Solve.A boat can go 90 mph in still water. It takes as long to go 280 miles upstream as it does to go downstream 320 miles. How fast is the current?
A. 4 mph
B. 5 mph
C. 1 mph
D. 6 mph
Answer: D
Mathematics
You might also like to view...
Find the requested composition of functions.Given f(x) = 6x + 12 and g(x) = 2x - 1, find (f ? g)(x).
A. 12x + 23 B. 12x + 6 C. 12x + 18 D. 12x + 11
Mathematics
Determine whether or not the given function is an exponential function.y = x7 + 9x
A. exponential B. not exponential
Mathematics
Find the distance between the pair of points.(m, m + n) and (m - n, n)
A. 
B. n - m
C. 
D. n + m
Mathematics
Graph the two functions on one coordinate plane.f(x) = x3g(x) = x3 + 3
A. 
B. 
C. 
D. 
Mathematics