help-10

[rocky citrus]

The question is: How much extracurricular activities do you do after school?

It ranged from (Lowest) 0-8 (Highest)

Now here's my question: We were asked to display this information, on a graph.

We were also asked to calculate the range and average.

These are the values. To explain this, 4 people do 0 number of activities after school.

10 people do 1 extracurricular activities after school.

By examining the chart, you can see that 6 and 7 do not appear. Indicating that no one does 6 or 7 activities after school.

So here's my question 'If I were to create a bar graph, would I include the 6 and 7 or exclude them.

Would I include them like this

Or would I remove them from the graph?

My second question is 'If I were to include 6 and 7 extra curricular activities after school. Would this mean the range would be equivalent to 10, as Most Frequent (10) - Most lowest (0)

This isn't really hard. My brain is just malfunctioning and not thinking if I include it or not.

Anyone?

This is a very simple question, it is just my thinking issue

<@&286206848099549185>

Hello!

[brave bramble]

There's no law defining how any graph should best show its info

But I personally think keeping the empty bars is pretty clear

[rocky citrus]

Yes, but if I were to exclude them. It would change the information significantly

For example If I excluded them the range would be 9

As the second lowest option was 1

and the highest was 10

[brave bramble]

The largest response is 8, no?

[rocky citrus]

This is the part of the dataset that confuses me aswell.

[rocky citrus]

The largest reponse you could choose is8

is 8

Which means that the largest amount of extracurricular activities that someone does after school is 8

But in the form it was conducted of many students

For example, 10 people does 1 extra curricular activitie after school

and in this case, 1 person does 8 extra curricular activities after school

[brave bramble]

Regardless, the way you choose to represent your info cannot change the info you have. You might choose to not show the empty bars, but you still have 0 people who responded "6"

[rocky citrus]

I understand now, but alot of people are getting confused on the way I structured the graph.

Like the most amount of activities you can do after school is 8, on the form.

The people who participated in the survey, for example: 10 people chose 1 activity after school

I need a more proper way of wording it

For example, if I didn't include How many people do the amount of activities or Amount of activities no one would understand it

Never mind, I understand now. Thanks for your help.

/close

ion know how to close

.close

[obtuse pebble]

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[rocky citrus]

oh

yay!

[obtuse pebble]

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[brave bramble]

What's the Z-score of a 374ml bottle?

[obtuse pebble]

@timid silo Has your question been resolved?

[cunning burrow]

So first step would be know how z-score is defined.

Once you do that you need calculate the probability the bottle would be in the required bounds

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[upper jay]

Prove that root3+root2 is irrational

[upper jay]

<@&286206848099549185>

[wintry swift]

each of them or the sum?

[upper jay]

Sum

I know we first need to use root3+root2=p/q

After that i am confused

[fickle turret]

Square both sides and show sqrt(6) is irrational

Then you get a contradiction

[upper jay]

Like (root3+root2)^2=(p/q)^2?

[fickle turret]

Yes

[wintry swift]

separate the roots on different sides. square. then transform the remaining to something like root3 = ....

the right side wll be rational, which givs you a contradiction.

[upper jay]

I get (5×2×root6)=p^2/q^2

Is it correct?

[wintry swift]

no, i said separate the roots on different sides. if you do this you wont have a root6.

[upper jay]

What does separating the roots mean?

[wintry swift]

root2 = p/q - root3

[upper jay]

I get it know

[upper jay]

I solved it till 2=p^2/q^2+3-2×p/q×root3

Is it correct?

[wintry swift]

looks good. now put all on one side without the root3. this should look like root3 = .....

[upper jay]

I will try to do that

[upper jay]

I think there is one more way to solve can i show you?

[upper jay]

Sorry, I am not able to solve it after that can you solve the next equation for me?

<@&286206848099549185>

[upper jay]

Ok, so i have done it little differently can you check?

<@&286206848099549185>

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[untold pawn]

how do I do this

[grand carbon]

well just make the f'(x) = g(x)

Unless F and f is different that should be it

then you should just re arrange and solve

wait

[untold pawn]

yea but how did u know to do that

[grand carbon]

wait smt odd

1s

oh i see now

it's f(g(x))

not g(x) mb

[minor jungle]

Either find f(g(x)) and then differentiate, or differentiate them separately and use chain rule

[grand carbon]

yeh

[untold pawn]

yea and how do i do that

[grand carbon]

i didn't notice the f(g(x))

you just substiture g(x) into f(x) right?

[untold pawn]

what

[minor jungle]

f(g(x)) = f(x^2-1) = sqrt(3(x^2-1)+4).. now differentiate

[grand carbon]

yeha

yeah*

[minor jungle]

Or use f'(g(x))g'(x)

[high lily]

you're givein f'(x) not f(x)

[untold pawn]

yea

[high lily]

apply chain rule directly

[minor jungle]

Oh mb

:P

[grand carbon]

true

[untold pawn]

how

[grand carbon]

im blind

[high lily]

to f(g(x))

[untold pawn]

how

[minor jungle]

I didn't notice it was f'(x)

[grand carbon]

Integrate first

[untold pawn]

bro...

[high lily]

the chain rule literally tells you the derivative of
f(g(x))
in general

[untold pawn]

💀

there is no integration

[grand carbon]

wat

[minor jungle]

That'll be too messy

Just apply chain rule

[untold pawn]

its a chain rule question

[grand carbon]

if you have to find f(x) from f'(x) don't we have to use integration?

oh lol

idk chain rule

[untold pawn]

F'(x) = f'(g(x)) * g'(x)

[high lily]

chain rule will literally tell you
$$[f(g(x)]'$$

[minor jungle]

F' = f'(g)g'

[warm shale]

ℝαμΩℕωⅤ

[grand carbon]

ok

idk chain rule im too young ig

[high lily]

now plug g(x) into the f'(x) you're given
and you shouldn't have much difficulty finding g'(x)

[minor jungle]

$[f(g(x))]' = f'(g(x))g'(x)$

[warm shale]

ZapMighty

[untold pawn]

okay

oh yuea ur rigth

thank u

.close

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[grand carbon]

oof

nice

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[subtle gull]

How did this become this

[median dome]

write $\frac1{x^4}=\frac{x}{x^5}$ and then add the two fractions

[warm shale]

kheerii

[subtle gull]

i dont get it

[brazen gorge]

$\frac{1}{x^4} - \frac{2}{x^5} = \frac{x}{x^5} - \frac{2}{x^5} = \frac{x-2}{x^5}$

[warm shale]

artemetra

[obtuse pebble]

@subtle gull Has your question been resolved?

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[tight basalt]

is there not a model answer u can follow

with stats i just do as many qs as possible and try not to even think abt whats happening

like a question answer similar to that

u can just regurgitate

farkk

ummm

wait hold on i can try

https://tenor.com/view/was-pops-wrong-gif-3182952423299865297

idkkkk

give me 5mins

ill try and bullshit my way through it

bro take it to a different help channel

this is being used

bro is it 0.9544

@timid silo

@timid silo

is it?

https://tenor.com/view/was-pops-wrong-for-this-gif-10622880590275024953

im getting aired

oh lets goo

yh

https://madasmaths.com/archive/maths_booklets/statistics/normal_distribution_calculations.pdf turn to page 20, i just read the solutions because the question u have is quite similar and i just memorized how the dude did it and applied it to ur question

thats the thing with maths man, u just gotta do as many qs as possible bcz they just repeat themselves

lmao

oh yh

thats the final ans

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[timid silo]

Hi, I’m struggling with trig identities and am not sure how to finish this problem (or if i’ve even started it right). Could I get someone to explain it to me?

[ruby path]

I don't think the jump from the second to the third step is right

Can you tell me what you've done?

[timid silo]

used the cofunction formula to get the cot term to be tan theta^2, converted sec and tan on the other term to 1/cos and sin/tan
then i saw bc they’re multiplied the tans could cancel out leaving a tan without the ^2 in the first term and a one in the second

i thought it was right but i can’t figure out where to go from here so i guess it might not be

[obtuse pebble]

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[timid silo]

.close

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[lilac rune]

Hi

[lilac rune]

Fir this question

For

Why did he remove the other S

Can anyone help me

[timid silo]

@lilac rune

the question says the number or combinations with exactly one S

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[haughty breach]

So I got this probability question:
Theres 20 students in a class (in which has 14 males and 6 females), what are the chances to pick 6 students to have 2 being the class monitor,and 5 of them to be females

[haughty breach]

if someone can solve this and give me an final answer

[lean ore]

how many class monitors are there in the entire class? 2?

[haughty breach]

yeah what are the chances to pick 6 students to have 2 being the class monitor,and 5 of them to be females

You'll pick 6 students,
Chances of 2 of them being the class monitor
and 5 of them being female

seriously no one.

[brazen gorge]

class monitor?

what does that mean

[haughty breach]

"A person who leads the class" kinda shi

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[royal oar]

How to solve for taxes and percentages and price increase and or decrease

[untold stump]

Just multiply by the correct factor?

[astral radish]

send the question

[royal oar]

Sending

Not 19 questions like 20

And 18

[astral radish]

,rotate

[astral radish]

@royal oar the first pic is for Q18 and the second for Q20. Let me know if you dont get it

[royal oar]

For step one for questiojn20 ISNT it supposed to be -0.5x?

[astral radish]

I used how many passenegrs are remaining

so for example if it had 100 passngers and 1/2 passengers (50) got off, that means 1/2 remains (also 50)

also for the second stop. If 1/3 got out, then 2/3 remained

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[exotic sand]

Do we have a way to evaluate a and b in such case?

[exotic sand]

In terms of c

C could be any number

[obtuse pebble]

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[vague isle]

i need to differentitate
-x/(x+y)^2 wrt y

[vague isle]

i get
2x/(x+y)^3

but it should be

what am i doing wrong

[deep skiff]

Show us how you got that answer...

[vague isle]

i can rewrite it as
-x(x+y)^-2

the -x is constant so i can take it outside and diff the rest
so i get -x (-2(x+y)^-3)

which is same as
2x/(x+y)^3

i am stupid. that is f_yy LOL

[deep skiff]

Umm.. are you sure that expression to the right is what you need?

Don't you need to differentiate with x now?

[vague isle]

yea

brainfart

.close

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[timid silo]

so like i thought like the original function is odd so whole thing equal zero but this guy expanded and when he did that way it was

not actually zero

thats a odd function right

why this ain't zero

well i think it is cuz two functions were combined and this works only when there is a single

function

but then there is

☠️

[timid silo]

OH WAIT

THIS SHIT AIN"T

SYMMETRIC AROUND THE

ORIGIN

OH YEH

GOD DAMN

THATS IT

[stoic tendon]

👏🏻

need any help?

[timid silo]

nope!!

[stoic tendon]

ok!!

[timid silo]

thanks

.close

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[willow sigil]

Hi - why is the particular integral here ae^-x and not axe^-x? Doesn't e^-x appear in the complementary function?

[obtuse pebble]

@willow sigil Has your question been resolved?

[willow sigil]

<@&286206848099549185>

[timid swift]

hm

oh ok I see

[timid swift]

u mean for the non-homogeneous part right?

[willow sigil]

yes

i think i figured it out by myself lmao

[timid swift]

is because is a guess

u are guessing the particular solution will be in the form ae^-x

because you have a 2 in the front

[willow sigil]

i will paste what my understanding after you're done typing
curious as to what you have to say

[timid swift]

hm I mean

as far as I know is because you are guessing the form of the answer right

and because u have only an exponential with a coefficient

you will guess the particular solution will be in that form, so then when you differentiate and plug in the y'' and y' you don't get a non-sense expression

like 1=0

you have to make sure you include all the possible coefficients

[willow sigil]

hmmm
that makes sense
xe^-x gives nonsense

this was my understanding:

i think it is because of the trig term with the e^-x
the whole reason multiplication by x is a thing is because otherwise substituting it in will give diff eq = 0
a particular integral that is part of the complementary solution will not give anything useful when trialled (it cannot give the non-homogenous part)
but in this case, e^-x is not a part of the complementary solution
because e^-x is not the same as e^-x (cos(x)) or e^-x (sin(x))
a particular integral of e^-x (cos(x)) would not be useful when trialled since it would give diff eq = 0
but e^-x is fine

i still don't know why it is multiplication by x specifically

[timid swift]

it is not multiplying by x is it?

