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anonymous
 one year ago
Cylinder A has a radius of 12 inches and a height of 6 inches. Cylinder B has a volume of 648π. What is the percent change in volume between cylinders A and B?
Cylinder B is 50% smaller than cylinder A.
Cylinder B is 25% smaller than cylinder A.
Cylinder B is 150% bigger than cylinder A.
Cylinder B is 200% bigger than cylinder A.
anonymous
 one year ago
Cylinder A has a radius of 12 inches and a height of 6 inches. Cylinder B has a volume of 648π. What is the percent change in volume between cylinders A and B? Cylinder B is 50% smaller than cylinder A. Cylinder B is 25% smaller than cylinder A. Cylinder B is 150% bigger than cylinder A. Cylinder B is 200% bigger than cylinder A.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0find the volume of cylinder A

anonymous
 one year ago
Best ResponseYou've already chosen the best response.03.14 * 12^2 *6 3.14 * 144 *6 2712.96

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0yup, now find the volume of cylinder B

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0then divide the bigger volume by the smaller volume

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0then convert that decimal into a percent

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but how do i find the volume of cylinder B when i dont know the radius

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0because it says the volume of cylinder B is 648 times pi

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0648 * 3.14 + 2034.72

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0no,volume of A\[=\pi 12^2*6=864 \pi\] volume of B\[=648 \pi\] change in volume\[=864 \pi648 \pi=216 \pi\] % change\[=\frac{ 216 \pi }{ 864 \pi }\times 100=25 % \] =25 %

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0how did you get the volume of A to be 864.. Im confused ? @surjithayer

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0he/she didn't get 864, he/she got 864*pi

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Oh i see what you did now my bad(:

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0do not substitute the value of pi as the volume of B is 648 pi.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh, never mind  listen to @surjithayer I might be wrong

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I understand now, Thank you soooooo muchhh!!
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