rjuan00046
rjuan00046 rjuan00046
  • 23-07-2017
  • Mathematics
contestada

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

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irspow
irspow irspow
  • 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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jbmow
jbmow jbmow
  • 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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