Use rational equations to solve the problems.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in still air?
A. 175 mph
B. 210 mph
C. 190 mph
D. 185 mph
Answer: D
Mathematics
You might also like to view...
Decide whether the statement is true or false.If two lines do not meet and they are not parallel, they must be skew.
A. True B. False
Mathematics
Provide an appropriate response.If f(x) = 
and g(x) = 3x2 + 4, find f(g(x)).
What will be an ideal response?
Mathematics
Solve ?STC, round to the nearest tenth.
Mathematics
Given f(x) and g(x), find the indicated composition and evaluate.f(x) = -5x + 6; g(x) = 4x2 - 8x + 7Find (f ? g)(7).
A. -729 B. 123 C. 3603 D. 111
Mathematics