@blissful depot what help do u want
#help-19
neon pebble
upper onyx
why?
blissful depot
i need help solving point B
upper onyx
well, if this is your opinion, i did it.
blissful depot
well, show me, please
upper onyx
name the side of the square a (or whatever you want). what is EC then?
blissful depot
name the side of the square a (or whatever you want). what is EC then?
it's a^2 + ED^2
upper onyx
i would take a/cos(15)
blissful depot
right, but I cannot use sin/cos, although I learned them.
that makes it 5 times harder not gonna lie.
upper onyx
you should have said that at the beginning.youre wasting my time.
blissful depot
sorry
blissful depot
you should have said that at the beginning.youre wasting my time.
So you're gonna help or not?
blissful depot
exactly
dry scarab
i need help solving point B
look at triangle ACF, build it up to a rectangle and get 1/2FC=AT
odd edgeBOT
@blissful depot Has your question been resolved?
dry scarab
how is it not resolved? @blissful depot
more hints: A in ACF is 90°
FC = EC + EF
EF = ET
odd edgeBOT
@blissful depot Has your question been resolved?
dense vapor
- R(5,9) 2. (3,7) U (22,29)
odd edgeBOT
1. R\(5,9) 2. (3,7) U (22,29)
dense vapor
- R\ (5,9)
That is = all numbers, but 5 and 9
but I thought only number 5 or 9
since (5,9) = all between
and when R\ it reverse?
- Numbers between 3 and 7 and between 22 and 29
low locust
R\(5,9) is all numbers excluding the numbers between 5 and 9
note that 5 and 9 are included in R\(5,9)
dense vapor
(5,9) All numbers between 5 and 9, excluding 5 and 9
R(5,9) either Number 5 or 9, excluding numbers in middle
This is my understanding of the problem
Answer says, all numbers excluding middle of 5 and 9
@low locust Wait nvm I got it
Ty bro
.close
odd edgeBOT
odd edgeBOT
Available help channel!
rapid path
I would like to know how to convert a decimal number to its representation on a base of the square of 10.I have to code a program that does so and i don't get to understand the math behind it. Apparently, 9 is represented as 9, 98 as 908 and 987 as 90807. I don't understand how i have to get those numbers
wooden python
did you mean the square root of 10, instead of "the square of 10"?
dry scarab
98 = 9 * 100 + 8 987 = 9 * 10000 + 8 * 100 + 7
rapid path
did you mean the **square root** of 10, instead of "the square of 10"?
Yes, √10, sorry
wooden python
anyway those representations look sus to me -- base sqrt(10) wouldn't have any digits above 3.
please show the original problem exactly as stated
yes even if it is in another language
rapid path
wooden python
the base sqrt(10) representation of 9 isn't just 9, i'm p sure.
rapid path
:/ My program can convert to any other base (simple base at least, such as 8, 2, 15, etc) but this one....
I don't see the math
dry scarab
looks like base 100 to base 10
wooden python
this is a bullshit assignment
give me a moment
the actual representation of 9 in base sqrt(10) begins with 22.20110110... and goes on forever
rapid path
Pretty weird of a problem
dry scarab
looks like base 100 to base 10
but there is not enough letters to get to the last digit 
wooden python
Pretty weird of a problem
yes
how hard will the teacher punish you for not completing this problem?
if at all
rapid path
No punishment, it doesnt even count for my grade
wooden python
i've computed a few more digits for 9:
22.2011011011220130010012...
wooden python
No punishment, it doesnt even count for my grade
ok then throw it in the trash lol
it's poorly stated
and there's no consequence
wooden python
i mean like look
rapid path
xD maybe itll wear off my mind
wooden python
they WANT you to just insert zeros between each digit of the input number.
except the way they try to make it sound "mathy"
it just falls flat
dry scarab
ok then throw it in the trash lol
doesn't 98 base 100 = 908 base 10?
wooden python
doesn't 98 base 100 = 908 base 10?
yes but here we are not talking about that.
we are talking about converting base 10 to base sqrt(10).
young moss
I think I programmed it correctly 👀
rapid path
Mathematically?
young moss
def decimal_to_base100(decimal):
result = ""
while decimal > 0:
two_digits = decimal % 100
result = str(two_digits).zfill(2) + result
decimal //= 100
return result
No lmao
wooden python
def decimal_to_base100(decimal):
result = ""
while decimal > 0:
...
you are solving a different problem still...
do you people not understand
young moss
Seriously I thought that was the problem 💀
wooden python
you JUST saw me tell somebody else
that base 100 is NOT involved
at all
in the slightest
young moss
I wasn’t reading the texts :p
rapid path
Well if it works... Looks like the problem is either incorrectly written and it should be asking to implement something different or the answers are straight wrong
wooden python
wooden python
Well if it works... Looks like the problem is either incorrectly written and it ...
yes
the problem is incorrectly written
AND IT ISN'T YOUR JOB TO FIX INCORRECTLY WORDED PROBLEMS
young moss
Throw that in the 
rapid path
On my way!
Will send him an email
Well thank you all guys!
I have been having a nightmare these past 2 hours
.close
odd edgeBOT
odd edgeBOT
Available help channel!
turbid harness
odd edgeBOT
turbid harness
do we have to use the del operator here? (gradient)
if yes then why , like whats the proof that the del gives us normal vector because i cant find
odd edgeBOT
@turbid harness Has your question been resolved?
odd edgeBOT
@turbid harness Has your question been resolved?
turbid harness
.close
proud schooner
why is this the range of the graph? isn't it [2,2]? Or is it the same as that?
proud schooner
and why is it not a function? it does pass the vertical line test.
odd edgeBOT
@proud schooner Has your question been resolved?
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Available help channel!
midnight frost
can someone double check if my answer is correct pleasee :<<
quasi sparrow
can someone double check if my answer is correct pleasee :<<
,w sum n = 1 to 6 of 1/(1+n)
clever fjordBOT
quasi sparrow
,calc 223/140
clever fjordBOT
Result:
1.5928571428571
do i need to round it off?
quasi sparrow
can someone double check if my answer is correct pleasee :<<
Rounded too much, missing + signs around each fraction, extra equal sign after Sigma
midnight frost
Rounded too much, missing + signs around each fraction, extra equal sign after S...
i know , i will still rewrite my solution
i just needed to check if my answer was wrongg
or correct
T-T
is it 1.58 or 1.59
quasi sparrow
This is the exact answer
quasi sparrow
Result:
```
1.5928571428571
```
This is that fraction in decimal form
odd edgeBOT
Available help channel!
tawdry cave
**
**
manic sleet
!status
odd edgeBOT
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
lavish osprey
-1
H̵͙͐E̸̬̤L̶̞͔P̸̢̧!̵̡̨
fallow tapir
Here is the solution, dont !nosol me
**
**
zinc glacier
!nosols
odd edgeBOT
As a helper, please do not give out answers that could be copied as a homework solution. Have the student work through the problem themselves and guide them along the way.
manic sleet
Here is the solution, dont !nosol me
**
**
that's a horrible solution, generally when approaching these problems you want to show how you manipulate the other side of the equation:
fallow tapir
but your solution is wrong according to the 'Golden Rule of Integral Kalkulus', your whole manipulation is wrong, here is a better one that is right according to the 'Bronze Rule of Differential Kalkulus":
**
**
manic sleet
but your solution is wrong according to the 'Golden Rule of Integral Kalkulus', ...
but you didn't account for the Silver lemma
zinc glacier
the Bronze Rule is not applicable here, its actually the Copper Rule if you are using the Silver Lemma
manic sleet
the Bronze Rule is not applicable here, its actually the Copper Rule if you are ...
but what about using the emerald theorem? then you could use the Bronze Rule, you can just avoid the topological nightmare of the Copper Rule
fallow tapir
but the Copper Rule isn't applicable if the integrand is under coose function.
manic sleet
but the Copper Rule isn't applicable if the integrand is under coose function.
oh my god coose functions
I forgot about those
fallow tapir
they are horrible
manic sleet
that's like enemagneto theory 101 smh
fallow tapir
what we need to do is break the integral using grass theorem and apply pythagoras on the second part.
manic sleet
what we need to do is break the integral using grass theorem and apply pythagora...
but pythagoras doesn't hold in the enegmagentic space if you apply the Golden Rule?
zinc glacier
ah right, the pythagrass method!
fallow tapir
ooh yes, you are right
this is a really good question
I wonder what OP is thinking
manic sleet
.close
deep turret
How to find the limit of $$\frac{sin x}{x} $$ assuming limit of this is when x = 0?
clever fjordBOT
Nerdy_Coder
deep turret
I can’t find a way to plugin x = 0
topaz moth
if x is tending to 0, sinx/x = 1
deep turret
How do you know that?
grizzled tide
lhopital probably
deep turret
Wdym?
topaz moth
yeah you can prove it using l hospital or sandwich
deep turret
What’s l hospital?
