document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=56027>Question 56027</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the solution to 80.81=9.53e^.5k + 72.9?<BR>\n" );
document.write( "(Solving for k, e is the number e) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37986 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=37986\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What is the solution to 80.81=9.53e^.5k + 72.9?<BR>\n" );
document.write( "(Solving for k, e is the number e)<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Subtract 72.9 from both sides to get:<BR>\n" );
document.write( "7.91 = 9.53e^(0.5k)<BR>\n" );
document.write( "Divide both sides by 9.53 to get:<BR>\n" );
document.write( "0.83 = e^0.5k<BR>\n" );
document.write( "Take the natural log of both sides to get:<BR>\n" );
document.write( "0.5k=-0.186329...<BR>\n" );
document.write( "k=-0.372659...<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );