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help-10
5f60d5634cb3409f8415af502f0991e6
327,794,296,877,219,840
Bello友
03/17/2022 20:38:43
What is 50x + 300?
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Bello友
03/17/2022 20:38:51
The cost of production or the revenue?
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help-10
5f60d5634cb3409f8415af502f0991e6
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Pluton
03/17/2022 20:39:03
Production i think
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Bello友
03/17/2022 20:39:13
Exactly
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help-10
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Bello友
03/17/2022 20:39:17
I was asking to him
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help-10
5f60d5634cb3409f8415af502f0991e6
122,121,221,876,875,260
ChrisJ
03/17/2022 20:39:19
so switch them around
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Bello友
03/17/2022 20:39:23
Yes
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help-10
5f60d5634cb3409f8415af502f0991e6
426,443,702,932,733,950
Pluton
03/17/2022 20:39:49
0.5x2
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help-10
5f60d5634cb3409f8415af502f0991e6
426,443,702,932,733,950
Pluton
03/17/2022 20:39:53
Is x variable or?
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ChrisJ
03/17/2022 20:40:13
exponent
1
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help-10
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122,121,221,876,875,260
ChrisJ
03/17/2022 20:40:16
my bad
1
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Bello友
03/17/2022 20:40:50
So is the part b more clear now as well?
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ChrisJ
03/17/2022 20:41:12
yes
1
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Bello友
03/17/2022 20:41:20
Great
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help-10
fab67618f38e43048e30df44c351a4be
715,294,173,091,332,200
Kashy
03/17/2022 21:37:25
What number corresponds to 3489 in the second column?
https://cdn.discordapp.c…2352/unknown.png
unknown.png
1
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help-10
fab67618f38e43048e30df44c351a4be
742,674,439,623,409,700
wwywinym
03/17/2022 21:38:10
is this like a riddle or what
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help-10
fab67618f38e43048e30df44c351a4be
715,294,173,091,332,200
Kashy
03/17/2022 21:38:14
I just can't find the relationship Q-Q
1
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help-10
fab67618f38e43048e30df44c351a4be
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Kashy
03/17/2022 21:38:41
A mathematic problem based in logic ¿)
1
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help-10
fab67618f38e43048e30df44c351a4be
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Kashy
03/17/2022 21:38:51
idk i see this in a random page
1
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help-10
fab67618f38e43048e30df44c351a4be
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Bello友
03/17/2022 21:39:28
4
0
1
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help-10
fab67618f38e43048e30df44c351a4be
327,794,296,877,219,840
Bello友
03/17/2022 21:39:52
Just count sum the number of holes of each digit
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help-10
fab67618f38e43048e30df44c351a4be
742,674,439,623,409,700
wwywinym
03/17/2022 21:40:02
ohhhhhh
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fab67618f38e43048e30df44c351a4be
742,674,439,623,409,700
wwywinym
03/17/2022 21:40:15
:bleakkekw: :bleakkekw: :bleakkekw:
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help-10
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wwywinym
03/17/2022 21:40:17
KEWL
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Kashy
03/17/2022 21:40:18
I think this too but idk how explain it xd
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Kashy
03/17/2022 21:40:21
thx bro
1
0
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fab67618f38e43048e30df44c351a4be
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Kashy
03/17/2022 21:40:26
you're genius
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fab67618f38e43048e30df44c351a4be
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Bello友
03/17/2022 21:40:33
Meh
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Bello友
03/17/2022 21:40:38
Its not math related at all
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help-10
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Bello友
03/17/2022 21:40:46
I knew cuz i alr saw some similar examples
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help-10
fab67618f38e43048e30df44c351a4be
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Kashy
03/17/2022 21:41:14
.close
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e1662fb3f1934569b96a02fd16885440
872,024,354,572,103,700
<><><>
03/17/2022 21:54:37
https://cdn.discordapp.c…3994/unknown.png
unknown.png
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<><><>
03/17/2022 21:56:02
To solve this, I said that there are $\frac{30 \times 29 \times 28 \times 40 \times 39 \times 38 \times 37}{7!}$ ways they can form a comittee
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help-10
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TeXit
03/17/2022 21:56:05
**azeem321**
https://cdn.discordapp.c…354572103731.png
872024354572103731.png
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<><><>
03/17/2022 21:56:53
I divided by 7! because the 7 people can arranged in that many different ways. so to account for that i divided by 7!
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wwywinym
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<><><>
03/17/2022 21:57:06
this is wrong however
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e1662fb3f1934569b96a02fd16885440
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hiro
03/17/2022 21:58:08
Yeah, it's counting it wrong. Think about, in how many ways can you choose 3 men out of 30 and 4 women out of 40.
