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help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 15:59:37
$a^2+b^2 \neq (a+b)^2$
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
510,789,298,321,096,700
TeXit
03/04/2022 15:59:44
**Zybikron**
https://cdn.discordapp.c…942506041345.png
334482942506041345.png
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:11:07
confused about what. be specific
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:12:08
what questions do you have about this chapter
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:24:55
then you haven't read it and you're just wasting everyone's time
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:27:09
"looked at" meaning you opened the tab and not read it?
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:27:29
because you have summations!
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:27:33
:what:
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:27:53
you know this is a summation, right?
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:28:54
It's just algebra and you haven't even tried
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:29:01
it's the same method as I showed you for the mean
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:29:05
EXACTLY THE SAME
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:30:52
alright i'll stop talking
1
0
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:32:17
nope. i assume you know algebra because you said so
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:32:55
more confusing than what?
1
0
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
261,933,205,387,477,000
riemann
03/04/2022 16:33:01
if you know a simpler way to do it, go for it
1
0
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 16:55:25
You can find variance with $E(m^2) - [E(m)]^2$. Looks like you already found $E(m) = 146.5$. So now you just need to find the expected value of $m^2$
0
1
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
510,789,298,321,096,700
TeXit
03/04/2022 16:55:27
**Zybikron**
https://cdn.discordapp.c…942506041345.png
334482942506041345.png
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 16:55:46
that's where the second equation is useful
0
1
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 16:57:36
E(m) = 146.5
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 16:58:10
oop
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 16:58:11
i meant
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 16:58:18
146.5^2
0
1
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 16:58:28
is E(m^2) 146.5^2
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 16:58:53
Nope, $[E(m)]^2 = 146.5^2$
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
510,789,298,321,096,700
TeXit
03/04/2022 16:58:55
**Zybikron**
https://cdn.discordapp.c…942506041345.png
334482942506041345.png
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 16:59:04
ok nice
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 16:59:22
so How do I find E(m^2)
0
1
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 16:59:51
And just for reference if you haven't see the notation $E(m)$ is the average. So $E(m) =\frac1n\sum m$ and $E(m^2) = \frac1n\sum m^2$
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
510,789,298,321,096,700
TeXit
03/04/2022 16:59:54
**Zybikron**
https://cdn.discordapp.c…942506041345.png
334482942506041345.png
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 17:00:11
OH
0
1
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 17:00:13
I see
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 17:00:24
Yeah I was alittle confused by the notation
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
334,482,942,506,041,340
Zybikron
03/04/2022 17:01:17
Here you said $(m-150)^2 = m^2-300m+150^2$ so you have $\sum(m-150)^2 = \sum m^2 -\sum 300m + \sum 150^2$
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
510,789,298,321,096,700
TeXit
03/04/2022 17:01:20
**Zybikron**
https://cdn.discordapp.c…942506041345.png
334482942506041345.png
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 17:03:02
Ok I think I might be able to solve it by myself now i'll let you know if I have any problems
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 17:03:03
thx
0
1
null
null
null
null
null
1,028
help-10
198be98f28f54b41949d335d8ef0f6b8
282,250,535,967,391,740
Skishy
03/04/2022 17:03:05
.close
0
1
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:06:14
hey
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:06:18
is my answer right?
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
392,341,051,794,391,040
Navix
03/04/2022 17:06:27
???
0
1
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:06:31
one sec
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:07:21
https://cdn.discordapp.c…7869/unknown.png
unknown.png
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:07:29
https://cdn.discordapp.c…5562/unknown.png
unknown.png
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:08:15
https://cdn.discordapp.c…7712/unknown.png
unknown.png
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:08:28
https://cdn.discordapp.c…7584/unknown.png
unknown.png
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:08:44
https://cdn.discordapp.c…1306/unknown.png
unknown.png
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:09:20
@Navix
1
0
282,250,535,967,391,740
Skishy
5404
Skishy
false
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 17:12:20
@Im A CAT
1
0
null
null
null
null
null
1,029
help-10
f6f5774e1a2543cea76b725967cf92df
456,226,577,798,135,800
Deleted User
03/04/2022 18:12:32
.close
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:22:00
so idk if theres a nice answer for this but
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:22:07
https://cdn.discordapp.c…4146/unknown.png
unknown.png
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:22:15
I'm trying to interpret what P could be in this model
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:22:23
S is a variable, the average size of trees
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:22:29
and E is a variable, the total energy in the forest
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:23:22
It must almost certainly be some kind of parasitism term
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:23:30
but i cant really track the units or what id expect it to be
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:23:34
any uhh intuition or guidance?
