Solve for d
d=\frac{V^{2}}{16}
V\geq 0
Solve for V
V=4\sqrt{d}
d\geq 0
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V=4\sqrt{d}
Calculate the square root of 16 and get 4.
4\sqrt{d}=V
Swap sides so that all variable terms are on the left hand side.
\frac{4\sqrt{d}}{4}=\frac{V}{4}
Divide both sides by 4.
\sqrt{d}=\frac{V}{4}
Dividing by 4 undoes the multiplication by 4.
d=\frac{V^{2}}{16}
Square both sides of the equation.
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