Write a general formula to describe the variation.The volume V of a right circular cone varies directly with the square of its base radius r and its height h. The constant of proportionality is 
?.
A. V = 
r2h
B. V = 
?r2h2
C. V = 
?r2h
D. V = 
?rh
Answer: C
Mathematics
You might also like to view...
Simplify the radical.
A. x5
B. x10
C. x10
D. x5
Mathematics
Solve the problem. Round your answer to the nearest tenth.A person is pulling a freight cart with a force of 45 pounds. How much work is done in moving the cart 60 feet if the cart's handle makes an angle of 17° with the ground?
A. 789.4 ft-lb B. 78.9 ft-lb C. 2582.0 ft-lb D. 2641.0 ft-lb
Mathematics
Solve the system by elimination.3p + 4q = -1.56p + 8q = -3
A. p = -1.5, q = 1.5 B. p = 2, q = -1.5 C. p = 1.5, q = -1.5 D. p = 1.5, q = -1
Mathematics
Divide.
÷ 
A. - 1
B. 
C. - 
D. - 34
Mathematics