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Mathematics 11 Online
OpenStudy (anonymous):

A copper pipe, used for plumbing from the water main to a house, is 5 meters long and has a circular cross-section 3.2 cm in diameter. There is a 2.4 cm diameter hole in the center of the cross-section for the entire length of the rod. What is the volume of copper in the rod in cubic inches?

OpenStudy (anonymous):

The density of copper is 559 lb_m/ft^3. What is the mass of the copper pipe in pounds?

OpenStudy (anonymous):

mass/volume=density

OpenStudy (anonymous):

(559)(2.4)??

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