document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=55354>Question 55354</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I can not get this question on my homework, I can, but I can not get it in steps!  Question:<BR>\n" );
document.write( "                    2(x+4)=16<BR>\n" );
document.write( "39).The number of time a cricket chirps in a minute is a function of the temperature in the formula: n=4t-160, where n=number of times a cricket chirps a minute and t=temperature in farenheit.<BR>\n" );
document.write( "You can use the temperature t=(1/4)n+40 to estimate the temperature based on the number of chirps per minute.<BR>\n" );
document.write( "a) At 60 degrees, how many times does a cricket chirp a minute.<BR>\n" );
document.write( "b) What is the temperature when the number of times a cricket chirps per minute is 150.<BR>\n" );
document.write( "c) At what temperature does a cricket stop chirping?<BR>\n" );
document.write( "d) Graph the equation of the line with the number of chirps as the x-axis, what does the y-intercept represent?\r<BR>\n" );
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document.write( "                           Thank you for your help!<BR>\n" );
document.write( "                                          Alex </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #37556 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=37556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2(x+4)=16  First simplify the left side of the equation.<BR>\n" );
document.write( "2(x)+2(4)=16  Distribute the 2.<BR>\n" );
document.write( "2x+8=16  Because 8 doesn't have an x, subtract it from both sides.<BR>\n" );
document.write( "2x+8-8=16-8<BR>\n" );
document.write( "2x=8  because 2 is being multiplied by x, divide both sides by 2<BR>\n" );
document.write( "2x/2=8/2<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Check by substituting 4 in for x and seeing if both sides equal.<BR>\n" );
document.write( "2(4+4)=16<BR>\n" );
document.write( "2(8)=16<BR>\n" );
document.write( "16=16 We're right!!!<BR>\n" );
document.write( ":<BR>\n" );
document.write( "39).The number of time a cricket chirps in a minute is a function of the temperature in the formula: n=4t-160, where n=number of times a cricket chirps a minute and t=temperature in farenheit.<BR>\n" );
document.write( "You can use the temperature t=(1/4)n+40 to estimate the temperature based on the number of chirps per minute.<BR>\n" );
document.write( ":<BR>\n" );
document.write( "a) At 60 degrees, how many times does a cricket chirp a minute.<BR>\n" );
document.write( "n=4(60)-160<BR>\n" );
document.write( "n=240-160=80 times per minute<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b) What is the temperature when the number of times a cricket chirps per minute is 150.<BR>\n" );
document.write( "t=(1/4)(150)+40=77.5 degrees<BR>\n" );
document.write( ":<BR>\n" );
document.write( "c) At what temperature does a cricket stop chirping?<BR>\n" );
document.write( "t=(1/4)(0)+40=40 degrees<BR>\n" );
document.write( ":<BR>\n" );
document.write( "d) Graph the equation of the line with the number of chirps as the x-axis, what does the y-intercept represent?<BR>\n" );
document.write( "The temperature at which the cricket stops chirping.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-5%2C30%2C-5%2C60%2C%281%2F4%29x%2B40%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-5%2C30%2C-5%2C60%2C%281%2F4%29x%2B40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Your Welcome.<BR>\n" );
document.write( "Happy Calculating!!!  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );