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OpenStudy (anonymous):
If the edge of a cube is 9 inches and the edge of a second cube is 7 inches, the difference in the volumes of these cubes is what amount?
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OpenStudy (anonymous):
not one of my answers sorry :/
OpenStudy (anonymous):
\[V _{2}-V _{1} = 9^{3} - 7^{3} = 729-343 = 386 \]cubic inches
OpenStudy (anonymous):
thanks :)
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