document.write( "Question 166748: 5(5)^-.08x=6 \n" ); document.write( "
Algebra.Com's Answer #122878 by nerdybill(7384) You can put this solution on YOUR website! Hey, this sounds familiar... \n" ); document.write( ". \n" ); document.write( "When you posted: \n" ); document.write( "5(5)^-0.08x=6 \n" ); document.write( "I assume you mean: \n" ); document.write( "5(5)^(-0.08x)=6 \n" ); document.write( "This means 5 is raised to the power of (-0.08x) \n" ); document.write( "If this is incorrect, please write back \n" ); document.write( ". \n" ); document.write( "If so, start by dividing both sides by 5: \n" ); document.write( "(5)^(-0.08x)=6/5 \n" ); document.write( "(5)^(-0.08x)=1.2 \n" ); document.write( "Take the LOG5 of both sides: \n" ); document.write( "-0.08x = LOG5(1.2) \n" ); document.write( "-0.08x = LOG(1.2)/LOG(5) \n" ); document.write( "-0.08x = .0792/.6990 \n" ); document.write( "-0.08x = .1133 \n" ); document.write( "x = -1.416 \n" ); document.write( " |