MrNooby MrNooby

25-05-2020
Mathematics

contestada

[100 pts] A musician purchases a pair of cube-shaped speakers that are 9 inches across. If the face of the speaker takes up of the total volume of the speaker, how much volume is left in both speaker cabinets?

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osikbro osikbro

25-05-2020

Answer:

1215 cubic inches

Step-by-step explanation:

If the cubes are 9 inches across, then each one has a volume of 9^3=729 cubic inches. If 1/6 of this is taken up by the face, then 5/6 is left over for the cabinet. 5/6*729=607.5 cubic inches for a single speaker, which when multiplied by 2 to get both of them yields 1215 cubic inches, or answer choice D. Hope this helps!

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