[willow sigil]

but that's a more general thing

[timid swift]

it is a coefficient a

[willow sigil]

oh yeah

what i'm saying is that the non-homogenous part is e^-x
and even though e^-x "appears" (is in) the complementary function

the thing that is trialled is e^-x

because e^-x is not part of the complementary function actually

[timid swift]

when u say complementary function you mean the particular solution right(?)

[timid swift]

it is

[willow sigil]

oh it may be the terminology of my uk exam board lol

[willow sigil]

complementary function is the solution considering the homogenous part

[timid swift]

everything non-homogeneous function of x is particular

[timid swift]

oh

I mean but like

Is your question why they put an "a" before the e^-x?

[willow sigil]

my original question was why it was ae^-x and not axe^-x

[timid swift]

hm ok I see

[willow sigil]

because the solution to the homogenous part is e^-x (Acos(x)+Bsin(x))

and e^-x is in that
but not really lol

[timid swift]

oh I see

ok when u solve for the particular solution

the right side of the equation in this case

u have to completely forget about the homogeneus part

remember the linearity of the differentiation

it doesnt matter the function you have on the left, because it will be always independent from whatever is on the left

remember particular solution + homogeneous solution = general solution!

so if you diffeentiate this you can just differentiate the particular solution and homogeneus separately

if the particular solution is ae^-x, then independently of the homogeneus solution, you just guess the form to be be^-x

[amber dirge]

You're right it's this - the modification rule is technically applied when the particular solution you assumed is a root of the homogeneous solution (if it's a double root, then it's a case of multiplying by t^2 as I'm sure you know). As a rule of thumb you can generally apply it when it 'looks like' the homogeneous solution because that generally means it's a root, but here as you've probably found out ae^-x doesn't actually give you a root because of the sin and cos, so you don't need to modify it

[timid swift]

https://tenor.com/view/poop-cat-meme-dark-fnaf-gif-2491098315710587638

really doesnt it?

[willow sigil]

huh

[amber dirge]

If your auxiliary eqn had real solutions and so your xh(t) took the form C1e^at + C2e^bt then you'd have to modify your particular solution

[timid swift]

here is the particular part

[timid swift]

oh I see

but this is not the case right(?)

[amber dirge]

Yeah exactly it's got complex solutions, so the sin and cos mean the 'standard' form of the assumed particular solution is just fine

[timid swift]

oh I see, I didn't knew the particular solution could be affected by the homogeneus part

but it makes a little bit sense

I mean that is why laplace transforms are superior

https://tenor.com/view/cat-silly-silly-cat-silly-cats-mewing-gif-14812443053695024113

[willow sigil]

i have not started undergrad yet lmao
i have exams in 2 weeks on this, and we only get taught this much in UK A levels (exams for 18 year olds)

[amber dirge]

Yeah, try solving y'' - 4y' + 3y = 5e^t

You'll have real sols to the auxiliary and your particular solution will be a root

[willow sigil]

that would have uhhhh ate^t particualr

[amber dirge]

Try using it, you'll find you get something that breaks the universe

Hence you then multiply by t

[timid swift]

hm cool, I mean this is still lower division math but its very good that u are learning this already

[timid swift]

lol

lets see

[amber dirge]

You'll have a leg up assuming you're off to study engineering/something similar

[willow sigil]

yeah
it's not part of normal UK maths
it's part of "further maths" qualification lol
most people who take A level maths do not learn this
only 1st order

[amber dirge]

Then you get to the delights of PDEs which are far more fun XD

[willow sigil]

oh i've heard

i won't be doing engineering but i'll be doing pure maths at university

or well i say that

[timid swift]

ok I see

[amber dirge]

🗡️

[willow sigil]

i can take applied modules and i will have to

[timid swift]

daksjfh

[amber dirge]

Jk pure maths is fun, scares me though

[timid swift]

aaa srry:(

[willow sigil]

but my degree is undergraduate masters of mathematics

*will be

[timid swift]

yeah, it is very advanced math skajldhf

[willow sigil]

honestly fair
i may end up going into applied

[timid swift]

diff equations are my favorite math topic

is the crossover bewteen lots of things

one method I love to solve DE is with series

but I am not very good at it

you let the solution be a power serie of some form, and differentiate it

and plug everything in, my roomie taught me that but forgot jkdsahf

[willow sigil]

reminds me of my friend trying to do gaussian integral with maclaurin series
he got stuck at like the last limit part

[amber dirge]

I was an engineer at a UK uni but lived with some mathematicians, some of the notation they used gave me palpitations lmao

[willow sigil]

heh nice
are you in the US?

[willow sigil]

did you do A Levels?

[timid swift]

series makes everything easier! but you end with a serie as an answer and that wouldn't be valid

you need the exact value

[timid swift]

hm yes ajdshfb

[willow sigil]

ah i see
thought it was a good guess lol

[timid swift]

there is a very powerful tool to compute series, it is called polylogarithm functions!

[amber dirge]

IB cos my school was weird hahaha, but I've been tutoring A level math/further math for a few years or so so am familiar with the suffering lmao

[timid swift]

jksahd I mean I'm not from here, but I'm studying here

[timid swift]

lol I also did IB

[willow sigil]

oh IB
i have a friend who is doing it
they regret taking it

oh damn you too

[timid swift]

ib physics

and math

[amber dirge]

I mean it made uni pretty easy, IB HL math/physics were brutal XD

[timid swift]

they are nothing compared to college physics

[willow sigil]

scary

[amber dirge]

I did occasionally implode from the number of assignments tho

[timid swift]

yes that's true, but they don't put enough of vectors and calculus into physics in IB

I think that is a problem, because in college physics everything is about that

[amber dirge]

True gotta do the math for the calc/vector stuff, I resented the amount of theoretical stuff in IB physics sometimes

[willow sigil]

you finished undergrad?

if you're tutoring a level further you're probably familiar with what they teach
though the options do depend
like i will have done a very shallow dive into group theory, recurrence relations, multivar calc and matrices (for matrices my spec only really teaches eigenvalues/vectors on a basic level)

[amber dirge]

Hence engineering lol

[timid swift]

it is not, you are very inteligent as it seems, if you understand what the symbols bean, you can learn pretty much everything!

