Solve the problem.From a point on a river, two boats are driven in opposite directions, one at 10 miles per hour and the other at 11 miles per hour. In how many hours will they be 84 miles apart?

A. 1 hr
B. 6 hr
C. 5 hr
D. 4 hr


Answer: D

Mathematics

You might also like to view...

Use a graphing calculator to perform the indicated multiplication.

A.  
B.  
C.  
D.

Mathematics

Rewrite the expression in terms of exponentials and simplify the results.sinh (2 ln 8x)

A.
B. 4
C. 16x
D.

Mathematics

Graph the region described by the inequality.-4x ? 2y

A.

B.

C.

D.

Mathematics

Select the graph of the polar equation using symmetry, zeros, maximum r-values, and any other additional points. ? ?

A. Symmetric with respect to polar axis

Circle with radius 2.5

?


B. Symmetric with respect to polar axis

Circle with radius 2.5

?


C. Symmetric with respect to polar axis

Circle with radius 2.5

?


D. Symmetric with respect to polar axis

Circle with radius 2.5

?


E. Symmetric with respect to polar axis

Circle with radius 2.5

?


Mathematics