Even if x goes endlessly near 1 how do you know it’s one and not 1.00000…1
Or 0.999999….9
manic sleet
begin with $\tan\theta\geq\theta\geq\sin\theta$ for $\theta\in[0,\frac{\pi}{2})$
clever fjordBOT
MrFancy
manic sleet
topaz moth
What’s l hospital?
L'hopital rule
this applies for when the limit is of any indeterminant form when plugging in the value of c
topaz moth
How do you know that?
but yeah this is a very important identity so you should just remember it knowing that for very very small values x ~ sinx so if x is tending to 0, sinx/x = 1
deep turret
L'hopital rule
this applies for when the limit is of any indeterminant form whe...
What’s the quote for?
deep turret
How?
There’s only 1 function
and finding the limit of h is da proboem
Not f(x) and g(x)
manic sleet
Sin 0 is 0
begin with $\tan\theta\geq\theta\geq\sin\theta$ for $\theta\in[0,\frac{\pi}{2})$
clever fjordBOT
MrFancy
manic sleet
divide everything by sin
then flip everything over$\frac{\sin\theta}{\tan\theta}\leq\frac{\sin\theta}{\theta}\leq\frac{\sin\theta}{\sin\theta}$
clever fjordBOT
MrFancy
manic sleet
do you see how we can get the sinx/x limit? :)
deep turret
How did x become tan x?
manic sleet
How did x become tan x?
wdym? 
manic sleet
$\tan\theta\geq\theta\geq\sin\theta$\~\
$\frac{\tan\theta}{\sin\theta}\geq\frac{\theta}{\sin\theta}\geq\frac{\sin\theta}{\sin\theta}$\~\
$\frac{\sin\theta}{\tan\theta}\leq\frac{\sin\theta}{\theta}\leq\frac{\sin\theta}{\sin\theta}$
clever fjordBOT
MrFancy
deep turret
Hmm okay
manic sleet
Hmm okay
now take the limit at you'll find the inequality squeezes to one value thats the value of the sinx/x limit! 
deep turret
So you need the find the limit of the other 2 functions?
deep turret
now take the limit at you'll find the inequality *squeezes* to one value thats t...
Wdym squeezes you input 0 divide by sign all functions become undefined
manic sleet
Wdym squeezes you input 0 divide by sign all functions become undefined
check out that last statement
you get cos<=sinx/x<=1
simple apply the limit
deep turret
It has to one because the other limits are one
odd edgeBOT
@deep turret Has your question been resolved?
primal flume
The base of a straight parallelepiped is a rhombus with an area of 12 cm^2. Areas of diagonal sections are 24 cm^2 and 20 cm^2. Find the diagonals of a rhombus. help pls.
odd edgeBOT
The base of a straight parallelepiped is a rhombus with an area of 12 cm^2. Area...
@primal flume Has your question been resolved?
primal flume
<@&286206848099549185>
primal flume
<@&286206848099549185>
real arrow
odd edgeBOT
@primal flume Has your question been resolved?
primal flume
.close
mystic saffron
odd edgeBOT
mystic saffron
How do I do this
dry scarab
six - weight 3 then 1, eight - same
odd edgeBOT
@mystic saffron Has your question been resolved?
desert marlin
@merry finch
scarlet junco
<@244390699431100416>
Wrong guy
dawn ivy
Hey I'm trying to rearrange this to use Lhospital
odd edgeBOT
Hey I'm trying to rearrange this to use Lhospital
night raft
from the second line, you could also distribute powers to numerator and denominator, apply division limit laws, and note that the denominator’s limit exists and is nonzero
that would leave just (sin(2x))^x to worry about
But you would have to implicit diff anyway in a similar manner
clever fjordBOT
CST
dawn ivy
.close
verbal schooner
odd edgeBOT
verbal schooner
thats my work for the problem. can anyone check to make sure i did everything right? just making sure
why wasn't the channel renamed lol
oh just slow ig
odd edgeBOT
odd edgeBOT
Available help channel!
cosmic sandal
How do you get from the top line to the bottom? This doesn't make sense to me.
wheat apex
odd edgeBOT
wheat apex
could someone tell me if theres anything wrong with my proof?
i was thinking that maybe this part was a bit weird
should this be implies?
or even be there at all?
i usually see most proofs only include $0<|x-c|<d$ here
clever fjordBOT
Joshii
wheat apex
and thats it
but it also just made more sense to include it to me
does the proof still make sense with that addition? if not, why, if it does and is unecessary, why for that as well
odd edgeBOT
@wheat apex Has your question been resolved?
odd edgeBOT
@wheat apex Has your question been resolved?
odd edgeBOT
@wheat apex Has your question been resolved?
dry scarab
2d<=e 
if a<b and a<c it doesn't follow that b<=c
wait, you took d=e\2
so 2d=e
and by definition d<e
wheat apex
so it should be 2d>e ?
its kindd of something i came up with after studying, nothing i rlly saw specificially before but i feel rlly comfortabl ewith it
odd edgeBOT
@wheat apex Has your question been resolved?
odd edgeBOT
@wheat apex Has your question been resolved?
wheat apex
Sad
tropic hazel
could someone tell me if theres anything wrong with my proof?
should be true
wheat apex
There's nothing wrong with it?
tropic hazel
There's nothing wrong with it?
yeah
Aside from your teacher giving you brutal variables
Instead of the usuals
It should be good
meager juniper
I agree that there isn't anything wrong with the proof. You found an appropriate delta for the epsilon.
With these proofs you normally solve them one way, and then present the proof backwards. (i.e. you find the delta from the epsilon, but when presenting the proof you use the delta you found and show that it satisfies the epsilon.) And it looks like this first step is off camera to the left.
As far as the specific thing you asked about (suppose...) it's worded a little weirdly, yeah. I would say "if [we let] foo < e, then [it follows that] 0 < bar < d", but it's not wrong, because if we suppose foo < e, then 0 < bar < d.
I think the weirdness is because it's not completely clear that the part after the comma is intended to be a consequence or a second supposition, so maybe just including a "then" or "=>" would help.
odd edgeBOT
@wheat apex Has your question been resolved?
late vessel
how would i get the radial acceleration of a circle if i am given the velocity and radius?
noble estuary
lone glacier
ive gotten the U V dv and du
odd edgeBOT
ive gotten the U V dv and du
lone glacier
but how do i solve the int(vdu) part without doing long division
red canyon
$\int{udv}=uv-\int{vdu}$
clever fjordBOT
Amir
odd edgeBOT
@lone glacier Has your question been resolved?
lone glacier
$\int{udv}=uv-\int{vdu}$
Ik but how do you integrate $9/(9x-7)$
clever fjordBOT
Flamester7 Tv
odd edgeBOT
mint abyss
If you take x small enough, you can approximate the area of the trapezium with the area of a rectangle
warm rose
Solve the following differential equation
odd edgeBOT
Solve the following differential equation
warm rose
barren gull
Isn't this a separable equation, where are you stuck?
warm rose
I cant continue
barren gull
I cant continue
Setting $y = ux$ is valid for first-order, homogeneous equations.
clever fjordBOT
adzetto
barren gull
oh not meant that, I mean rewrite the eq. as
$$\frac{2y\frac{dy}{dx}}{-y^2+2} \text{= }\frac{1}{x^2}$$
clever fjordBOT
adzetto
odd edgeBOT
@warm rose Has your question been resolved?
past sandal
How do we do this problem
odd edgeBOT
How do we do this problem
wooden python
well setting up a pythagorean identity might be a good idea
past sandal
Lol. Our teacher didn't teach any identities
past sandal
Yea
past sandal
then this problem is impossible
No it's just that tell me the identity to use.
Cuz idk
elder vault
How do we do this problem
What does it means “convert those into Cartesian”
Is it the Cartesian plane
past sandal
Cartesian eq
elder vault
Cartesian eq
That’s a expression included both x and y, I suppose
past sandal
Yes
shell oracle
not even sin^2(x) + cos^2(x) = 1???
this is the identity to use ~
crisp echo
Hey ,y’all!I asked the same question yesterday,but got caught up with things,so where can I see explanations ,like how we obtained certain formulas in Math?Where can I find deep explanations pertaining to origins and relations to other formulas?
odd edgeBOT
Hey ,y’all!I asked the same question yesterday,but got caught up with things,so ...
@crisp echo Has your question been resolved?
brittle beacon
Hey ,y’all!I asked the same question yesterday,but got caught up with things,so ...
