Points A,B and C are on circle O, as shown. If AC = 20" and ?AOB = 120°, find the following.
(a) BC
(b) ?BAC
(c) The area of the shaded region.
120°
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Solve.The circumference of a water heater is 56.52 in. What is the diameter of the water heater?
A. 8.49 in. B. 9 in. C. 18 in. D. 36 in.
Classify the statement as either true or false.The domain of the function given by f(x) = ex is (-?, ?).
A. False B. True
Solve the problem.A twin-engined aircraft can fly 952 miles from city A to city B in 4 hours with the wind and make the return trip in 7 hours against the wind. What is the speed of the wind?
A. 68 mph B. 85 mph C. 34 mph D. 51 mph
The number of miles traveled by an experimental tire before it became unfit for use is recorded below. Find the mean. Please round your answer to the nearest integer.8,455, 22,190, 15,034, 32,162, 9,163, 25,060, 32,192, 38,165, 18,135, 34,189, 38,248, 37,077, 14,184, 42,180, 19,184, 33,339, 38,166, 28,046, 20,202, 34,407, 35,101, 40,008, 29,221, 32,220, 33,210
A. mean = 28,379 B. mean = 28,382 C. mean = 28,392 D. mean = 28,377 E. mean = 28,390