Solve the problem.Find the value for x in the cube. Use exact values.   3 ft

A. 3 ft
B. 9 ft
C. 3 ft
D. 3 ft


Answer: A

Mathematics

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A company installs 5,000 light bulbs. The lifetimes of the lightbulbs are approximately normally distributed with a mean of 500 hours and a standard deviation of 100 hours. Find the approximate number of bulbs that can be expected to last the indicated amount of time.Between 500 hours and 675 hours

A. 4,700 B. 2,300 C. 4,800 D. 2,256

Mathematics

Shade the region(s) that represents the set described.C' ? (A ? B)

A.


B.

C.

D.

Mathematics

Provide an appropriate response.Subtract and reduce when necessary:  - 

A.
B. 1
C.
D.

Mathematics

Solve the problem.While traveling at a constant speed in a car, the centripetal acceleration passengers feel while the car is turning is inversely proportional to the radius of the turn. If the passengers feel an acceleration of 27 feet per second per second when the radius of the turn is 80 feet, find the acceleration the passengers feel when the radius of the turn is 240 feet.

A. 5 ft/sec2 B. 4 ft/sec2 C. 6 ft/sec2 D. 3 ft/sec2

Mathematics