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help-10
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<><><>
03/17/2022 21:59:55
That would be $\frac{30 \times 29 \times 28}{3!}$ and $\frac{40 \times 39 \times 38 \times 37}{4!}$
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help-10
e1662fb3f1934569b96a02fd16885440
510,789,298,321,096,700
TeXit
03/17/2022 21:59:58
**azeem321**
https://cdn.discordapp.c…354572103731.png
872024354572103731.png
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help-10
e1662fb3f1934569b96a02fd16885440
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Olly
03/17/2022 22:00:08
Thats right
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help-10
e1662fb3f1934569b96a02fd16885440
195,951,898,879,066,100
Olly
03/17/2022 22:00:23
Now multiply them together and you've solved it
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help-10
e1662fb3f1934569b96a02fd16885440
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<><><>
03/17/2022 22:02:00
ok, thx. but why was my initial approach wrong? It seems i got the numerator correct, but divide by the wrong thing. don't we have to divide by 7! to get rid of all the overcounts that arise from the permutations?
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Bello友
8818
Bello友
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help-10
e1662fb3f1934569b96a02fd16885440
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<><><>
03/17/2022 22:02:11
since 7 people can be arranged in 7! different ways
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help-10
e1662fb3f1934569b96a02fd16885440
195,951,898,879,066,100
Olly
03/17/2022 22:04:02
I'm sorry I dont know how to answer that
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help-10
e1662fb3f1934569b96a02fd16885440
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hiro
03/17/2022 22:04:25
You didn't overcount. Those seven in total people are chosen from two different groups.
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help-10
e1662fb3f1934569b96a02fd16885440
769,848,248,746,639,400
hiro
03/17/2022 22:04:56
So we counted how many ways we can get the desired number of men and women out of those two groups
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help-10
e1662fb3f1934569b96a02fd16885440
769,848,248,746,639,400
hiro
03/17/2022 22:05:41
The final multiplication here means that selection from both groups happen simultaneously, which in total gives 7 people
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help-10
e1662fb3f1934569b96a02fd16885440
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<><><>
03/17/2022 22:06:14
oki, thanks peeps
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help-10
e1662fb3f1934569b96a02fd16885440
872,024,354,572,103,700
<><><>
03/17/2022 22:06:15
.close
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help-10
0be1e1731c5648c0a7c747bde1cb9af5
677,350,243,293,069,300
aab
03/17/2022 22:11:52
what's missing? how do i make only the bounded region shaded
https://cdn.discordapp.c…4018/unknown.png
unknown.png
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help-10
0be1e1731c5648c0a7c747bde1cb9af5
200,013,547,491,688,450
a disappointing son
03/17/2022 22:16:14
that might be more of a google question
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help-10
0be1e1731c5648c0a7c747bde1cb9af5
261,933,205,387,477,000
riemann
03/17/2022 22:22:19
bounded by what?
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help-10
0be1e1731c5648c0a7c747bde1cb9af5
677,350,243,293,069,300
aab
03/17/2022 22:22:59
by f(y), g(y) and x=-1
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0be1e1731c5648c0a7c747bde1cb9af5
299,271,213,967,081,500
Chtholly Nota Seniorious
03/17/2022 23:15:16
assumming you want nly the overlap of the gray and red area to be shaded?
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help-10
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Cog
11/09/2021 20:53:32
just not sure how to integrate a and b into the answer/what the question is looking for. I know that numerically the maximum value is infinitely close to 1
https://cdn.discordapp.c…3614/unknown.png
unknown.png
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hiro
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496ed6cb735e41028eebbcdeb165f7d1
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Cog
11/09/2021 21:09:13
oh well, sleepy time
1
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496ed6cb735e41028eebbcdeb165f7d1
261,955,782,252,167,170
Cog
11/09/2021 21:09:14
.close
1
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fab7a676325845a096fa42e2331b0329
352,302,543,281,455,100
anh !
03/18/2022 00:20:12
anyone good at cal 2?
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fab7a676325845a096fa42e2331b0329
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dldh06
03/18/2022 00:25:21
Don't ask if anyone is good at a topic. Just post the question you are stuck on, and what you attempted and someone who can help will come by
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Olly
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Olly
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143,080,718,728,298,500
Tusk
03/18/2022 04:12:49
Doing old exams and this refers to numerical methods which is a course i did way back and dont remember anything of.. Any help?
https://cdn.discordapp.c…6146/unknown.png
unknown.png
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help-10
292f13cdaa1641049386c847a772a72d
516,538,192,724,492,300
waltuh
03/18/2022 07:13:29
I don't understand what the underlined part means.
https://cdn.discordapp.c…1188/unknown.png
unknown.png
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help-10
292f13cdaa1641049386c847a772a72d
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Alexander42
03/18/2022 07:21:42
it means: $\sqrt{\dots}$ is never negative. So for all x the term $\sqrt{2x-1}$ is always nonnegative. But then it is never -5. So there is no solution (and the whole calculation wouldn't be necessary)
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TeXit
03/18/2022 07:22:13
**Alexander42**
https://cdn.discordapp.c…133785657375.png
692654133785657375.png
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292f13cdaa1641049386c847a772a72d
516,538,192,724,492,300
waltuh
03/18/2022 07:22:56
Thanks.
