document.write( "Question 1176751: Translate the following mathematical statements into mathematical equations and solve the unknown.\r
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document.write( "1. The current l varies directly as the electromotive force E and inversely as the resistance R. If a current l of 30 amperes flows through a system with 16 ohms resistance R and electromotive force E of 120 volts, find the current l when the system with 20 ohms resistance R and electromotive force E of 200- volt.\r
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document.write( "Solution 1
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document.write( "Step 1: Translate mathematical statement into mathematical equation
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document.write( "Step 2: Find the constant of variation.
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document.write( "Step 3: Give the equation of the variation.
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document.write( "Step 4: Find the value of unknown variable. \n" );
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Algebra.Com's Answer #804652 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! I=k*E/R \n" ); document.write( "30=k*120/16=7.5k \n" ); document.write( "k=4 \n" ); document.write( "- \n" ); document.write( "use that in the next part. \n" ); document.write( "note that 2/3 again as much voltage and 20% more resistance, expect more current. \n" ); document.write( "I=4*200/20 \n" ); document.write( "=40 amperes \n" ); document.write( " |