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25 November, 10:45

A cylinder has a radius of 4x + 2 and a height of 5x + 4. Which polynomial in standard form best describes the total volume of the cylinder? Use the formula V = pir2h for the volume of a cylinder.

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  1. 25 November, 10:47
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    V = π r² h

    V = π (4x+2) ² (5x+4)

    V = π (4x+2) (4x+2) (5x+4)

    V = π (16x²+16x+4) (5x+4)

    V = π (80x³+144x²+84x+16)

    V = 251.33x³ + 452.39x²+263.89x+50.27
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