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help-10
57fc17ee8e3e402a91e9b558dbb66d5a
421,244,567,724,097,540
Machew
01/13/2022 06:32:51
.close
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:38:33
Hi, how can I find the radius of a cylinder by having the volume (3000) and the length (2)
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:38:54
Imagine the rectangular paper
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:39:05
With length 2 units
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:39:35
When you fold it, it become hollow cylinder
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:39:52
Then fill the vacant up and bottom
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:40:05
But in any case
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:40:21
Volume of hollow cylinder=volume of proper cylinder
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:40:42
Do you just need to know volume's formula here
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:41:00
Which pi r^2 h
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:41:21
Length will be the height of cylinder
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:41:27
.
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:41:31
okay
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:41:57
Pi r^2 is the area of circle
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:42:29
Imagine buncha of circle filling the cylinder all the way from bottom to top of hollow opening
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:42:29
yes
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:42:41
So is the volume formula of cylinder justified
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:42:42
it's pi r^2
0
1
561,270,415,008,333,800
Calamity
8861
Calamity
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:42:44
not pi^2 r
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:42:49
ohh
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:43:24
r * r * pi
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:43:30
Yes
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:43:33
okay
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:43:42
So you understand how the volume formula of cylinder is made
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:43:47
yes
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:43:49
This is called concept
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:43:56
With this you don't remember formulas
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:44:30
but I have to find the R of the circle
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:44:37
Yes
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:44:45
You know the value of pi
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:44:48
22/7
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:44:58
And h aka length is already given
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:45:11
Just substitute the values and form the equation then solve it
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:45:17
R is found then.
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:46:06
Pi=22/7 or 3.14 I genrally use 22/7 because it's easier with this to simplify
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:46:53
wait
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:47:12
@Fujin read #❓how-to-get-help and get your own channel
0
1
549,619,613,164,503,040
Fujin
0074
Fujin
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:47:15
the exercise is
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:47:17
A tank, cylindrical in shape, has a capacity of 3000 liters. What is its radius knowing that its length is 2 m?
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:47:23
do not present approximations as if they are equalities
0
1
561,270,415,008,333,800
Calamity
8861
Calamity
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:47:42
pi, 22/7 and 3.140 are three different numbers that happen to be close to each other
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:47:58
Oh!! I see thank you!
0
1
183,668,144,404,037,630
Ann
0413
Ann
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:48:30
Always use 22/7 for pi unless specified another value @>emm
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:48:51
...
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:48:58
good job completely _ignoring_ what i said...
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:49:22
pi is not equal to 22/7 and should not be treated as interchangeable with 22/7
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:49:25
in switzerland i use 3.141592653 for Pi
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:50:01
if you’re able to use that, just use the actual value at that point
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:50:13
because this implies you’re using a calculator
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:50:31
Sorry I did t know that. I always have substituted 22/7 for pi
0
1
183,668,144,404,037,630
Ann
0413
Ann
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:50:37
:sully:
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:50:45
22/7 really isn’t even close to pi
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:50:49
so all this time, you thought that pi was _exactly equal_ to 22/7..
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:50:54
Yes
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:50:59
well then you learned something new today.
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:51:04
Yes
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:51:11
can you help me to this " A tank, cylindrical in shape, has a capacity of 3000 liters. What is its radius knowing that its length is 2 meter ? "
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:51:18
not your channel
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
183,668,144,404,037,630
Ann
01/13/2022 08:51:37
it _is_ XZY's channel actually
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:51:51
1 litre= 1dm^3
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:51:54
yes
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:52:03
Or
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:52:32
oh gosh
0
1
183,668,144,404,037,630
Ann
0413
Ann
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
652,336,711,325,712,400
quantum
01/13/2022 08:52:36
oops
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 08:52:40
what have you tried so far xzy?
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:53:45
nothing
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:53:50
because i understand nothing
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 08:54:45
first consider that 1m^3 = 1kL
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 08:55:01
so it'd be helpful to first convert 3000L to kL
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:56:30
it's 1 litre=1dm^3
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 08:57:10
That's another measurement
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:57:21
ok
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 08:58:26
i consider using the conversion > 1kL = 1m^3 simpler to apply here
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:58:31
yes
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 08:58:32
less decimals etc (though other valid conversions are fine too)
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 08:58:50
> so it'd be helpful to first convert 3000L to kL
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:59:06
okaaay
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 08:59:41
it's 3 kL
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:01:12
@ramonov?
1
0
220,517,274,845,577,200
ramonov
0921
ℝamonov
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 09:01:34
now convert 3kL to m^3
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:02:00
3m^3 ?
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 09:02:44
yes
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 09:03:20
now do you know the formula for the volume of a cylinder
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:03:30
yes
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:03:53
and for find the radius with the volume and length ?
1
0
null
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42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 09:05:05
Have you studied how to form equations?
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 09:05:24
> and for find the radius with the volume and length bad wording, can't decipher what you mean
0
1
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null
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null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:06:35
no, for 1 week I am at home because I am sick
1
0
561,270,415,008,333,800
Calamity
8861
Calamity
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:06:54
okay
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
220,517,274,845,577,200
ramonov
01/13/2022 09:09:48
try fix the wording or clearly show me what you're doing using math
0
1
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
561,270,415,008,333,800
Calamity
01/13/2022 09:12:05
So you can't solve it?
0
1
901,894,407,358,386,200
>emm
9051
>emm
false
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:14:14
i have found
1
0
null
null
null
null
null
42
help-10
73da98dd89c74898b806a1bf9012e3ac
901,894,407,358,386,200
>emm
01/13/2022 09:14:15
thx you
1
0
null
null
null
null
null
43
help-10
8e21c010a91640b1b2fcc43c573e6076
723,503,994,525,450,200
MαяιA
01/13/2022 09:50:39
Hi, I have a question Suppose that A union B = A union C, then B = C?
1
0
null
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null
43
help-10
8e21c010a91640b1b2fcc43c573e6076
348,696,743,388,381,200
A Lonely Bean
01/13/2022 09:51:31
No
0
1
null
null
null
null
null
43
help-10
8e21c010a91640b1b2fcc43c573e6076
348,696,743,388,381,200
A Lonely Bean
01/13/2022 09:52:00
For example {1, 2}U{1} = {1, 2} = {1, 2}U{2}
0
1
null
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null
43
help-10
8e21c010a91640b1b2fcc43c573e6076
160,921,656,313,905,150
Katharine
01/13/2022 09:52:22
there could be overlap of A with B
0
1
null
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43
help-10
8e21c010a91640b1b2fcc43c573e6076
160,921,656,313,905,150
Katharine
01/13/2022 09:52:27
and similarly of A with C
0
1
null
null
null
null
null
43
help-10
8e21c010a91640b1b2fcc43c573e6076
160,921,656,313,905,150
Katharine
01/13/2022 09:52:33
such that B is not C
0
1
null
null
null
null
null
43
help-10
8e21c010a91640b1b2fcc43c573e6076
160,921,656,313,905,150
Katharine
01/13/2022 09:52:44
even though the union of A with B = union of A with C
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1
null
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null