document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=828291>Question 828291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> At 1 pm, ship a leaves port heading due west at x miles per hour. two hours later ship B is 100 miles due south of the same port and heading due north at y miles per hour. at 5 pm how far apart are the ship.<BR>\n" );
document.write( "Actually i could not understand the meaning of this problem...please elaborate it.. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #499216 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=499216\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ---<BR>\n" );
document.write( "the problem tries to confuse you, but it's basically describing a right triangle, and asking you to find the hypotenuse, given the two legs.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "find the position of both ships at 5 pm so we know the length of legs a and b:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "speed and distance formulas:<BR>\n" );
document.write( "s = d/t<BR>\n" );
document.write( "d = t*s<BR>\n" );
document.write( "---<BR>\n" );
document.write( "ship1 at 5 pm:<BR>\n" );
document.write( "time = 5 - 1 = 4 hours<BR>\n" );
document.write( "speed x m/hr<BR>\n" );
document.write( "position = 4x west of harbor<BR>\n" );
document.write( "a = 4x<BR>\n" );
document.write( "---<BR>\n" );
document.write( "ship2 at 5 pm:<BR>\n" );
document.write( "time = 5 - 3 = 2 hours<BR>\n" );
document.write( "speed y m/hr<BR>\n" );
document.write( "position = (100-2y) south of harbor<BR>\n" );
document.write( "b = (100-2y)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "the positions of the ships are perpendicular relative to the harbor, so the ship positions form the legs of the right triangle, and the harbor is the 90 degree vertex.<BR>\n" );
document.write( "---<BR>\n" );
document.write( "hyp = sqrt( aa + bb )<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "hyp = sqrt( 16xx + (100-2y)(100-2y) )<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );