Lilcrime52viz Lilcrime52viz

Math

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find the weight of a brass.water pipe 20ft. long whose inside diameter is 1.5 in. and whose thickness is 1/4 in. If brass weights 520Lb per cu. ft.

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Jessviz Jessviz

1/5 in+ 1/4 in÷12 in=1.0375 ft
π/4(0.375 ft)² = 0.001104466
ans. x 20=0.022089323
ans. x 520 = 11.49 lbs.

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