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Simplifying
5024 = 3.14r2
Solving
5024 = 3.14r2
Solving for variable 'r'.
Move all terms containing r to the left, all other terms to the right.
Add '-3.14r2' to each side of the equation.
5024 + -3.14r2 = 3.14r2 + -3.14r2
Combine like terms: 3.14r2 + -3.14r2 = 0.00
5024 + -3.14r2 = 0.00
Add '-5024' to each side of the equation.
5024 + -5024 + -3.14r2 = 0.00 + -5024
Combine like terms: 5024 + -5024 = 0
0 + -3.14r2 = 0.00 + -5024
-3.14r2 = 0.00 + -5024
Combine like terms: 0.00 + -5024 = -5024
-3.14r2 = -5024
Divide each side by '-3.14'.
r2 = 1600
Simplifying
r2 = 1600
Take the square root of each side:
r = {-40, 40}
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