The square root of a number is 2k. What is half of the nu...
The square root of a number is 2k. What is half of the number
\(\sqrt{\frac{k}{2}}\)
\(\sqrt{k}\)
\(\frac{1}{2}k^2\)
2k2
Correct answer is D
Let the number be x.
\(\sqrt{x} = 2k \implies x = (2k)^2\)
= \(4k^2\)
\(\frac{1}{2} \times 4k^2 = 2k^2\)
Evaluate log 18 + log6 - log16\(^{\frac{1}{2}}\)...
The diagram is a polygon. Find the largest of its interior angles ...
Find the mean deviation of the set of numbers 4, 5, 9...
Find the value of p if \(\frac{1}{4}\)p + 3q = 10 and 2p - q = 7...
If 5x + 3y=4 and 5x-3y= 2, what is the value of (25x\(^2\) -9y\(^2\))?...
Make Q the subject of formula when \(L=\frac{4}{3}M\sqrt{PQ}\) ...