Might be better to ask this in #math-discussion maybe?
odd edgeBOT
odd edgeBOT
Available help channel!
mystic saffron
odd edgeBOT
mystic saffron
this is a physics question but i cant do the math
final velocity of the ball is 15 m/s
i use v=root(2gx)
how do i know if gravity is acos(x) or asin(x)
dry scarab
label the diagram
odd edgeBOT
@mystic saffron Has your question been resolved?
radiant merlin
Can you clarify what you meant in your question? I don't understand why the force due to gravity would be different
Also you don't even need to worry about directions here. The formula implies the use of conservation of energy
odd edgeBOT
@mystic saffron Has your question been resolved?
elder sinew
I don't have a problem but I'm wandering if someone could explain to me what exactly a derivative is and it's applications
vague bone
i need help
elder sinew
Go to an open channel
Also both of those equations added together equal 180
4x-2+3x+14=180
Solve from there
stark elbow
mystic saffron
I don't have a problem but I'm wandering if someone could explain to me what exa...
rain tundra
odd edgeBOT
rain tundra
!status
odd edgeBOT
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
Normed
rain tundra
**Normed**
Is this identity useful here?
toxic rose
Just find the antiderivative of cos^2 x
light violet
Nah you can’t here cuz it’s f(cos^2x) and you’re not given f
light violet
**Normed**
I believe this and the fact that cos^2x is periodic would be what you need
toxic rose
I missed the f 🤦♂️
toxic rose
Is this identity useful here?
I assume yes. Since few terms will cancel out
rain tundra
I believe this and the fact that cos^2x is periodic would be what you need
hmm but how?
odd edgeBOT
@rain tundra Has your question been resolved?
hollow maple
Is this identity useful here?
i think this identity along with king's property is required here
because if break the limits from 0 to 3pi to 0 to pi and pi to 3pi, we get I1 = I3 + pi --> 3pi (f(cosx))
rain tundra
king's property?
hollow maple
basically
if an integral goes from a --> b f(x)dx
we can say it is equal to a --> b f(a+b-x)dx
rain tundra
hmm okay
hollow maple
bludgy hell, if only it was cos^2(x)
but then this question wouldnt be here
if cos^2(x) is periodic, does that mean f(cos^2(x)) will also be periodic?
then that would mean I1 = 3I3 but thats clearly not an option
damn it
oh wait
it must be right?
because cos^2x keeps having the same argument after pi
therefore I1 = 3I3
and I2 = 2I3
So, I1 = I2 + I3
therefore I1 - I2 - I3 = 0 @rain tundra
hollow maple
if cos^2(x) is periodic, does that mean f(cos^2(x)) will also be periodic?
although, my entire answer falls apart the moment someone says "no" to this
scenic prawn
what is happening between these 2 steps? (ping please)
grizzled tide
yea of course
mystic saffron
@scenic prawn .close whenever you r done
scenic prawn
how
grizzled tide
.close
odd edgeBOT
odd edgeBOT
Available help channel!
tender carbon
odd edgeBOT
tender carbon
not allowed trigonomerty
dry scarab
!show
odd edgeBOT
Show your work, and if possible, explain where you are stuck.
dry scarab
did you use coordinates and Pythagoras to find those?
dry scarab
there are similar triangles
tender carbon
which
?
there is only one pair of triangles on picture and they are not similar
not only one pair lol
@dry scarab
dry scarab
Look at the left half of it
tender carbon
Can you wright wich triangle you mean by left ?
dry scarab
with vertices A and B
tender carbon
and the third ?
dry scarab
midpoint of AC
tender carbon
dry scarab
yup
tender carbon
so you mean ABH
so where is similar triangle shere ?
can you name ?
tirangles ?
dry scarab
well, you need to find E
tender carbon
E?
what i need to find again ?
what is E?
@dry scarab
why are you torturing me ?
Can you name similar triangles here ? Or I should draw some other line ?
dry scarab
EF
dry scarab
why are you torturing me ?
!nosols
odd edgeBOT
why are you torturing me ?
As a helper, please do not give out answers that could be copied as a homework solution. Have the student work through the problem themselves and guide them along the way.
tender carbon
Yes ok but I can not see similar trinagles
What can i do now ? \
look at this picture all day ?
i am looking at it very long time already
dry scarab
!patience
odd edgeBOT
Please wait patiently, and do not interrupt other channels with your question. Helpers in this server are volunteers, and the server cannot guarantee that someone will be able to help you. By being impatient or begging, you will only turn potential helpers away.
