flat frigate]

MochaOhwelp

[wise blaze]

and congrat, you done it

[brazen parrot]

is this right

[wise blaze]

what is the question asking

[brazen parrot]

factorise

[wise blaze]

ok

you used a interesting method

and it is right

tho i dont actually know how it work

but it is correct

[brazen parrot]

ok thx

[brazen parrot]

my fav math teacher taught me it last year

wait the fraction yeh?

its easier :d

[wise blaze]

em

i actually have a faster method

[brazen parrot]

NO

ITS THE COMPLICATED ONE

[wise blaze]

Have you heard the cross method

[brazen parrot]

no show

[wise blaze]

Ok

[brazen parrot]

thats ugly

[wise blaze]

you need good math sense when using it

[brazen parrot]

wait.... is this right...

[wise blaze]

one step

where is the 5

[brazen parrot]

oh

so 5b yeh

IM J TRIED TRUST

TIRED

[wise blaze]

ok

im also tired

[brazen parrot]

NOOOO BUT UR USING LIKE 20% BRAIN POWER I HAVE TO USE 100%

[wise blaze]

i played skateboard on sport lesson and fell 4 times

lol

[brazen parrot]

oh

...

in tennis i accidentally let go off the racket and hit the teacher in the face

[wise blaze]

great job

[brazen parrot]

thanks

[wise blaze]

anyway

the answer should be

[brazen parrot]

wut

wheres the 5

[wise blaze]

Factorised

[brazen parrot]

BITCH I DID THAT AND U SAID IT WAS WRONG

[wise blaze]

.

[brazen parrot]

sorry

[wise blaze]

we use diff method

[brazen parrot]

OHH NVM I DIDNT

I DIDNT TAKE OUT 5 IN 30 OOPS

SORRY

[gritty umbra]

dude 💀

[wise blaze]

Becuz $5^{-1}\cdot 5 = 1$

[flat frigate]

MochaOhwelp

[wise blaze]

i calc like thas

[brazen parrot]

ohh wutt

this what i did

still works

[wise blaze]

yes

[wise blaze]

yes

i just skipped some steps

BECUZ ITS EASY

[brazen parrot]

wow flex 🙄🙄

is dis right

The rationalise

[wise blaze]

which

both?

[brazen parrot]

the rationalise

[wise blaze]

ok

yes

[brazen parrot]

hi

is this right...

crystal is 5

[wise blaze]

MUM IS GIVING MONEY

WAIT FOR ME

[brazen parrot]

OMG WHERE

[wise blaze]

giving me money

👍

[brazen parrot]

ITS RIGHT??

OMG THATS THE FIRST TIME IVE GOTTEN AN ALGEBRA QUESTION RIGHT WITHOUT CHEATING

[wise blaze]

wrong

[brazen parrot]

oh

.....

WHAT THE FWIP

[wise blaze]

what is her uncles age?

[brazen parrot]

x + 20

[wise blaze]

Yes

[brazen parrot]

OG

[wise blaze]

look at what you wrote

[brazen parrot]

SO ITS 2 x (x+20)

OHDHEHEHEIDIEUED

[wise blaze]

still wrong

[brazen parrot]

oh

[wise blaze]

after 5 years

[brazen parrot]

2(x+20) IS WRONG??

oh

2(x+20+5)

?

[wise blaze]

yess

but its still wrong

[brazen parrot]

BRUH U UGLY MAN

[wise blaze]

listen

ross and krystal

which one is twice as which one?

[brazen parrot]

ross is twice

[wise blaze]

No

simply speaking, who is younger?

[brazen parrot]

crystal

[wise blaze]

yes

then why twice her uncles age will be equal to her age

read the question carefully and you will se

[brazen parrot]

bc her uncle is an alien

[wise blaze]

..

”her uncle will be twice as old as she will be”

[brazen parrot]

her uncle is 2x her age then im confused

[wise blaze]

Her uncle will be

twice as old as she will be

the sentence separate like this

[brazen parrot]

OHH

TWICE AS OLD

AS SHE WILL BE

[wise blaze]

lol

[wise blaze]

krystal calc this when she was 10.

