anonymous
  • anonymous
Jake has two similar cylindrical pipes. The radius of the first cylindrical pipe is 5 cm. The circumference of the second cylindrical pipe is 20π cm. The volume of the second cylindrical pipe is how many times greater than the volume of the first cylindrical pipe? A) 8 B) 5 C)3 D)4
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
C = 2 pi r 20 pi = 2 pi r 10 = r of 2nd pipe V = pi r^2 h V = pi 100 h and V = pi 25 h If the heights are the same. How many times greater in pipe 2?
anonymous
  • anonymous
ok can you explain me better :(
anonymous
  • anonymous
@whipcream<3 let me help you do you know the volume of cylinder?????

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anonymous
  • anonymous
mhmmm no? im lost sorry o.o
anonymous
  • anonymous
voume of any regular body is base* area now what about base here..........means what type of figure it is square circle.???
anonymous
  • anonymous
@whipcream<3 ???????
anonymous
  • anonymous
ok im getting there?
anonymous
  • anonymous
I know what is the formula of the circumference of the cylindrical pipe is C=2 x pi x radius
anonymous
  • anonymous
so the radius of the 2nd cylindrical pipe is? 10?
anonymous
  • anonymous
@whipcream<3 yup:) so volume is=2x pi x radius x height volume of first cylinder=2 x pi x 5cm x height yes radius is 10:)
anonymous
  • anonymous
this is the formula for the 2 _similar_ cylindrical pipes V = pi x r^2 x h?
anonymous
  • anonymous
yup i m sry i just wrote it wrong:(
anonymous
  • anonymous
its ok :)
anonymous
  • anonymous
so now?
anonymous
  • anonymous
now u got what ChmE has written?????????
anonymous
  • anonymous
yes ^.^
hba
  • hba
The link i gave is pretty helpful @whipcream<3
anonymous
  • anonymous
oh yeah thank you @hba but im trying to learn it .
anonymous
  • anonymous
byeeeeeeeeeeeeeeeeeeeeeeee:)
anonymous
  • anonymous
Yes. So would the answer be 4?
anonymous
  • anonymous
yup:)
anonymous
  • anonymous
thanks!;)

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