document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1178123>Question 1178123</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 10 identified points on a number line. How many possible rays can <BR>\n" );
document.write( "be drawn using the given points?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #807284 by </B><A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><B>amarjeeth123(569)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amarjeeth123><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=807284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We need two points to form a ray.<BR>\n" );
document.write( "This is a combination question.<BR>\n" );
document.write( "Number of possible rays=C(10,2)=(10!)/(8!)(2!)=45<BR>\n" );
document.write( "Answer=45 rays. </SPAN>\n" );
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