Question Solve the equation r=215Alternative Form r=0.2˙38095˙ Evaluate 14r×9=30Multiply the terms 126r=30Divide both sides 126126r=12630Divide the numbers r=12630Solution r=215Alternative Form r=0.2˙38095˙ Show Solution Rewrite the equation 441x2+441y2=25 Evaluate 14r×9=30Evaluate 126r=30Divide both sides of the equation by 6 21r=5Square both sides of the equation (21r)2=52Evaluate 441r2=52To covert the equation to rectangular coordinates using conversion formulas,substitute x2+y2 for r2 441(x2+y2)=52Evaluate the power 441(x2+y2)=25Solution 441x2+441y2=25 Show Solution Graph
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