the volume of a cylinder is 8,478 cubic inches, and the radius is 15 inches. Which measurement is closest to the height of this cylinder in inches?

The height of the cylinder 'h' = 12 inches

Step-by-step explanation:

Explanation:-

Given Volume of the cylinder = 8,478 cubic inches

Radius of the cylinder = 15 inches

Volume of the cylinder is determined by

                           8,478 = 3.14 × (15)² h

The height of the cylinder 'h' = 12 inches

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step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15