1
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help-10
292f13cdaa1641049386c847a772a72d
516,538,192,724,492,300
waltuh
03/18/2022 07:22:58
.close
1
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4a04664ac929496898dcb3ff2ce4eccc
140,240,874,759,127,040
nacl
03/18/2022 07:49:01
https://cdn.discordapp.c…6332/unknown.png
unknown.png
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5318ec0a866942d695dffc93f2f97a78
250,708,380,644,016,130
joey
03/18/2022 10:48:40
Can someone help me with 17
1
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5318ec0a866942d695dffc93f2f97a78
250,708,380,644,016,130
joey
03/18/2022 10:48:42
https://cdn.discordapp.c…6C75533B182F.jpg
52546EDF-FF03-44FF-9202-6C75533B182F.jpg
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help-10
5318ec0a866942d695dffc93f2f97a78
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joey
03/18/2022 10:48:47
I also don’t know what to do
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aab
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help-10
5318ec0a866942d695dffc93f2f97a78
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joey
03/18/2022 10:48:52
I understand the lessons
1
0
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help-10
5318ec0a866942d695dffc93f2f97a78
250,708,380,644,016,130
joey
03/18/2022 10:49:02
But some of the problems I just can’t do
1
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help-10
5318ec0a866942d695dffc93f2f97a78
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joey
03/18/2022 10:50:21
I’m thinking maybe translating the question into propositional logic?
1
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help-10
5318ec0a866942d695dffc93f2f97a78
250,708,380,644,016,130
joey
03/18/2022 10:50:49
But how would something equal the universal set
1
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help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:49:59
A cube of metal weighs 6 kg. How much does a cube weigh (the same metal) where the sides are twice as long as the original cube?
1
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1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:50:59
I know that the volume of a cube is = the sides³
1
0
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help-10
6da37aaed55546ac837f7b10928e38fc
551,269,104,800,104,450
EndTimes
03/18/2022 11:51:12
Ok
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1
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anh !
9482
anh !
false
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
551,269,104,800,104,450
EndTimes
03/18/2022 11:51:23
Lets say that the original cube of metal has side length 1
0
1
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help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:51:31
Yeah
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1,319
help-10
6da37aaed55546ac837f7b10928e38fc
551,269,104,800,104,450
EndTimes
03/18/2022 11:51:49
Then that means its volume would also be 1
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:52:06
Yeah
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
551,269,104,800,104,450
EndTimes
03/18/2022 11:52:14
So its density is 6kg/m^3
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:52:50
Ok
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
551,269,104,800,104,450
EndTimes
03/18/2022 11:52:53
Now find the volume of a cube with side length 2
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
798,063,099,387,052,200
Anonymous User
03/18/2022 11:53:08
basically x^3 = 6 (2x)^3 = ?
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:53:20
Where x is the side length?
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
798,063,099,387,052,200
Anonymous User
03/18/2022 11:53:27
yes
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
798,063,099,387,052,200
Anonymous User
03/18/2022 11:53:34
length of each side of the cube
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:53:50
But is the volume formula the same as the mass?
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:54:00
Isn't it p=m/V => m =p*V?
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
798,063,099,387,052,200
Anonymous User
03/18/2022 11:54:15
no
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
798,063,099,387,052,200
Anonymous User
03/18/2022 11:54:24
i mean not really
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
186,109,587,366,215,680
Omegabet_
03/18/2022 11:54:30
Volume isn't mass, so no
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:55:03
So what do we know about the mass from knowing the formula of the volume?
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
551,269,104,800,104,450
EndTimes
03/18/2022 11:55:14
Density.
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
186,109,587,366,215,680
Omegabet_
03/18/2022 11:55:22
You know it's density
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:55:34
What is the density?
1
0
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
186,109,587,366,215,680
Omegabet_
03/18/2022 11:55:40
Read
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
186,109,587,366,215,680
Omegabet_
03/18/2022 11:55:53
You were told it explicitly already
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
798,063,099,387,052,200
Anonymous User
03/18/2022 11:56:00
since same metal so density is same density of old cube = density of new cube m/V = m/V 6/x^3 = m/(2x)^3
0
1
null
null
null
null
null
1,319
help-10
6da37aaed55546ac837f7b10928e38fc
933,153,827,648,045,200
AuHasard
03/18/2022 11:56:10
So the volume is x^3
1
0
null
null
null
null
null