[willow sigil]

well i have already lol
my exam on that is in 2 months

[amber dirge]

Yeah I graduated, flying planes now xD

[timid swift]

group theory 💀

abstract algebra

thanks god I don't have to study that for engineering

[amber dirge]

And yeah I'm pretty familiar, it varies but engineering means I've encountered all of it to an extent even if I didnt study it in sixth form lol

[willow sigil]

that is fair
i have done some linear algebra and basic analysis (riemann integration and limits but not differentiability lmao)
but this is outside of school

[willow sigil]

pilot???

[willow sigil]

it's not so bad in a level
but then again that is a level
i've done axioms and lagrange theorem
that's it lol

[timid swift]

I love integration, I am actually working on a personal project, I am developing a new generalized method

[amber dirge]

Yee

[willow sigil]

damn
ryanair?

[timid swift]

lolll

that is so cool

@willow sigil what are you planning to study in college(?)

[willow sigil]

also how tf did you go from engineering degree to pilot

[amber dirge]

In the middle of training at the moment but I'm training with BA lmao

[timid swift]

lol

[amber dirge]

No real academic requirements for being a pilot just didn't want to go straight from school to flight school and liked applying math to irl stuff haha

[timid swift]

@amber dirge do u know programming(?)

random question

[willow sigil]

masters in mathematics
so 4-year course on just plain mathematics
obvs when i get into uni i can chop and change

like my brother went from data science 1st year to maths and stats 2nd year
he found the compsci too easy

[amber dirge]

matlab and a bit of java, I pawn most of my coding problems off onto my compsci grad friends tho lol

[timid swift]

lol cool, I know many people that study applied mathematics, actually I work as a tutor here and have many coworkers that are majoring that

[timid swift]

YES

PLEASE

[willow sigil]

ah i flew with them uhhhh 7 years ago
they were good
idk i just remember having a nosebleed and the flight attendant being really nice lol
gave me like a shit ton of snacks (whole ass box)

[timid swift]

I NEED HELP IN MATLAB

🥺

[willow sigil]

i was 10

[timid swift]

I think I broke the app

[amber dirge]

Quite tricky for me to help with matlab now as I lost access to the matlab software when I graduated XD there's definitely a discord for it somewhere or stackoverflow carried me

[willow sigil]

how tf did you even get in
genuinely curious

i may go and try to become a train driver for a while after uni
before i go do my PGCE and NQT and whatever and become a teacher

[amber dirge]

ChatGPT is probably super good too but I graduated just before it came out

[timid swift]

hm I will try that

[willow sigil]

lmao i used chatgpt to write me a neural network once
i had 1 day before a presentation

[timid swift]

I will try looking for one

[willow sigil]

it worked out all good actually after some tweaking

[amber dirge]

Saved a lot, parents helped a bit, then just applied to BA in training (a bit like applying to jobs in the final year of uni)

Far too many rounds of assessment later I got an offer XD

[willow sigil]

i see

sweet

that sounds really cool

well
maybe not the 32525 assessments

but yk

[amber dirge]

yeah other than that it's pretty cool, can't really complain lmao

[willow sigil]

fair lol

damn you two genuinely sound like really cool people
would love to have you two as friends
but we're just talking over discord lmao

the help has been very much appreciated, thank you

[timid swift]

hm I don't think I can find help for my code in the matlab discord sv

[timid swift]

aw thank u<3

where r u guys from(?)

[willow sigil]

united kingdom

souf england yeahhhhh

[timid swift]

loll

british

skadjf

[willow sigil]

we do actually have less stabbings and better teeth than you

[timid swift]

I mean u sound also very intelligent, I mean you are 18 and already study all this

[willow sigil]

wait actually you're not american what are you lol

[amber dirge]

Hahaha well gl in your A Levels I suspect you'll be just fine if all you're struggling with is ODEs they're pretty tricky as A Level goes XD Ping me a DM if you want curious how you find pure math once you start at uni lol

[amber dirge]

South ftw

[timid swift]

hm It is complicated

but yes, I am not from the us

[willow sigil]

17
i skipped a year 4 in primary school lmao

[timid swift]

lol

I am 18 ksjdah

second year college

[willow sigil]

sure can do
i think i'll be fine for my a levels i need A*A*A, my mocks a few weeks ago were A*AA

maths further maths physics

[willow sigil]

sweet

[amber dirge]

2 A*s good lord, oxbridge?

[willow sigil]

warwick

[timid swift]

o

[willow sigil]

i did not apply to oxbridge lmao

[amber dirge]

Wowee I didn't know they were that demanding

[willow sigil]

was not interested

[amber dirge]

Neither me friends there mega suffered

Does warwick still do step for math applicants?

[timid swift]

this english is too complex for me

what is warwick(?)

[willow sigil]

lmao i have heard stories of people just dropping off the map lmao once they go oxbridge
like workload so intense
accommodation so expense 💀
have to move out every 8 weeks 💀

[willow sigil]

a university in the UK

fairly new for a uni

opened 1960s

[willow sigil]

yes

but i am not taking step

[timid swift]

oh lol I see

[willow sigil]

i did MAT and TMUA

got a 64 (they wanted 64) and 7 (they wanted 6.5) respectively

[timid silo]

Why?

[timid swift]

Test of Mathematics for University Admission?

[willow sigil]

so my offer was reduced from 3 A* to A*A*A

[timid swift]

what is step:(

[willow sigil]

uhhhh i really cannot be arsed

[amber dirge]

This is a big win, nicely done haha

[willow sigil]

it's in the middle of my a levels

[willow sigil]

aye

[amber dirge]

Some exam that scared me when I was in sixth form, havent looked at it more recently though XD

[timid swift]

oh

[timid silo]

Have you tried to prepare for it or something?

[willow sigil]

entrance exam for university maths - you need to do it for cambridge maths
but other unis reduce the grades you need in normal a level subjects if you do well in it

[willow sigil]

no xd

i didn't register for step

i don't need it; thank fuck

[timid silo]

Oh alright just have 1 month before it so yeah

[timid swift]

lol sounds complex jdsahkf

I feel a little bit dumb now

[willow sigil]

yeah not needing an A* in physics is awesome
means i can go from about needing 85% overall to 75%; buys me a lot of leeway

[timid silo]

Well so far is 3-2 which is suck

[timid swift]

shoud've gone to the uk instead of the us

[timid silo]

Like to get 2-1/S is quite hard you need to be fast and precise

[amber dirge]

https://www.bbc.com/news/uk-england-cambridgeshire-41899293

Year that my friend started there lmao

[willow sigil]

arguably
i can't speak much for how the us education system is i don't know enough xd

[timid swift]

it is good but not as in the uk as I can see

[willow sigil]

yeah
i have friends who are going to cambridge
well, one needs like A*A*A and 1-1 💀

[willow sigil]

yup

[timid silo]

Yeah I know.

