document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=339836>Question 339836</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars are approaching an intersection. One is 3 miles South of the intersection and is moving at a constant speed of 40 mph. At the same time, the other car is 4 miles East of the intersection and is moving at a constant speed of 50 mph. Express the distance d between the cars as a function of time t. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #243492 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=243492\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> one car 3 miles 40 mph  ----- t1 = 3/40 hours<BR>\n" );
document.write( "second car 4 miles 50 mph----t2= 4/50 hours<BR>\n" );
document.write( "...<BR>\n" );
document.write( "they form a right angle with intersection.<BR>\n" );
document.write( "the distance between the cars = hypotenuse.<BR>\n" );
document.write( "..<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%5E2+=+%283%2F40%29%5E2+%2B+%284%2F50%29%5E2 ALIGN=MIDDLE  ALT=\"d%5E2+=+%283%2F40%29%5E2+%2B+%284%2F50%29%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Take square root of both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d+=++sqrt%28%28t1%29%5E2%2B%28t2%29%5E2%29 ALIGN=MIDDLE  ALT=\"+d+=++sqrt%28%28t1%29%5E2%2B%28t2%29%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );