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23-07-2017
Mathematics

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Write an algebraic expression which represents the volume of a cylinder whose radius is 3k and height is 2k + 1.

Respuesta :

23-07-2017

V=hπr^2

V=(2k+1)π(3k)^2

V=π(2k+1)(9k^2)

V=π(18k^3+9k^2)

V=18πk^3+9πk^2

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23-07-2017

V= Pi r^2 h
V = Pi (3k)^2 (2K+1) = Pi (9k^2)(2K+1)
V = (18K^3 + 9K^2 )Pi

Answer Link

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