…

great

it is right

What im still doing when i was 10

MULTIPLYING FRACTIONS

wait

its actually pretty easy to calc this when the age is know

n

bruh

[safe radish]

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[safe radish]

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[buoyant nebula]

.close

[brave wolf]

It's already closed

if you still have a question, claim new channel

[buoyant nebula]

Okay

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[hushed minnow]

Hi

[hushed minnow]

I am wondering, is it always true that

$$x^{2n} = 1 \mod 10 \rightarrow x = 1 \mod 10 \lor x = -1 \mod 10$$

[flat frigate]

szahu420

[hushed minnow]

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[ocean furnace]

I don’t understand question number 5

[ocean furnace]

i forgot how to do the steps

<@&286206848099549185>

<@&286206848099549185>

What is the formula

[lone rune]

Use similar triangles

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[signal relic]

I'm a bit confused "adjusting the domain of the rectangular equation"

I thought adjusting the domain basically means what the max values of x are, but apparently not?

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[astral dew]

So, my assignment is to draw a function f, that fulfills the following requirements:

• Definition quantity = [-1; 9]
• Value set (y-values) = [-5; 5]
• f is ascending in the intervals [-1; 1] and [6; 9]
• f has a global maximum point in the point (1; 5)

However. I am wondering on how it is even possible to have a global maximum if the function ends in (9; 59, which is the same y-value as the global maximum?

[astral dew]

I've made this drawing:

[safe radish]

@astral dew Has your question been resolved?

[safe radish]

@astral dew Has your question been resolved?

[safe radish]

@astral dew Has your question been resolved?

[fierce spire]

Just make the value at 9 smaller

For example y =4 at x = 9

[astral dew]

But, isn't it meant to finish at 9, 5?

If the value set and definition quantity are to match

[fierce spire]

No, the function is not defined past x=9, but that says nothing about its y value

[astral dew]

So, all the applicable y-values that finish at 5 will not sync with 9 from the x-values?

[fierce spire]

Ah I think I see the confusion. The question is not saying the function goes from (-1,-5) to (9,5)

[fierce spire]

The only time your function should have a y value of 5 is when x = 1

[astral dew]

What about when it's 9 (x)?

[fierce spire]

It can be anything less than 5, as long as it's still ascending on [6,9]

[astral dew]

How come?

Oh, yeah! Just because the max y-value is 5 does not mean that it has to finish at that point at an x value of 9, just that thats the maximum possible value.....

I get it now

I am so dumb

[fierce spire]

[astral dew]

Thank you! ❤️

[plucky elk]

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[full lotus]

I need to check the limit of fx when x tends to pi/2 from the right (using the first case) - cos(x)/ ...
I get

and idk how to move from here

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[full cosmos]

Condense the expression 7 * In 3 - 1/2 * In 81

[thick sparrow]

Hint: $81 = 3^4$

[flat frigate]

jimmy1234

[full cosmos]

what?

• forgot this it wants to be condensed down into a single logrithm

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[wet loom]

I got** 214**, correct?

[worthy hemlock]

#help-12 message
If you googled that, you will see that it's a calculator too in which you input the data and it'll give you an answer

[wet loom]

I didnt I used paper and pencil

but ok

[final halo]

if you're going to ask someone else to check your answer, you might aswell use the calculator

[wet loom]

yup thats 214 used the calc

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[worthy hemlock]

Yes you can use paper and pencil to do it but you can also use online calculators to check your work

[safe radish]

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[unreal kindle]

hi

[unreal kindle]

how do i know if it is increasing or decreasing?

[steep dove]

you could differentiate it

its a sequence so perhaps a finite difference is better (or ratio)

[merry sleet]

multiply by $\frac{\sqrt{n^2+n} + \sqrt{n^2-n}}{\sqrt{n^2+n} + \sqrt{n^2-n}}$

[flat frigate]

Benjamin

[unreal kindle]

idk if it's always positive

[unreal kindle]

ok

[unreal kindle]

ok

.close

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[merry sleet]

so what did you find?

[unreal kindle]

.reopen

[safe radish]

✅

[unreal kindle]

(n²+1)-(n²-1)/denominator

[merry sleet]

why 1?

but also simplify

[unreal kindle]

n

[merry sleet]

yes

[unreal kindle]

ok

[merry sleet]

so is it increasing or decreasing?

[final plinth]

Differentiate

[unreal kindle]

decreasing

[merry sleet]

yes, but its not direct, this form gives you the limit

but it give soyu the hint

oh actually i might have said something wrong

[thick sparrow]

From this, and if you further multiply the thing by $\frac{1/n}{1/n}$, you can get some $\sqrt{1 + \cdots}$ in the denominator, in which you can expand by binomial series and do further approximation.

[flat frigate]

jimmy1234

[unreal kindle]

i'm going to try that

.close

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[coarse kelp]

is this what b is asking?

[thick sparrow]

Not sure what curve C1 means, may need more information to tell if your drawing is correct.

[coarse kelp]

here sorry

i don't know what b is asking

i dont understand

sorry i am dumb

[thick sparrow]

Well if it is an assignment, you can always cheat a bit by using online calculator to see what is the curve you are looking for 🙂

,w polar graph r = sin theta

[flat frigate]

Results provided by WolframAlpha

Click here to refine your query online
Upgrade to WolframAlpha Pro!

Requested by jimmy1234#2729

[coarse kelp]

nah bro

this is a practice test

i am trying to get good

at it because i suck

and we can't use graphing stuff in exams

[coarse kelp]

i just don't understand what b is asking

is it the redline that i drew?

[coarse kelp]

$L = \int_{\frac{5\pi}{6}}^\frac{13\pi}{6} \sqrt{\sin^2{\theta} + \cos^2{\theta}} d\theta$
then
$L = \int_{\frac{5\pi}{6}}^\frac{13\pi}{6} 1 d\theta$

is this ok?

[flat frigate]

steamhahasteamhaha

[safe radish]

@coarse kelp Has your question been resolved?

[wet loom]

alr 👍

[safe radish]

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[safe radish]

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[sly raven]

I feel as though I'm missing something here. Can anyone help me out? Not sure how to proceed.

[sly raven]

Like specifically I'm not sure if I'm using how the money factors into it correctly.

Pretty sure I figured it out.

.close

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[radiant depot]

'

[radiant depot]

jus tneed help undesrtanding how to input LN

i know LN is like e or something

but i dnot know how to write it into the equation

[half cliff]

you are supposed to find x right?

try e^

if you want to raise e to the power of something

[radiant depot]

ok

[rocky ferry]

ln b is log_e b. log is the opposite of exponent

[radiant depot]

uh waht

[rocky ferry]

so to get inside of ln you must raise e to both sides

[half cliff]

wait do you need help solving it formatting your answer

[rocky ferry]

$e^{\ln b}=b$

[flat frigate]

b0ngl0rd

[radiant depot]

formatting

[half cliff]

ok then just try e^ whenever you need to do it. If it doesn't work try using a calculator for a decimal answer

[radiant depot]

thats how i solved with log

[half cliff]

wait

[radiant depot]

arrow pointing to thte equaiton

equation*

[half cliff]

oh i see

[rocky ferry]

same thing except this is natural log

[radiant depot]

natural log is what again? sry

[rocky ferry]

$\ln b=\log_{e}b$

[flat frigate]

b0ngl0rd

[radiant depot]

eehhh what

[half cliff]

does the answer box take in latex only

[radiant depot]

wtf is latex 😭

[rocky ferry]

lol

idk how much clearer i can show you what ln means

[half cliff]

its a math formatting language, some websites use it to take answers

[radiant depot]

im not sure

[radiant depot]

knowing this tho, how would i write the equation

i jus tdont know how to apply it

like what is b

[rocky ferry]

b is any number

replace it with whatever situation matches your expression

[half cliff]

remember how you turned 4 into 81 and removed the log on 2x +1?

[radiant depot]

same with e?

[rocky ferry]

e is a constant

like pi

[radiant depot]

okkook

[radiant depot]

yeah

[half cliff]

do the same, but now e has to be raised to the power of the equation to cancel it out, not 3

[radiant depot]

e^4?

[half cliff]

well this problem has 6 on one side

[radiant depot]

oh sorry i meant 6

[half cliff]

yeah

[radiant depot]

was looking at the last problem

ok let me try it

[half cliff]

and the left side loses its log

[radiant depot]

what does e =

where im at

wrong or righ

t

[half cliff]

yes

[radiant depot]

what am i supposed to do with e

someone told me e=10

but im p sure thats only if there is no base

[half cliff]

e is irrational

[radiant depot]

so should i start with -2 on both sides?