I know I won't get 1
But my classmates seems to fall short as well so I kinda want to figure out some strategy

[willow sigil]

i visited oxford

[timid swift]

https://tenor.com/view/poop-cat-meme-dark-fnaf-gif-2491098315710587638

[timid silo]

Because I have done around 70+ questions maybe more and I can probably do 3 questions on a lucky day. I haven't tried applied yet, I am doing physics so it might be useful

[willow sigil]

i kid you not the main bits of oxford felt too nice lol
i'm not used to a city without some shithole areas
though if i looked hard enough that would probably be the case

i wasn't so much a fun of the posh vibe
and like being fined for stepping on grass bruh

[timid silo]

Better to get 1 in step then getting 70/75 in further math

[willow sigil]

i would probably get used to oxford after a while
but yeah i also couldn't be bothered to meet early deadline

[willow sigil]

ah

are you applying to cambridge? what's your offer?

[timid silo]

No I am not

Warwick

[willow sigil]

oh you just need a single 2 lol

[timid swift]

I thought warwick was a league of legends champion

[amber dirge]

It's a small world XD

[timid silo]

I am not going to give up on this

[amber dirge]

I obliterated their Dota team when I was at uni but yeah I seem to recall them having a good rep for LoL

[timid swift]

JHDGSJA

I play league a lot

on the weekends

[willow sigil]

i am going to join warwick's CS team
one large reason i chose warwick over other unis (i applied warwick lancaster glasgow durham bristol; durham is my insurance)

[timid swift]

weekdays I cant bc I work and study and I get very tired

[willow sigil]

was because they have really good esports with industry links and shit

and i have like

5k hours in cs

[timid swift]

LoL is better...

lol

[amber dirge]

I looked at Durham, despite being a Kent boy I couldn't deal with the feigned poshness from so many of them, if you go there just avoid castle accommodation and you'll be fine lmao

[timid swift]

Maybe I should join an esports team

[timid silo]

Only 1k :/

[amber dirge]

[timid swift]

guys your englishes are so good wth

I mean u are native speakers I guess

makes sense

[timid swift]

it is!!

[amber dirge]

I like my Dota vibes learning a new moba would mega stress me out tbh

[willow sigil]

that is completely fair

[timid swift]

guys do u play minecraft(?)

[willow sigil]

you have to rank colleges for durham; i ranked the more modern/more relaxed (less posh ones) top

[willow sigil]

i didn't see castle on my offer holder day a week ago or so
it was closed
but i wasn't so interested in it either

if i do go to durham (offer A*AC lmfao they really liked my TMUA score), i could still get allocated my 16th college choice 💀

[timid silo]

Wait what do you mean by posh?
Like does it matter for undergraduate?

[willow sigil]

used to play a fuckton
i installed cs on 22/12/2018

kind of haven't really left it since

still though; mc is a great chill game

still play it sometimes

don't always want to sweat in a tac fps lmao

[timid swift]

I love minecraft:)

[willow sigil]

indeed

[amber dirge]

I mean it doesn't matter but it was more a case of the kind of people I wanted to be around, I went to Surrey (mainly because it was one of the only unis that did medical engineering and it is incredibly reputable for it), fairly posh so I felt somewhat at home but not the kind of combative posh that a lot of Durham peeps are

[timid swift]

but I haven't played in a while, I am more into LoL now

[amber dirge]

Location and degree content should be your primary factors really

[amber dirge]

Ditto this lol

[timid silo]

Ah I am just too confused with ranking system in UK, like who cares if modulus are more or less the same for most universities, anyway you are not doing researches or anything important on undergraduate, so it more about grades.

[amber dirge]

This said Durham is a lovely uni and I know a lot of people who went there and are very well adapted humans so please don't take this as a suggestion that you shouldn't go, I just didn't get on with it too much XD

[amber dirge]

Yes this is also very true, UK rankings are not that useful

It's useful to get a general feel of whether the uni is 'known' for the subject, but like the difference between 1st and 20th is really non-existent for graduate outcomes

[willow sigil]

that's fair
i think my steam is on my discord profile; you can see the agames and stuff i've played there

[willow sigil]

there's like too many different rankings

and they're not consistent

when i chose my universities i was like "top 20 or so? yeah anything from there works"

[timid silo]

Yeah

[willow sigil]

there were some unis i specifically avoided

like oxbridge

imperial too a stem-only uni
i want to talk to people doing other stuff lol

[timid silo]

Why predicted grades so weak for application?
I mean in my collegue they took only paper 1 for predicted grades which is hilarious since AS level have 2 of them

[amber dirge]

Imperial is Oxbridge level loss-of-soul-and-will-to-live for stem lol

[timid silo]

What is stem? Like I have seen this phrase but never bothered to Google it

Science, technology, engineering, and mathematics

Alright I googled it

[willow sigil]

yep

[timid swift]

oh cool

[timid swift]

yeah jkdsahk

I study here mechanical and aerospace engineering in the us

stem majors are the best

[willow sigil]

wdym?

[timid silo]

Nevermind.

[willow sigil]

i got predicted 3 A* with my phys teachers full well knowing i was only on the cusp of an A*
but they figured it would be best if they predicted me A*, so that's what i applied with

[amber dirge]

tbf unless you crumble under exam pressure people tend to exceed their prior performance in the real thing haha

I pulled some 7s out the bag in the IB that before the real exam I was way off of lmao

[willow sigil]

i have a friend who was rejected for aerospace at bristol lol

[timid silo]

Yeah but I mean I think year 1 tests should be a little bit harder.

[willow sigil]

oh yeah they should
i mean my school is kinda special, so i can't really comment on those for that

[timid silo]

That's cool

[willow sigil]

i would mention my school but i'm not doxxing myself lol (yet)

[timid swift]

lol no:(

[willow sigil]

an A in AS is worth an E in a level xd

i took chemistry for 1 year

[timid silo]

Yeah

[willow sigil]

dropped afterwards since i really couldn't be bothered

[timid swift]

I mean Im just getting a minor in aeroespace, but I am still doing lower division curses

[amber dirge]

chemistry

[timid swift]

Love chemistry

[amber dirge]

Chemical engineers scare me

[timid silo]

Exactly but I haven't droppe it

[willow sigil]

yeah unfortunate
some courses are really competitive, like PPE, maths at oxbridge, aerospace at bristol (because bristol is best for it)

i have a friend who applied for computer science; he's gotten 3 rejections

[amber dirge]

I did a year of medicine before defecting to being a pilot knowing I could earn twice as much, words cannot describe how relieved I was that chemistry didn't feature at all despite it being a requirement

[willow sigil]

and he had 4 A* predicted

[timid swift]

oh

I mean here in the us I'm not sure

[timid silo]

That's why they need to make them harder or make entrance exams for comptetetive courses in any uni

[timid swift]

u just do your lower division, pay 70k dollars a year and ur good

and maintaining a good gpa

[willow sigil]

how did you defect to being a pilot?
was medicine your masters or?

[timid silo]

Like I would prefer to do more hard tests and fail in most of them then doing a couple of easy one and doing mediocre at some of them.

[amber dirge]

70k/year is why I turned down my Stanford offer much to the dismay of my school lmao

[amber dirge]

Started a graduate medicine degree

Then left after a little over a year and started flight school instead basically XD

Medicine a very poor investment in the UK rn I feel

[timid silo]

It just takes millions of years to study for it with less work avaliable then other sectors

[willow sigil]

ah i see
was that a 1 year masters?
also what how does flight school require chem?

[amber dirge]

Indeed, and my starting salary in the NHS would be 35k whereas at BA it's closer to 60 lmao

[willow sigil]

rip my friend doing med at oxford

he's in his 2nd year currently

[timid swift]

what, so r u a pilot, engineer and doctor(?)

[amber dirge]

I admire his sacrifice

[willow sigil]

NHS with this tory government 💀
i can't even vote in the next election lol
thankfully it doesn't matter

[amber dirge]

Grad medicine is 4 years, I got some kind of certificate from it having done the better part of 18 months but not really needed lol

[willow sigil]

ah

[timid swift]

I feel so unproductive:(

[timid swift]

whattt

[willow sigil]

ah dw about it i'm revising genuinely for exams for the first time (excluding MAT and TMUA) ever in my life
and i have 2 weeks until my most important paper

i fuck that paper up i say goodbye to my further maths A*

[timid swift]

dw (?)

[timid silo]

2 weeks and what paper?

[willow sigil]

core pure

further maths

2h 40m

worth 50% of my a level

[timid silo]

Ah what why how?

[willow sigil]

i spent most of my lessons in year 12 asleep lol

last year

[timid silo]

One paper 2,4 hour?

[willow sigil]

uh
i take further maths
that is what the OCR MEI B spec is

[willow sigil]

2 hours 40 minutes

[timid silo]

Wait so you can take alternative specs and they are still equal to a level?

[timid swift]

the IB literature exam 1 was 2 hours 10 minutes, and it was just all writting

in a paper

[willow sigil]

i see

[willow sigil]

yes

[timid swift]

my hand was dead after that exam

[willow sigil]

wait are you an international student?

[timid swift]

wrote like 7 pages

[timid silo]

Is it harder then the one for 1:30 minutes?

[willow sigil]

in the UK you have like different exam boards that all give the same qualification

[willow sigil]

what exam board?

[willow sigil]

i wrote 15 pages in an english exam summer 2022

lmao

[timid swift]

but by hand

[willow sigil]

though thats on me for big handwriting

[timid swift]

in a 2:10 exam

[willow sigil]

yes

[timid silo]

I know but there used to be much more specs for a level like math, further math and further further math or whatever

[timid swift]

I was dead

my handwrite is super small

[timid swift]

lol that is crazy

[willow sigil]

that's fair

[timid swift]

and I ended up with a 5 as a grade in IB

[timid swift]

50 words per line

aproximately

I have friends that do 7 words per line

[willow sigil]

bro i wrote like 6 - 8 words per line

[timid swift]

my handwrite is super super small

[timid silo]

I do 3 per line

Maybe 4

[willow sigil]

ah yeah nah
just diff examboards

[timid silo]

I don't do notes actually

[willow sigil]

"guys what are hand cramps"

[timid silo]

Too much time unless I do math

[timid swift]

I love doing notes in classes:)

making notes

or howeer u say it

[willow sigil]

i think you'll find that may hurt you later on
idk maybe it won't
but you will probably need to learn to do that at some point

notes are very useful

even if you never really look at them again

[timid silo]

I do sometimes but for physics it easier not to do notes on lesson however at home I do notes

[willow sigil]

writing notes by hand is better for retention and understanding than typing electronically btw

ah that's fair

[timid swift]

my roomate, he is on the same chem class as me but different section, he doesnt do notes and I have like 70 pages of notes in total. My grade is 110% his is like 70%

[timid silo]

When I used to learn chemistry I literally rewrited a book 1:1 ratio so I can write notes pretty fast

[timid swift]

and I have to teach everything

and all the shortcuts I know

[timid silo]

There is just too much going on lesson to start writing anything, that's why I just don't have enough time for notes on lesson

[willow sigil]

lmfao
i forget you have extra cred in the us as well

[timid swift]

yeah

[timid silo]

So that's my notes I do at home

[timid swift]

I mean but it is still difficult, the extra credit usually is a lot harder ksajdhkf

[timid swift]

what

[timid silo]

Too much to do on lessons

[timid swift]

:p

how

but that doesn't have anything to do with organization!!

[timid silo]

There is too much of them I had like 3 bags of them.
2 of them already in a bin

[willow sigil]

ah love cgp
carried my gcse sciences cramming

[timid silo]

Yeah

[timid swift]

https://tenor.com/view/meow-cat-kitty-cute-bye-gif-17017321

what is cramming

the fraudulent practice of adding unauthorized charges to a customer's phone bill.

lol

[timid silo]

[timid swift]

awww

kitty bread

[willow sigil]

last minute revision right before an exam

[timid silo]

Yeah bread is my favourite emoji and cat my favourite animal, so... Whatever

[timid swift]

I do quintuple checks for my exams here

for my chem stoichiometry thing I had

I would confirm getting the atomic mass of copper from my answer

[willow sigil]

oh yeah that's good

i would do that in maths but i keep running out of time

[timid silo]

Yeah can remember revising 30 minutes before exams just to be 5/4 marks away from 9 in gces

[willow sigil]

i need to do practice papers lol

[timid swift]

I have a strategy for exams idk if this will work for u

[willow sigil]

ah unfortunate
so many of my gcse results i was just into the boundary lol or right on
so i was fine

[timid swift]

I am a very fast thinker so what I do is I just speedrun the exam with the answes, I dont car if they are right or wrong, I just solve it in 1 min each

and then go over them a second time

[timid silo]

That's good because running out of time is bad thing

[timid swift]

my previous roomate taught me that hm

[timid swift]

yes, I have many classmates that run out of time, so that is what I do

that way u get rid of the easy questions, and u use the time left to double check

bc if u double check and u have missing questions ur cooked

[timid silo]

Yeah I just skip multiple choice questions

[timid swift]

KJSHDS

[timid silo]

And do them at the end

[timid swift]

those are the hardest ones

[timid silo]

In 5 minutes

[timid silo]

Yeah

[timid swift]

oh

I mean idk about u but

I have a graphic calculator

[timid silo]

I am not sure for what reason the were even created

[timid swift]

so if I am doing some kind of vector problem, I double check with that

[timid swift]

ksajdhgf

[timid silo]

Like why would you want to do physics just to have 4 solutions for a problem

[timid swift]

I don´t trust myself enough 😢

[timid silo]

4 possible*

[timid swift]

yesss

[timid silo]

Last time I got 15/20 so not bad

[timid swift]

I mean and professors don't even say everything I mean

[timid swift]

uh that is very good!

tomorrow I have to present a project for my MatLab class!

i completely change the topic of the convo

but anyway

[timid silo]

How long this presentation take?

[timid swift]

I would like to know which grad would u give my project

[timid swift]

only 3 minutes 💀

we are like 60 people in the class

and everyone must present

[timid silo]

[timid swift]

in front of everyone with a video

o

it is a pretty big group dajkfshl

[timid silo]

Yeah but 3 minutes is wild

[timid swift]

is it too less(?)

yes I it not a lot of time, but we need to explain like

why is your cide usefil

limitations

why is it good for society

how it works

[timid silo]

How long it take to make (cook) presentation?

[timid swift]

my code has 120 lines

[timid swift]

hm

idk like 10 mins

in 10 mins I think I would say everything I'd want to say

bc I wont be explaining every single line I mean

my code has an if inside of a for inside of a for inside of a for inside of an if inside of an if

[timid silo]

So what will be your final project for Bsc?

[timid swift]

Bsc(?)

ah no

it is just for this class

[timid silo]

Yeah I know
I mean what kind of project you will have for your final year? .

Because for physics is Standart model or whatever

[timid swift]

KDJSAHGFJS

discovering the preons

imagine that

[timid silo]

Yeah that's tuff

[timid swift]

hm I still need 2 years

of studying and I have to take one class during my last 2 semesters

that is for my final project

but for now this is just a final project for programming

[timid silo]

[timid swift]

sajhdg

[timid silo]

Alright good night /evening /afternoon
Ah wait evening and afternoon the same thing
Whatever

[timid swift]

here its like 2 pm

anyway

[timid silo]

Sndnfnkdkd

[timid silo]

So it is gooday

I knew it

[timid swift]

it is

buenos dias

https://tenor.com/view/poop-cat-meme-dark-fnaf-gif-2491098315710587638

guten tag

[timid silo]

22:22:bleakcat:

[timid swift]

what(?)

[timid silo]

Nevermind

[timid swift]

kjlsadhfgj well

I'll make my 3 min video

[timid silo]

[timid swift]

and I will do it in the most coquette way possible 🩷

imagine sakdjhkf

[timid silo]

I will make my 8 hour sleep see you tomorrow

[timid swift]

like

[timid silo]

?

[timid swift]

vector plotting in matlab 🩷

[timid silo]

[timid swift]

I love vectors

I love telling to my tutees, you cant do that because is a vector!

and then their reaction is like

https://tenor.com/view/poop-cat-meme-dark-fnaf-gif-2491098315710587638

[timid silo]

[timid swift]

jhdasfksj well anyway

I will finish my thing<3

today I learned about education in the UK jkdsahf

[timid silo]

[timid silo]

Today I learn that you can eat tiramisu with your fingers

[timid swift]

tiramisu(?)

[timid silo]

Yeah

Italy

[timid swift]

oh

[timid silo]

White stuff with black on top of it

Ah whatever

[timid swift]

hm I know that

but I havent had it in a long time idk

[timid silo]

I am lucky that I have good one near me. Like every shop have different one and they all have different taste

Alright good luck

[willow sigil]

i went to eat
and now i'm back

am i supposed to .close this?

[timid swift]

https://tenor.com/view/fine-then-well-bye-cute-sad-cat-gif-16163566

[timid swift]

if u want to

im not sure how this works

[willow sigil]

you have really cute gifs damn

[willow sigil]

i kinda don't wanna
i didn't expect a simple ish question to make friends and have such nice conversations lol

[timid swift]

I because I am cute 😡

nah just jokingn jhsadk

[timid swift]

yeah It is crazy

[willow sigil]

you are!
idk i haven't seen you but i'm not going to doubt the fact

positivity is nice
genuine positivity ofc

[timid swift]

awww thanks

I mean cuteness is subjective

idk ah

[willow sigil]

true!
i'll stand by what i said i like it

https://tenor.com/view/shrimp-incredible-krill-crab-gif-4661271430329690317

[timid swift]

https://tenor.com/view/shocked-shocked-cat-silly-cat-cat-kitten-gif-7414586676150300212

[willow sigil]

https://tenor.com/view/kitten-small-swimming-floor-crawl-gif-4536438629386526549

[timid swift]

aww noo poor cat

well guys if u want to play league of legends or minecraft

I want to so

lmk:)

[willow sigil]

sure can do 💜

[willow sigil]

dw it lived

(i think)

[timid swift]

dw?

