Question

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

Answer 1

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