An escalator in a department store is to carry people a vertical distance of 25 feet between floors. How long is the escalator if it makes an angle of 30° with the ground?

A. 42 feet
B. 31 feet
C. 41 feet
D. 50 feet
E. 39 feet


Answer: D

Mathematics

You might also like to view...

Solve. Graph the solution on a number line, and express it in interval notation.-3 ? 3 + x ? 4

A. -6 < x < 1, (-6, 1)

B. -12 < x < 2, (-12, 2)

C. -6 ? x ? 1, [-6, 1]

D. -12 ? x ? 2, [-12, 2]

Mathematics

Find the area of the specified region.Shared by the circles r = 4 and r = 8 cos ?

A. (2? + 3)
B. (4? - 3)
C. ?
D. 8?

Mathematics

Provide an appropriate response.The graph of the solution to  on the number line is

A. |x| < 8 B. |x| > 8 C. |x| ? 8 D. |x| ? 8

Mathematics

Use factoring techniques to solve the quadratic equation.2x2 - 7x = 6x2 + 5x

A.
B.
C.
D.

Mathematics