1
0
null
null
null
null
null
1,030
help-10
504459e6602d46e787ee7186759ed861
331,558,346,333,224,960
jan Niku
03/04/2022 18:40:24
.close
1
0
null
null
null
null
null
1,031
help-10
f1cc49954d734fc18f3433a994c58067
431,982,008,412,012,540
Juandissimo
03/04/2022 19:01:57
is the answer C?
https://cdn.discordapp.c…8822/unknown.png
unknown.png
1
0
null
null
null
null
null
1,032
help-10
4f24e3752816487ea453af6bdd244ee9
156,829,741,276,594,180
Intercosmosx86
03/04/2022 19:40:23
could you please help me with the problem tan(theta/2) = sqrt(3)?
1
0
null
null
null
null
null
1,032
help-10
4f24e3752816487ea453af6bdd244ee9
202,611,693,891,747,840
Twisted
03/04/2022 19:44:41
I would first do tan(theta) = sqrt 3 and find theta
0
1
392,341,051,794,391,040
Navix
0001
nvx
false
1,032
help-10
4f24e3752816487ea453af6bdd244ee9
202,611,693,891,747,840
Twisted
03/04/2022 19:44:50
then just multiply that number by two and bam you get the answer
0
1
725,749,604,532,092,900
Im A CAT
1525
Im A CAT
false
1,032
help-10
4f24e3752816487ea453af6bdd244ee9
800,622,149,903,056,900
Shen
03/04/2022 19:55:10
@Intercosmosx86 ^^
0
1
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null
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1,032
help-10
4f24e3752816487ea453af6bdd244ee9
800,622,149,903,056,900
Shen
03/04/2022 19:55:50
If you have an interval that you're restricting your solutions to, then you'll have specific solutions you're targeting. If you are looking for all real solutions, then you'll have a general solution that models all possible solutions.
0
1
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:24:08
https://cdn.discordapp.c…1cc5ba480b12.jpg
Screenshot_2022-03-05-12-23-52-16_40deb401b9ffe8e1df2f1cc5ba480b12.jpg
1
0
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:24:37
1
0
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:25:01
Oops
1
0
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:25:38
With the question I'm not sure how I should separate the b⁵ from the 2.5
1
0
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:27:09
Would it be logb ((5/2) b⁵)
1
0
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:28:10
Nvm i got it
1
0
null
null
null
null
null
1,033
help-10
89841b3a4c274f4d8ace3c9853ecd486
466,863,820,191,563,800
eh
03/04/2022 20:28:12
.close
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:34:52
https://cdn.discordapp.c…5161/unknown.png
unknown.png
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:35:08
I just want to check my answers as i am not too confident
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:36:00
a) A = (x)(x^2)(1/2) = tan^3(theta)/2
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:36:20
dA/dt = 3/2 tan^2(x)sec^2(x) d theta/dt
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:36:35
so at theta = pi/3, dA/dt = 6
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:41:44
for b im not too sure but i calculated 5/3sqrt(3)cos^2(sqrt2)
1
0
156,829,741,276,594,180
Intercosmosx86
4543
Intercosmosx86
false
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 20:55:10
@Helpers
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 21:03:38
um
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 21:03:41
how to do 9b
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 21:03:41
help
1
0
null
null
null
null
null
1,034
help-10
e036dcd26c864fb3955f47ebc4f7e518
731,447,178,572,202,000
yk3
03/04/2022 21:07:25
.close
1
0
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
690,008,822,508,683,300
*___* 9
11/08/2021 11:16:56
Could you help me with this?
1
0
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
690,008,822,508,683,300
*___* 9
11/08/2021 11:17:04
A rectangular block is such that the sides of its base are of length x cm and 3x cm. The sum of the lengths of all its edges is 20 cm.
1
0
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
690,008,822,508,683,300
*___* 9
11/08/2021 11:17:37
And I have to find the volume of it
1
0
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
690,008,822,508,683,300
*___* 9
11/08/2021 11:18:23
https://cdn.discordapp.c…649/IMG_1876.jpg
IMG_1876.jpg
1
0
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
690,008,822,508,683,300
*___* 9
11/08/2021 11:18:46
I can’t image the block
1
0
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:20:39
If it only gives you the base sides, what's the height?
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:21:21
I mean, if they don't give the height, you can solve it, but the answer will be in variables rather than a number.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:24:06
@*___* 9 They tell you that the sides of the base (the length and width) are x and 3x.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:24:10
They don't tell you the height.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:24:38
The sum of the lengths of the edges is 20 cm.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:25:09
So, there are four edges that are the height, four edges that are the length, and four edges that are the width of the block.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:25:22
4h + 4l + 4w = 20 cm
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:25:34
l = x
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:25:37
w = 3x
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:25:43
Solve for height in terms of x.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
537,482,727,557,955,600
Chai T. Rex
11/08/2021 11:25:57
Then use V = lwh.
0
1
null
null
null
null
null
1,035
help-10
f53da36b58ec4234b6fde388c277634f
690,008,822,508,683,300
*___* 9
11/08/2021 11:26:23
Oh so means, my drawing is incorrect
1
0
null
null
null
null
null