41. (A storage tank is in the shape of a cylinder topped by a hemisphere. The radius of the tank is 10 ft. and the height of the cylinder part of the tank is 30 ft. The top and lateral surface are to be painted with two coats of paint. If one gallon of paint covers 350 sq ft., how many gallons of paint must be purchascd? Show work! a. 8 gallons b. 18 gallons c. 15 gallons d. none of these

41. (A storage tank is in the shape of a cylinder topped by a hemisphere. The radius of the tank is 10 ft. and the height of the cylinder part of the tank is 30 ft. The top and lateral surface are to be painted with two coats of paint. If one gallon of paint covers 350 sq ft., how many gallons of paint must be purchascd? Show work! a. 8 gallons b. 18 gallons c. 15 gallons d. none of these

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

ChapterP: Preliminary Concepts

SectionP.CT: Test

Problem 1CT

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Question

41. (A storage tank is in the shape of a cylinder topped by a hemisphere. The radius of the tank is 10 ft. and
the height of the cylinder part of the tank is 30 ft. The top and lateral surface are to be painted with two
coats of paint. If one gallon of paint covers 350 sq ft., how many gallons of paint must be purchascd? Show
work!
a. 8 gallons
b. 18 gallons
c. 15 gallons
d. none of these

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