document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=214478>Question 214478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car is traveling on a road that is perpendicular to a railroad. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #162002 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=162002\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have a right triangle with one side=30 & the hypotenuse=50.<BR>\n" );
document.write( "30^2+x^2=50^2<BR>\n" );
document.write( "900+x^2=2500<BR>\n" );
document.write( "x^2=2500-900<BR>\n" );
document.write( "x^2=1600<BR>\n" );
document.write( "x=sqrt1600<BR>\n" );
document.write( "x=40 m. is the distance of the train from the crossing.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "30^2+40^2=5062<BR>\n" );
document.write( "900+1600=2500<BR>\n" );
document.write( "2500=2500 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );