A can has a volume of 25 cubic inches. We can calculate both the height h, in inches, and the surface area S, in square inches, from the radius r, in inches, of the can:
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A: Find the radius of the can of minimum surface area.B: What is the height of the can of minimum surface area?C: What is the minimum surface area?
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(Round your answers to two decimal places.)
What will be an ideal response?
A: 1.58 inches?B: 3.17 inches?C: 47.33 square inches
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Solve the problems.A small farm field is a square measuring 350 ft. on a side. What is the perimeter of the field? If you double the length of each side of the field, what is the new perimeter?
A. 1,400 ft., 2,800 ft. B. 700 ft., 1,400 ft. C. 350 ft., 1,400 ft. D. 700 ft., 2,800 ft.
Perform the indicated operations in the proper order.8(-2) + (5 - 7)2
A. 196 B. 8 C. 20 D. -12
Use identities to simplify the expression. Do not use a calculator.2 cos275° - 1
A. -
B.
C. -
D.
Find the angular velocity associated with the given rpm. Round to the nearest tenth. ? 9.3 rpm ?
A. 65 rad/min B. 67.9 rad/min C. 46 rad/min D. 55.3 rad/min E. 58.4 rad/min