Question

Marylou is blowing up a beach ball. The package says that the ball has a diameter of 18 inches. What is the volume of the beach ball when it is completely full? Use 3.14 for .

Answer 1

a beach ball is a sphere.....
volume of a sphere=1.25πradius³
V=1.25*π*9³
V=3053.63

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Your answer is: V=3053.63 

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Answer 2

How to solve:
1. Write down the equation for calculating the volume of a sphere. This is the         equation: V = ⁴⁄₃πr³.

2. Find the radius. (Radius = 9)

3. Cube the radius.

4. Multiply the cubed radius by 4/3.

5. Multiply the equation by π.

Answer: 3053.63