In the meantime, please make sure your channel contains the original question, clearly describes what you have already tried, and states exactly what you are having trouble with. This increases your chances of getting a good response.
tender carbon
Ok patience is good but you have not helped me at all at this point and i am losing it
dry scarab
ABH is similar to EB and intersection of line through E parallel to AC
the same at triangle CDH
use Pythagoras and you are done
dry scarab
yup
dry scarab
if you know EI, IH, H to line parallel to HD through F and F to CH, you know EF
tender carbon
what ?? :DDD
what line should i draw ?
first ?
just take is slow because i can not get this
dry scarab
find EI
tender carbon
EI =2
dry scarab
how is that
dry scarab
so AH is 4?
tender carbon
yes
oh no
oh it is AD not AH
OK
that AD = 2sqrt3
and EI =sqrt 3
Thats correct
dry scarab
now what is IH
dry scarab
ok, now do exactly the same thing with triangle CDH
dry scarab
show where lines are perpendicular
dry scarab
Which lines on your diagram are perpendicular?
tender carbon
Well a lot
dry scarab
Label it so
tender carbon
i do not get it what you are saying
dry scarab
Draw a line parallel to BH through E and a line parallel to AC through F
And label all angles that are 90*
90°
tender carbon
ok
dry scarab
usually you draw a small square to mark 90°
dry scarab
I said draw a line
tender carbon
ok
dry scarab
you drew a segment
dry scarab
yup
dry scarab
yup
dry scarab
what?
tender carbon
how to soleved this problem ?
dry scarab
what?
tender carbon
how you saw that this EKF triangle has to be drawn ?
tender carbon
have not you thought about other ways of solving ?
or this triangle was first thing in you mind ?
i mean EKF
this was the first thing you saw after hard think ?
dry scarab
no, I was mistakenly thinking that you need to find coordinates of E and F
then adjusted the solution by using Manhattan distance
tender carbon
Ok ofther i said it was not about coordinate s ?
Manhattan distance what is this ?
oh and this K point is on AD ? ?
Did you saw that too ?
dry scarab
Ofc, it's symmetrical along BD
tender carbon
dry scarab
Also G
dry scarab
the whole figure is symmetrical along BD
tender carbon
not EF line
but how you saw that G was on AD i do not get it
and how old are you i am just interested
dry scarab
this is a public channel
tender carbon
ok if you do not want to saty
Just halp me on more thing and i am gone
how you saw that G was on AD
dry scarab
not EF line
EF is symmetrical to GK
tender carbon
ACD and GFD
what ?
dry scarab
tender carbon
OK I think you are extrimly good
Do you think so ?
Or you consider yourself as averige ?
average
dry scarab
no, i'm in uni. this is high school level stuff. don't forget to .close if there are no more q
tender carbon
Ok i will close it I know that but i want to make something clear to me if it is possible ?
maby i will close this and send you personal msg ?
dry scarab
dont
tender carbon
i need to know how good you are in math ?
and is this lvl high or average in you country ?
the lvl you are in math
should i shut up ? @dry scarab
Ok sry @dry scarab
thx
.close
odd edgeBOT
odd edgeBOT
Available help channel!
cursive cipher
Hi theree
cursive cipher
Hope someone can help me
could somebody explain this to me, step by step? i don't get the whole quadratic approximation at all
cursive cipher
Thats what rachel asked in <#903463352582434866> , (*im just amazed*)
Yes and she didn’t get her answer just a cocky no i cant
So are you going to help us or do i have to wait for someone else?
mystic saffron
Yes and she didn’t get her answer just a cocky no i cant
Lmao true
mystic saffron
So are you going to help us or do i have to wait for someone else?
i can't
hollow hearth
I can’t
cursive cipher
@dry scarab i saw what you sent but
I wanted to know where do the solutions f’(0) = 0 and f”(0) = -1 come from
dry scarab
for f''(x) yes
odd edgeBOT
odd edgeBOT
Available help channel!
bitter thunder
Struggling with 2a) not sure how to start it / visualize it
odd edgeBOT
Struggling with 2a) not sure how to start it / visualize it
@bitter thunder Has your question been resolved?
odd edgeBOT
@bitter thunder Has your question been resolved?
hoary marsh
I'm not sure how to represent the angle in the answer box
I think I am supposed to do arctan(938/408) [S of E]
quasi sparrow
arctan(938/408) is in radians
so you could convert to degrees if there's no radians option
but it could also be "this answer has no units" since radians are unitless
hoary marsh
so you could convert to degrees if there's no radians option
The answer wants degrees
But where is the initial point of the degree?
Does it start East or North?
quasi sparrow
Does it start East or North?
They tell you in the problem
hoary marsh
They tell you in the problem
Do you know why this is incorrect?
odd edgeBOT
@hoary marsh Has your question been resolved?
quasi sparrow
Do you know why this is incorrect?
where's your work
hoary marsh
where's your work
I just did arctan(969/402)
Which equals -67.5
Since it below +x (East)
quasi sparrow
,calc atan(969/402) * 180 / pi
clever fjordBOT
Result:
67.468359895692
wheat bramble
This channel is occupied, you can find open ones in the category above this
night raft
!status
odd edgeBOT
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
gilded rain
i have to find AC
gilded rain
Ok, then what’s the first step?
bro can u help me please
gilded rain
5x=40 => x=8
night raft
Yep
You can combine the 32+8
Yep
What do you think we should do next?
Yep
What do you get?
Good
You’re done 🙂
odd edgeBOT
night raft
No prob
brittle galleon
Anyclue how to proceed with this probability problem?
mystic saffron
this feels like a binomial problem where N = 7 and p = 0.25, and you want P(X = 1)
Assuming they mean you have a 25% chance of getting off at each stop
wait wrong way round
N = 4 and p = 1/7
i think?
brittle galleon
wut would the equation be?
mystic saffron
have you done binomial distribution? I feel like I'm overcomplicating it
brittle galleon
this is supposed to be basic probability lol
Should it not be (7(4)(6))/(7^4) ?
.close
viscid oracle
hello this is my question "A geometric sequence g starts 12,-3,... with 12 being term #1. Use function notation to write the recursive rule for sequence g.
odd edgeBOT
hello this is my question "A geometric sequence g starts 12,-3,... with 12 being...
Show your work, and if possible, explain where you are stuck.
viscid oracle
this is my answer g(1)=12, g(n)=1/4 * g(n-1)
i dont know what could be wrong with my answer unless there is a typo
odd edgeBOT
@viscid oracle Has your question been resolved?
dry scarab
1/4*12 =/= -3
junior ether
Suppose a stock decreases by 50 percent in year one and increases 50 percent in year two. Is the stock less than, equal to, or more than its initial value.
steep thicket
Suppose a stock decreases by 50 percent in year one and increases 50 percent in ...
Have you tried subbing in a number for the stock?
You can sub in a simple number such as 100 and work with that.
steep thicket
Correct
junior ether
75 at year 2??
junior ether
its less than the orignal
steep thicket
Yup
Thats basically it
For a simple question like that, sub in an easy number to represent the stock and work with that to find the end solution
odd edgeBOT
odd edgeBOT
Available help channel!
young moss
How to find the domain of the function from the just being given the function
clever fjordBOT
ahaan
young moss
how would we find the domain
The question says to find the domain, holes, x intercepts, y intercepts, vertical asympotes, horizontal asymtote, oblique asymptote and end behavior
heady glen
any value of x that doesn't lead to y being undefined will be in the domain
young moss
I know how to find the holes, x intercepts, y intercepts, vertical asympotes and oblique asymtotes
young moss
any value of x that doesn't lead to y being undefined will be in the domain
yeah so anything except -2 right?
heady glen
exactly
young moss
so the Domain is all Real numbers except -2
heady glen
yup
young moss
There are no holes
Th x intercept is 2
The y intercept is -1
,w graph \frac{x-2}{x+2}
clever fjordBOT
young moss
just to see the domain more clearly
Whats the horizontal asymptote in this graph?
Also how to find the end behaviour
All this has to be done without a graph
and without a calculator
heady glen
Whats the horizontal asymptote in this graph?
Question, do you have calculus to work with yet or is this pre-calc?
young moss
Question, do you have calculus to work with yet or is this pre-calc?
pre-calc
heady glen
ok so no limits
this is what you need to know for finding horizontal aymptotes
since the degree (largest power) of the numerator and denominator polynomials are the same it falls into the bottom case
where the asymptote = the ratio of the coefficients of the term with the highest power
young moss
where the asymptote = the ratio of the coefficients of the term with the highest...
I didnt understand a single word
is it just 1 for the question
cause 2:2
and x:x
= 1
How to find the end behavior?
do I just plug in values for x
and see whats happening to y?
<@&286206848099549185>
toxic merlin
what is x
young moss
lowkey its been a long time
bro just hit me with my own words 
knotty monolith
young moss
@cold sage sorry ping but need help urgently friend
cold sage
whats up
young moss
the question ^
how to find end behaviour
from just the function
I literrally helped ppl on this topic, and now the day before the quiz, im comepletely blanking
cold sage
do you know about limits?
cold sage
yeah
young moss
so for this do i do hit and trial
yep
do i like sub x as 100
then as 500
and see whats going on with the y value
cold sage
a trick you can use is to divide the numerator and denominator by the highest degree of x (if they have the same degree)
cold sage
its indeed 1
young moss
so how does that give me end behaviour :p
cold sage
in the positive direction anyway
cold sage
the end behavior is it tends to 1
young moss
so when x is approching infinity
f(x) is approching 1?