[half cliff]

e = approximately 2.71828, and yes you -2

[radiant depot]

how do i do e^6-2 💀

[half cliff]

does the answer box only take in decimals/integers

[radiant depot]

i think

why what ru thinking

[half cliff]

some boxes take in expressions but whatever

Try to find the rounding requirements somewhere on the page

if there are none then round to 3 digits or something

also don't forget to divide by 3

[radiant depot]

401.428

[radiant depot]

what

[half cliff]

its 3x + 2

after -2 you get 3x = e^6 - 2

[radiant depot]

HUH

im so confused bruh

this is where im at

[half cliff]

yeah

[rocky ferry]

3x isn't x yet

[half cliff]

but you want x right?

[radiant depot]

yes

[rocky ferry]

cancel the factor of 3 by dividing both sides by 3

[half cliff]

^

[rocky ferry]

you must isolate x, 3x isn't fully isolated

[radiant depot]

how do i do e^6/3

[rocky ferry]

just like you did right there

its just (e^6)/3

[half cliff]

(e^6 - 2)/3

[radiant depot]

uh

ok first off

is this right

[rocky ferry]

whooole side

whole thing

[radiant depot]

okok

[half cliff]

wait you have to move the 2 over first

[rocky ferry]

but

[half cliff]

doesn't matter

[rocky ferry]

you should move 2 first like he says

[radiant depot]

so e^6= 2 +3x?!?!?!?

[half cliff]

then e^6 - 2 = 3x like you did before

[rocky ferry]

lol yes but that isn't done

[radiant depot]

😭

[rocky ferry]

[radiant depot]

LFMASO

[half cliff]

ok ok just go back to what you did originally

you got e^6 - 2 = 3x

right?

[radiant depot]

RIGHT EHRE

RIGHT

[half cliff]

ok this works too

although it will be a bit more complicated

what do you end up with now?

[radiant depot]

how SHOULD i be rwriting it

[half cliff]

its fine, you will get the final answer. but generally you do addition/subtraction first with linear equations

[radiant depot]

okay.

how do i do e^6/3?

i dont know how to solve that at all

just calcualtor?

[half cliff]

yes

if theres e then use a calculator

[silk dagger]

you probably wouldn't do anything with that wouldn't you

if you want an exact answer you'd leave e in the answer

[radiant depot]

AHh

[silk dagger]

but if you want a decimal value then you can use a calculator

[radiant depot]

this is very messy hwo do i do it hte more simple way

OK

from here

[half cliff]

subtract 2

from both sides

[silk dagger]

are you solving this

[radiant depot]

yes

[half cliff]

you want to leave just 3x on the right so you can divide

its like what you did before

[radiant depot]

ok. what is e^6-2

[silk dagger]

if you're familiar with solving linear eqs it's the same

[half cliff]

don't caluclate it yet

leave it asna expression for now

[radiant depot]

HOW DO I DO THAT

[half cliff]

you get e^6 - 2 = 3x

the left side may look ugly, but at least its a constant

unfortunately the only option is to leave it as a decimal or the messy expresison

$e^6 - 2 = 3x$

[flat frigate]

deltoidal_icositetrahedron

[half cliff]

like this ^

[radiant depot]

ok

[half cliff]

there's only one more step

you have the value of 3x, but you want x

what must you do to the equation?

[radiant depot]

subtact 3 both sides

[half cliff]

divide

[radiant depot]

on all 3?

[half cliff]

yeah

the right said has 3*x, so to get rid of the 3 you need to divide by 3

3*3/3 = x

[radiant depot]

ok. whats 3^6/3

i cant do that

calc?

[half cliff]

the left side gets even messier, but i can write it out

[radiant depot]

ulator

[half cliff]

yeah

[radiant depot]

ok

[half cliff]

not 3^6

(e^6 - 2)/3

$x = \frac{e^6 - 2}{3}$

[flat frigate]

deltoidal_icositetrahedron

[half cliff]

now you just use your caculator

yes!

[radiant depot]

do i subtract those nubmers

[half cliff]

that number is right

wait

133.809597

thats what i got

for the final answer but yes

[radiant depot]

tbh got the answer a long time ago but didnt know how to solve it

[half cliff]

lmao

[radiant depot]

im left with 133.87

[half cliff]

yeah

[radiant depot]

but the answer is 133.81

[half cliff]

wait

rounding error probably

[radiant depot]

maybe

[half cliff]

or calculator mistake

[radiant depot]

thanks for the help though i overcompllicate thiss hit like crazy

i would NOT have this patients with anyone else

[half cliff]

with practice complicated expressions should get easier to handle

[radiant depot]

oh yeah well i did it once now i know it

its just the matter of doing one problem

thx again

.close