Solve the problem.A plane makes a 240-mile trip against a head wind in 1 hour and 30 minutes and returns, with a tail wind of the same speed, in 1 hour. What is the speed of the wind?
A. 80 mph
B. 40 mph
C. 160 mph
D. 200 mph
Answer: B
Mathematics
You might also like to view...
Using the Law of Cosines, find angles A and B when a = 5, b = 4, and c = 8.
a. A = 38.1ø, B = 43.7ø b. A = 30.75ø, B = 24.15ø c. A = 35.1ø, B = 30.75ø d. A = 24.15ø, B = 35.1ø e. A = 48.1ø, B = 21.9ø
Mathematics
In a right triangle, the measures of the angles are 
, 
, and 
= 90°. With the lengths of the opposite sides being a, b, and c respectively, find tan
src="https://sciemce.com/media/4/ppg__cognero__Section_11.3_The_Tangent_Ratio_and_Other_Ratios__media__f9da5f62-644c-4252-9bc7-da82ad5055d4.PNG" style="vertical-align: -3px;" />. What will be an ideal response?
Mathematics
Graph the function.f(x) = -x4 - 3x2
A. 
B. 
C. 
D. 
Mathematics
Add. Write a mixed numeral for the answer.
A. 5057
B. 
C. 
D. 4959
Mathematics