Question

350 of the square of a certain number is 126. 15 what is the number of​

Answer 1

Let the required number be x.

Then,

$350 \times {x}^{2} = 126.15 \\ \\ {x}^{2} = \frac{12615}{100 \times 350} \\ \\ x= \sqrt{ \frac{12615}{100 \times 350} } \\ \\ x = \sqrt{ \frac{2523}{7000} }$