Solve the problem.The air speed of an airplane is 650 km/hr and its angle of climb is 4.60°. What is its ground speed (to the nearest km/hr)?

A. 648 km/hr
B. 638 km/hr
C. 643 km/hr
D. 633 km/hr


Answer: A

Mathematics

You might also like to view...

Simplify the factorial expression.

A. 1 B. 0! C. 4 D. 6

Mathematics

Find a general term an for the geometric sequence.a1 = 2 and r = 2

A. an= 2 + 2(n - 1)  B. an = 2(2)n-1 C. an =2(2)(n-1)  D. an = 2(n-1) + 1

Mathematics

Perform the indicated operation and express in lowest terms. ?  ÷ 

A.  
B.  
C. 1
D.

Mathematics

Solve the system. Express the solution in the form (x, y, z, w).  5x - 6z + w = 4-x + 5y + z - 5w = 8  2x - y + 6w = -21  y - 5z - w = -3

A. {(3, -3, 1, -5)} B. {(-3, 3, 3, -6)} C. {(2, -1, -1, 0)} D. {(1, -3, -7, -5)}

Mathematics