document.write( "Question 62747: Solve for x. round your answer to the nearest hundredth. 2.7^x-25=12 \n" ); document.write( "
Algebra.Com's Answer #43577 by funmath(2933) ![]() You can put this solution on YOUR website! Solve for x. round your answer to the nearest hundredth. \n" ); document.write( "2.7^(x-25)=12 \n" ); document.write( "ln(2.7^(x-25))=ln(12) \n" ); document.write( "(x-25)ln(2.7)=ln(12) \n" ); document.write( "xln(2.7)-25ln(2.7)=ln(12) \n" ); document.write( "xln(2.7)-25ln(2.7)+25ln(2.7)=ln(12)+25ln(2.7) \n" ); document.write( "xln(2.7)=ln(12)+25ln(2.7) \n" ); document.write( "xln(2.7)/ln(2.7)=(ln(12)+25ln(2.7))/ln(2.7) \n" ); document.write( "x=(ln(12)+25ln(2.7))/ln(2.7) \n" ); document.write( "x=27.50178929 \n" ); document.write( " \n" ); document.write( "I always check these on my calculator: \n" ); document.write( "2.7^(27.50178929-25)=12 \n" ); document.write( "2.7^2.501789292=12 \n" ); document.write( "12=12 We're right!!! \n" ); document.write( "Happy Calculating!!! \n" ); document.write( " |