document.write( "Question 192220: can you please show me how to do this problem? \"%28q%29%2F%28m%29=%282V%29%2F%28b%5E2%29%28r%5E2%29\" solve for B. \n" ); document.write( "
Algebra.Com's Answer #144284 by Mathtut(3670)\"\" \"About 
You can put this solution on YOUR website!
\"qb%5E2r%5E2=2Vm\" after cross multiplication
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\n" ); document.write( "\"b%5E2=%282Vm%2Fqr%5E2%29\"
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\n" ); document.write( "\"b=sqrt%28%282Vm%2Fqr%5E2%29%29\"
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