document.write( "Question 1177167: U Varies directly with v. U is 91 when v is 14. find U when V is 22 \n" ); document.write( "
Algebra.Com's Answer #805431 by MathLover1(20849)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "\"U\" varies directly with \"v\".\r
\n" ); document.write( "\n" ); document.write( "\"U=k%2Av\"\r
\n" ); document.write( "\n" ); document.write( "if\"+U\" is \"91\" when \"v\" is \"14\", we have\r
\n" ); document.write( "\n" ); document.write( "\"91=k%2A14\".........solve for constant \"k\"\r
\n" ); document.write( "\n" ); document.write( "\"k=91%2F14\"\r
\n" ); document.write( "\n" ); document.write( "\"k=13%2F2\"\r
\n" ); document.write( "\n" ); document.write( "so, formula is\r
\n" ); document.write( "\n" ); document.write( "\"U=%2813%2F2%29%2Av\"\r
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\n" ); document.write( "\n" ); document.write( " find \"U\" when \"v\" is \"22\"\r
\n" ); document.write( "\n" ); document.write( "\"U=%2813%2F2%29%2A22\"\r
\n" ); document.write( "\n" ); document.write( "\"U=%2813%2Fcross%282%29%29%2Across%2822%2911\"\r
\n" ); document.write( "\n" ); document.write( "\"U=13%2A11\"\r
\n" ); document.write( "\n" ); document.write( "\"U=143\"\r
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