Solve the problem.The radius r of a cone of height h (in inches) and volume V (in cubic inches) is given by r =
.If the height of a cone is 16.2 in. and its volume is 109 in.3, find its radius to the nearest hundredth of an inch.
A. 0.63 in.
B. 0.36 in.
C. 1.43 in.
D. 2.53 in.
Answer: D
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Solve the problem. Round your answer, if appropriate.Water is being drained from a container which has the shape of an inverted right circular cone. The container has a radius of 5.00 inches at the top and a height of 9.00 inches. At the instant when the water in the container is 8.00 inches deep, the surface level is falling at a rate of 0.4 in./sec. Find the rate at which water is being drained from the container.
A. 31.6 in.3s B. 38.1 in.3/s C. 24.8 in.3/s D. 23.7 in.3/s
Round following numbers as indicated.53.123494 (ten-thousandth)
A. 53.123494 B. 53.12349 C. 53.1235 D. 53.1236
Approximate the value using a calculator. Express answer rounded to three decimal places.3.73.06
A. 54.789 B. 62.686 C. 126.575 D. 11.322
Solve the system of equations.
A. x = 0, y = 5, z = 0 B. x = 0, y = 0, z = 5 C. inconsistent (no solution) D. x = 3, y = 5, z = 0