Question

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The radius, r, of a cylinder with a volume of 28.26y cubic units is found by the equation below.
r= (28.26y/3.14y)^1/2


Which statement best describes 28.26y?
The volume of the cylinder is 28.26 times the height.

The volume of the cylinder is 9 times the height.

The volume of the cylinder is 28.26 times the radius.

The volume of the cylinder is 9 times the radius.

Answer 1

y = height

Answer 2

Volume of a cylinder: \(V = \pi r^2 h\)Solving for r we get \[r^2 = \frac{V}{\pi h}\]\[r=\sqrt{\frac{V}{\pi h}}\]So if \(V=28.26y\)... can you figure it out?