anonymous
  • anonymous
Am I right? A cylinder labeled X has a height of 10 inches and a radius of 15 inches. Another cylinder labeled Y has a height of 40 inches and a radius of 60 inches. The volume of cylinder Y is _______ times the volume of cylinder X. The answer is 1.06
Mathematics
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SOLVED
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jamiebookeater
  • jamiebookeater
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nincompoop
  • nincompoop
WHY MIGHT YOU THINK THAT YOU'RE WRONG?
anonymous
  • anonymous
O-O....
anonymous
  • anonymous
I think I'm wrong, because I'm not sure if I used the proper formula...?

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More answers

nincompoop
  • nincompoop
THEN FIGURE OUT THE CORRECT FORMULA. THE INTERNET IS AVAILABLE FOR YOUT TO USE
AravindG
  • AravindG
@nincompoop caps off please
anonymous
  • anonymous
I tried searching already but failed to find it;;
nincompoop
  • nincompoop
ARAVIND, THERE'S NO RULE AGAINST USING UPPER CAPS.
anonymous
  • anonymous
@Nurali , can you help with this problem?
AravindG
  • AravindG
Though it seems like you are shouting
AravindG
  • AravindG
@TheHero given any figure volume is got by the product of base area and height .Remember!
AravindG
  • AravindG
Base of a cylinder is a circle :Arepi *r*r
AravindG
  • AravindG
*Area=pi*r*r
nincompoop
  • nincompoop
http://bit.ly/13QMj74
AravindG
  • AravindG
height=h
AravindG
  • AravindG
So volume=pi *r*r*h
anonymous
  • anonymous
3.14*15*15= 707.14 Volumi: 3.14*15*15*10= 7071.428
anonymous
  • anonymous
Just divide the volume of Y by the volume of X. Pi x 60 x 60 x 40 / Pi x 15 x 15 x 10. If the final answer is 1.06 then ur correct. Y : X = 1.06 : 1 Which, by law of proportions means Y = 1.06 X; try it out
anonymous
  • anonymous
3.14*60*60*40=452571.428
anonymous
  • anonymous
;~; I did get 1.06 previously, I wasn't sure if it was right though.
AravindG
  • AravindG
why not ?
anonymous
  • anonymous
@AravindG somehow i think 1.06 is not right..radius itself is 4 times or something;
anonymous
  • anonymous
D: Because, I just guessed the formula!
AravindG
  • AravindG
If you get it by proper calculation .Why doubt it ?
AravindG
  • AravindG
Oh ok ....Now I gave you the correct formula .Calculate again?
anonymous
  • anonymous
I got 64.
anonymous
  • anonymous
Yes i think Y is 64 times of X's volume..i think its correcto
AravindG
  • AravindG
you are right !
AravindG
  • AravindG
\[\huge \color {red}{\checkmark}\]
anonymous
  • anonymous
Thanks so much! :DD
AravindG
  • AravindG
yw :)
anonymous
  • anonymous
yeah welcome

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