Homework Help: 8th grade

Posted by Chris Molle on Wednesday, September 15, 2010 at 11:03pm.

Dimensions of a paper cup. The volume of a paper cup, shaped like a circular cone is 30pie cubic centimeters. The radius of the top of the cup is 3 centimeters. What is teh height of the cup?

8th grade - TutorCat, Thursday, September 16, 2010 at 12:10am
v = (1/3)(π)(r^2)h
30pi cm^3=(1/3)(π)(3^2)h

find h.
8th grade - smile, Monday, October 4, 2010 at 9:02pm
v = (1/3)(ð)(r^2)h
3v = ð (r^2)h
3v/ð = (r^2)h
3v/ð(r^2)= h

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