Solve.An experienced accountant can balance the books twice as fast as a new accountant. Working together it takes the accountants 8 hours. How long would it take the experienced accountant working alone?

A. 4 hr
B. 20 hr
C. 16 hr
D. 12 hr


Answer: D

Mathematics

You might also like to view...

Find the prime factorization of the number.360

A. 23 ? 3 ? 5 B. 22 ? 3 ? 5 C. 23 ? 32 ? 5 D. 22 ? 32 ? 5

Mathematics

Answer the question about the given function.Given the function f(x) = 2x2 + 4x - 4, if x = -1, what is f(x)? What point is on the graph of f?

A. -6; (-1, -6) B. -6; (-6, -1) C. 2; (-1, 2) D. 2; (2, -1)

Mathematics

Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) =  - 2

A. f-1(x) = (x + 2)3
B. f-1(x) = x3 + 2
C. f-1(x) =  + 2
D. f-1(x) = (x - 2)3

Mathematics

Evaluate the integral . If it's necessary, round your calculations to one decimal place. ?

A.
B.
C.
D.
E.

Mathematics