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1. Y varies directly as x and inversely as the square of z, and when x = 32, y = 6 and z = 4. Find x when y = 10 and z = 3. 

 

2. the volume of a cone varies jointly as its height and the square of its radius. A cone with a radius of 6 inches and a height of 10 inches has a volume of 120pi cubic inches. Find the volume of a cone having a radius 15 inches and a height of 7 inches.

 

Thanks!!

 Nov 30, 2020
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1. When y = 10 and z = 3, x = 4.

 

2. The volume of a cone having a radius 15 inches and a height of 7 inches is 158*pi.

 Dec 12, 2020

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