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The length of a rectangular prism is 4 feet, and the width is 3 feet. The volume of the prism is 9 cubic feet. In inches, what is the height of the prism? A) 6 inches B) 8 inches C) 9 inches D) 10 inches
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The length of a rectangular prism is 4 feet, and the width is 3 feet. The volume of the prism is 9 cubic feet. In inches, what is the height of the prism?

A) 6 inches
B) 8 inches
C) 9 inches
D) 10 inches

User Nkhil
by
5.6k points

2 Answers

5 votes

Answer:

C 9 inches

Explanation:

User Leon Grin
by
5.7k points
1 vote
The formula for volume of a rectangular prism is V = lwh. Plugging in what we have:
9 = 4(3)(h)
9 = 12h
Now we cancel the 12 by dividing:
9/12 = 12h/12
3/4 = h
However, this is in feet. We must convert to inches:
3/4 (12) = 3/4(12/1) = 36/4 = 9 inches.
User Ragebiswas
by
5.5k points
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