bro what
that sounds wrong
🤮
cold sage
approaches 1 on both sides actually
you can verify it if you graph it on desmos or something
but the limits hold
cold sage
,w graph \frac{x-2}{x+2} (x from -100 to 100)
young moss
press more
young moss
wait thr is no y and x intercepts???
cold sage
you can loosely tell they have an asymptote at y=1
young moss
oh nvm its just zoome dout
young moss
you can loosely tell they have an asymptote at y=1
i already found that
its the ratio of the highest degree x coefficients
how do we find the end behaviour of the graph is x is approaching infity
without actually seeing the graph
cold sage
its 1/1 then ?
with limits like you said
clever fjordBOT
Result:
0.98019801980198
its not really trial and error since youre just evaluating a limit
young moss
,calc 500-2)/(500+2)
clever fjordBOT
The following error occured while calculating:
Error: Unexpected operator ) (char 6)
young moss
,calc (500-2)/(500+2)
clever fjordBOT
Result:
0.99203187250996
this is confusing
cold sage
i doubt it'd be accepted to just throw increasingly large numbers into it since its not rigorous
all you need to do is evaluate the limit of the function as x tends to infinity and -infinity
which you did
young moss
which you did
where 💀
cold sage
its 1/1 then ?
you did it here
young moss
yeah but
end behaviour is smth else
I feel like thats wrong
I have this gut feeling
wait
cold sage
i mean you could go into more detail,
like as x->+inf so right end behavior, f(x) approaches 1 from below
as x->-inf so left end behavior, f(x) approaches 1 from above
but i dont see what more there is to say really
young moss
OHHH
I SEE
Thanks man
I have 20 practice sums
then ill send em here to check
thx
.close
orchid inlet
Hey! im having trouble using the predictor corrector method on this
light wave
i know this is not necessary math but chemistry but i have no idea where 0.693 came from
light wave
cold sage
its ln(2) if i remember correctly
clever fjordBOT
The following error occured while calculating:
Error: Undefined function ln
light wave
.close
odd edgeBOT
weary jolt
,calc x = 10 x 10000
clever fjordBOT
The following error occured while calculating:
Error: Undefined symbol x
odd edgeBOT
Available help channel!
rose dock
odd edgeBOT
lone mural
count
lone mural
okay how many outcomes are there
rose dock
Read the top of the photo
tepid yacht
The only answers are 0.0625, 0.4375, 0.6875, 0.8125
How many outcomes do you have that have at least two tails? Then how many total outcomes do you have?
rose dock
What?
tepid yacht
How many outcomes do you have that have at least two tails?
rose dock
4? I don’t know
rose dock
Where do I go from that
tepid yacht
How many of those outcomes have at least 2 tails?
odd edgeBOT
@rose dock Has your question been resolved?
odd edgeBOT
odd edgeBOT
Available help channel!
lone mural
prove limit x approaches infinity $\frac{3^x}{x^3}$ is infinity
clever fjordBOT
dabbingpotato
lone mural
i know its because the numerator grows at a faster rate but we have to prove it
would be prove it by applying l'hopitals rule 3 times
to get
$\frac{3^x ln(3)ln(3)ln(3)}{6}$
clever fjordBOT
dabbingpotato
distant burrow
yeah that works
odd edgeBOT
odd edgeBOT
Available help channel!
austere rover
$
\begin{bmatrix}
0 & 1 & 6 & 0 & 9\\
0 & 0 & 1 & 2 &7\\
0 & 0 & 0 & 1 & 2
\end{bmatrix}
$
Can I do R2' = -(R2+R3)
is this legal?
anon
sharp oak
Yes
lost dirge
Yup!
sharp oak
I don't know why you'd want to. But you can.
austere rover
thanks
lost dirge
Yeah.
austere rover
thank you
$
\begin{bmatrix}
0 & 1 & 0 & 0 & -9\\
0 & 0 & 1 & 0 & 3\\
0 & 0 & 0 & 1 & 2
\end{bmatrix}
$
anon
odd edgeBOT
@austere rover Has your question been resolved?
austere rover
.close
thin kelp
trying to find the coefficient of x^6 in this, this is the solution provided, i dont understand a thing
odd edgeBOT
trying to find the coefficient of x^6 in this, this is the solution provided, i ...
@thin kelp Has your question been resolved?
steep thicket
odd edgeBOT
steep thicket
Does this also apply to theta = 180?
dreamy thistle
theta = pi is the same as theta = 180, it's just degrees vs radians
different ways of measuring the same thing
odd edgeBOT
@steep thicket Has your question been resolved?