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 = 
?rh
B. V = 
r2h
C. V = 
?r2h2
D. V = 
?r2h
Answer: D
Mathematics
You might also like to view...
Integrate the function f over the given region.f(x, y) = 
over the region bounded by the x-axis, line 
and curve 
A. 1 B. 9 C. 8 D. 10
Mathematics
Solve the problem.pH = -log10[H+] Find the [H+] if the pH = 2.4.
A. 3.98 × 10-2 B. 2.51 × 10-2 C. 2.51 × 10-3 D. 3.98 × 10-3
Mathematics
Calculate.7 ? 5 - (23 - 5) ÷ 2 - (9 - 7)
A. 1 B. 15 C. 24 D. 10
Mathematics
Add:
Mathematics