Grade 8 McGraw Hill Glencoe - Answer Keys Answer keys

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Grade 8 McGraw Hill Glencoe - Answer Keys

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Guided Practice

Find the volume of each sphere. Round to the nearest tenth.

\(\text{ft}^{3}\)

\(\text{km}^{3}\)

Question 3 (request help)
Sarah is blowing up spherical balloons for her brother's birthday party. One of the balloons has a radius of 3 inches. Round to the nearest tenth.

a. What is the volume of the balloon.

\(\text{in.}^{3}\)

Question 3 (request help)
b. Suppose Sarah can inflate the baloon ar a rate of 200 cubic inches per minute. How long it will take her to inflate the balloon?

minutes

\(\text{in.}^{3}\)

\(\text{mm}^{3}\)

Question 6 (request help)
Building on the Essential Question True or false? The volume of a sphere is two-thirds the volume of a cylinder with the same radius r and a height of 2r. Explain your reasoning.
Type below: