Question

Solve the equation. 0.25r2 = 49 r and f =

Answer 1

`\begin{gathered} 0.25r^2=49 \\ \text{divide both sides by 0.25} \\ (0.25r^2)/(0.25)=(49)/(0.25) \\ r^2=196 \\ \text{square root both sides} \\ r=\sqrt[]{196} \\ r=14 \end{gathered}`