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OpenStudy (anonymous):
The volume of a cone varies jointly with its height and the square of its base radius. A cone has a base radius of 4ft, height of 6 ft, and volume 100.48(cubed feet). What is volume of a cone with a height of 3ft, and a base radius of 3ft.
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OpenStudy (lgbasallote):
since this is a proportion...i'll answer that way.. \[\huge V _{cube} = khr ^{2}\] <----k is the proportionality constant 100.48 = k(6)(4)^2 100.48 = k (6)(16) 100.48 = k (96) divide both sides... k = 1.046 so.... V = (1.046)(3)(3)^2 ^k ^h ^r i leave the rest to you yes?
OpenStudy (anonymous):
thanks a ton!
OpenStudy (lgbasallote):
<tips hat>
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