Question

What is the value of square root of x+2y/8y if x=5.6 and y=3.1 correct to 2 decimal places​

Answer 1

$\rm \sqrt{ \frac{x + 2y}{8y} } \\ \\ \tt\sqrt{ \frac{5.6 + 2(3.1)}{8(3.1)} } \\ \\ \tt \sqrt{ \frac{5.6 + 6.2}{24.8} } \\ \\ \tt\sqrt{ \frac{11.8}{24.8} } \\ \\ \tt \sqrt{0.475} = 0.6892$