What is the rate of change of the volume V of a hemi...
What is the rate of change of the volume V of a hemisphere with respect to its radius r when r = 2?
8π
16π
2π
4π
Correct answer is A
\(V = \frac{2}{3} \pi r^{3}\)
\(\frac{\mathrm d V}{\mathrm d r} = 2\pi r^{2}\)
\(\frac{\mathrm d V}{\mathrm d r} (r = 2) = 2\pi (2)^{2}\)
= \(8\pi\)
If r varies inversely as the square root of s and t, how does s vary with r and t? ...
Evaluate \(\frac{0.36 \times 5.4 \times 0.63}{4.2 \times 9.0 \times 2.4}\)...
From the diagram, find the value of x in the diagram....
In the diagram, △XYZ is produced to T. if |XY| = |ZY| and ∠XYT = 40°, find ...