document.write( "Question 601555: Express irrational solutions in exact form as a decimal rounded to three decimal places
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document.write( "log2x+log6x=3 ((( log base 2 of x plus log base 6 of x=3))) \n" );
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Algebra.Com's Answer #379890 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Express irrational solutions in exact form as a decimal rounded to three decimal places \n" ); document.write( "log2x+log6x=3 \n" ); document.write( "convert to log base 2 \n" ); document.write( "log2(x)+log2(x)/log2(6)=3 \n" ); document.write( "log2(6)=log(6)/log(2)=2.585 \n" ); document.write( "log2(x)+log2(x)/2.585=3 \n" ); document.write( "LCD=2.585 \n" ); document.write( "2.585log2(x)+log2(x)=3*2.585≈7.755 \n" ); document.write( "place under single log \n" ); document.write( "log2(x^2.585*x)=7.755 \n" ); document.write( "convert to exponential form \n" ); document.write( "2^7.755=x^3.585 \n" ); document.write( "216.017=x^3.585 \n" ); document.write( "raise both side by 1/3.585 power \n" ); document.write( "x=4.479 \n" ); document.write( " |