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August 21, 2014

August 21, 2014

Posted by **kitty kat** on Sunday, September 20, 2009 at 4:34pm.

1. Volume of a cone: solve for h: V=Ļir^2h/3

2. Temperature formula: solve for C: F=9/5C+32

pleaseeeee help me solve these! plzzz! i have nooo idea how to do these. THANKS! =)))

- algebra -
**Reiny**, Sunday, September 20, 2009 at 4:41pmyour first formula should have been

V = pi(r^2)(h/3)

multiply by 3

3V = pi(r^2)h

divide by pi(r^2)

3V/(pi(r^2)) = h

in the second , multiply each term by 5

5F = 9C + 160

9C = 5F - 160

9C = 5(F - 32)

C = (5/9)(F-32)

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