I am still trying to figure out what it means:(

https://tenor.com/view/cat-kitten-cat-crying-kitten-crying-05starrynight-gif-10141647709992578610

[willow sigil]

ooooh i thought you knew

the whole time i thought you knew and i was confused at the ? marks

[timid swift]

no uh

[willow sigil]

it means "don't worry"

[timid swift]

klsadjhf

[timid swift]

https://tenor.com/view/sad-cat-cat-in-front-of-sea-gif-16930437336998530733

SO THIS WHOLE TIME IT WAS JUST THAT

[willow sigil]

it was yes

indeed

[timid swift]

indeed:)

[willow sigil]

https://tenor.com/view/cat-cat-kiss-cute-cats-cats-kissing-gif-6574923809104236780

[timid swift]

ok hm

I'll go to finish doing my presentation

[willow sigil]

you have fun with that

take care; was amazing talking to ya
may we talk again soon 💜

[timid swift]

https://tenor.com/view/you-can-has-cheesburger-cat-cheese-burger-here-kitty-kitty-gif-3135869387599352255

[obtuse pebble]

@willow sigil Has your question been resolved?

[obtuse pebble]

Channel closed

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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.

[lusty badge]

separate the 3 into 4 - 1 and regroup.

[frank sinew]

ohk

[frank sinew]

🙂 THANKS BRO

do u know how to close this channel

[long depot]

.close

[timid silo]

i

need help with math

asap

[frank sinew]

.close

[obtuse pebble]

Channel closed

Closed by @frank sinew

Use .reopen if this was a mistake.

[obtuse pebble]

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>.
• 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.

[fathom basin]

How do I identify which method to use on solids of revolution?

[obtuse pebble]

@fathom basin Has your question been resolved?

[obtuse pebble]

Channel closed

Closed due to timeout

Use .reopen if this was a mistake.

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>.
• 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.

[exotic locust]

What mistake did I make here😭the answer should be -1,-2, postive 4

[exotic locust]

Also please check if it's correct..

[timid silo]

where'd you get $x^2 + 10x$

[warm shale]

zeinvincible

[exotic locust]

Not + it's minus it's in question

Oh that i just added them

🐥

Or was I not supposed to 😭

Thoug it doesn't matter that's a wrong one i didn't use them I was just trying to solve but that's a wrong one .. ignore that

[hollow badger]

How did you go from the first line to the second line?

[exotic locust]

Hahaha wait wait

Like this like this baka

The answer should be -1,-2,+4 but i got -4 why why

🐥i just noticed that I used +1 in synthetic 😭

.close

[obtuse pebble]

Channel closed

Closed by @exotic locust

Use .reopen if this was a mistake.

[obtuse pebble]

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>.
• 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.

[shadow musk]

Hi can someone help me?? 🥺

[shadow musk]

Im working or conics specifically ellipses

[obtuse pebble]

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/

[timid silo]

!status

[obtuse pebble]

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 was told that it's wrong.
4. I got an answer and would like my work checked.
5. I have a question about someone else's work/solution.
6. I have completed the problem and don't need help anymore. Thank you.
7. None of the above

[timid silo]

wait where's ur question

[heavy shore]

try using "completing the square method"

[shadow musk]

These are from notes

[heavy shore]

see, you used completing the square method here as well

so do the same for this problem

[shadow musk]

The thing that has me stuck is in the problem they gave us there’s z w and v

[heavy shore]

$$(x+\frac{z}{2})^2 + (y + \frac{w}{2})^2 + (-z^2 - w^2 + v) = 0$$

[warm shale]

penguin

[obtuse pebble]

@shadow musk Has your question been resolved?

[shadow musk]

Just give me the answer 😭🙏🏽

[heavy shore]

try it yourself and ask if you need any help

[shadow musk]

Bro pls 🙏🏽🙏🏽

Ive been stuck on this for more than an hour

[heavy shore]

can you find out the value of z and w from this and knowing the centres?

[shadow musk]

I think i got z equals 6 but im not sure

[heavy shore]

z=4 and w = -6 right

[shadow musk]

How did u get that 😰

[heavy shore]

(x-h)^2 + (y-k)^2 where (h,k) is the centre. does that help? all you need to do is compare

[shadow musk]

Compare what

[heavy shore]

centre of this ellipse and this equation

[obtuse pebble]

Channel closed

Closed due to timeout

Use .reopen if this was a mistake.

[obtuse pebble]

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>.
• 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.

[tall raptor]

I feel like my working is correct and answer. Unless it isnt, So I just wanted to see if someone else gets the same answer

cuz if so then ill just email professor and say i think Q is broken

[obtuse pebble]

@tall raptor Has your question been resolved?

[tall raptor]

.close

[obtuse pebble]

Channel closed

Closed by @tall raptor

Use .reopen if this was a mistake.

[obtuse pebble]

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>.
• 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.

[restive gorge]

I am given $$f(x,y) = \begin{cases} 1 & 0 \leq x \leq 1 \text{ and } \abs{y} \leq 1-x \ 0 & \text{ else } \end{cases}$$
and I want to calculate $P(X \leq 0.5, Y \leq 0.5).\$
So I was wondering if that would be a square $R = [0, 0.5] \times [0, 0.5]$ that I would be integrating over, such that
$$\int_R f : \dd A = \int_0^{0.5} \int_0^{0.5} \dd x \dd y = \frac{1}{4}$$
Is that correct? In the solution it says $$P(X \leq 0.5, Y \leq 0.5) = \frac{5}{8}$$

[warm shale]

𝔸dωn𝓲²s

[zenith raft]

your square is too small

there are points outside R that f maps to 1

the support of f is a triangle not a square

[obtuse pebble]

@restive gorge Has your question been resolved?

[restive gorge]

If I integrate over the triangle (the whole region) I would get 1

[zenith raft]

sure that's expected

[restive gorge]

How

P(X <= 0.5, Y <= 0.5)

Is what we want

[zenith raft]

yes but you computed P(0 <= X <= 0.5 and 0 <= Y <= 0.5)

[zenith raft]

integral over whole space of any pdf should be 1

[restive gorge]

Yea I get that

I just dont get how to calculate those probabilities

If it's it not and what is it then?

or?

[zenith raft]

it is and

P(X <= 0.5 and Y <= 0.5)

one second