Question

Solve each equation for the indicated variable.

Answer 1

#15

`\\ \bull\tt\dashrightarrow A=(1)/(2)\pi r^2`

`\\ \bull\tt\dashrightarrow \pi r^2=2A`

`\\ \bull\tt\dashrightarrow \pi=\sqrt{(2A)/(r)}`

#17

`\\ \bull\tt\dashrightarrow 4m-n=1`

`\\ \bull\tt\dashrightarrow 4m-1=n`