document.write( "Question 165240: I need to solve the equation for r:
\n" ); document.write( "w=Cr^-2
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Algebra.Com's Answer #121795 by vleith(2983)\"\" \"About 
You can put this solution on YOUR website!
\"w=Cr%5E%28-2%29\"
\n" ); document.write( "\"w+=+C%2Fr%5E2\"
\n" ); document.write( "\"r%5E2+=+C%2Fw\"
\n" ); document.write( "\"r+=+sqrt%28C%2Fw%29\"
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