lexie44 lexie44

04-04-2017
Mathematics

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The volume of a barrel of oil is 0.22 m^3. If the height of the barrel is 0.84 m, what is the radius to the tenths place? Please provide the work to get the answer

Respuesta :

04-04-2017

V = pi * r^2 * h
.22 = 3.14 * r^2 * .84
.22 = 2.6 r^2
divide both sides by 2.6
.08 = r^2
r = .3 the radius is approximately .3 m

CHECK
V = 3.14 * .3^2 * .84
V = .24 m^3

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