Solve the problem.A jet plane moving at constant speed travels 1000 miles with the wind and then 1200 miles against the wind. If the speed of the wind is 50 mph and the total flight takes 5 hours, find the speed of the plane.

A. 500 mph
B. 100 mph
C. 400 mph
D. 450 mph

Answer: D

Mathematics

You might also like to view...

Translate the following into algebraic expressions.The sum of two weights is 213 lb. Use w1 and w2 as the weights.

A. w1 + w2 = 213 B. w1 ÷ w2 = 213 C. w1 - w2 = 213 D. w1 × w2 = 213

View
Mathematics

If ?A'B'C' is the image of ?ABC under a transformation and ?ABC ? ?A'B'C', then the transformation is NOT

(a) an isometry. (b) a similitude. (c) a reflection. (d) a rotation. (e) a translation.

View
Mathematics

Given the graph of the function f(x) = -x3 + 3x; find a formula for g(x) .f(x) = -x3 + 3xg(x) =?

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

View
Mathematics

Use a calculator to find the approximate value of the expression rounded to two decimal places.csc 83°

A. 0.92 B. 1.03 C. 1.01 D. 1.12

View
Mathematics