document.write( "Question 1085722: The formula
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document.write( "E = IZ,
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document.write( " where E represents voltage, I represents current, and Z represents impedance (a measure of opposition to a sinusoidal electric current), is used in electrical engineering. Each variable is a complex number. \r
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document.write( "Use the formula to find the missing quantity for the given conditions. Then convert the given conditions to trigonometric form and check your result. (Enter your answer in the form a + bi.)
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document.write( "I = 12 + 2i
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document.write( "Z = 5 + 4i\r
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document.write( "so what E is equal to?
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document.write( "plwase help me solve this \n" );
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Algebra.Com's Answer #699783 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! E = I*Z \n" ); document.write( "E = ( I ) * ( Z ) \n" ); document.write( "E = ( 12+2i ) * ( 5+4i ) \n" ); document.write( "E = 12*( 5+4i ) + 2i*( 5+4i ) \n" ); document.write( "E = 12*(5) + 12*(4i) + 2i*(5)+ 2i*(4i) \n" ); document.write( "E = 60 + 48i + 10i + 8i^2 \n" ); document.write( "E = 60 + 48i + 10i + 8(-1) \n" ); document.write( "E = 60 + 48i + 10i - 8 \n" ); document.write( "E = (60 - 8) + (48i + 10i) \n" ); document.write( "E = (60 - 8) + (48 + 10)i \n" ); document.write( "E = 52 + 58i \n" ); document.write( " |