document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=630456>Question 630456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Okay, so I'm studying: Solving combined inequalities and they gave me these two problems: 2t+7&#8805;13 or 5t-4<6 and 2t+7&#8805;13 and 5t-4<6. I thought it was the same until I saw the answers in the back of my book and I can't understand how to do them or what the difference is I mean I know there an and in one and an or in the other but what does that have to do??. Please help and Thank you!!!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #396921 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=396921\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You need a few more words of explanation rather<BR>\n" );
document.write( "than just \"and\", \"or\"<BR>\n" );
document.write( "When they say<BR>\n" );
document.write( "(1)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+%2B+7+%3E=+13+ ALIGN=MIDDLE  ALT=\"+2t+%2B+7+%3E=+13+\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+-+4+%3C+6+ ALIGN=MIDDLE  ALT=\"+5t+-+4+%3C+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "They want solutions where one or both of these<BR>\n" );
document.write( "is true, and you only disregard values of<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" > which satisfy neither inequality.<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "(2)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+%2B+7+%3E=+13+ ALIGN=MIDDLE  ALT=\"+2t+%2B+7+%3E=+13+\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+-+4+%3C+6+ ALIGN=MIDDLE  ALT=\"+5t+-+4+%3C+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "They want only solutions that satisfy both<BR>\n" );
document.write( "of these at the same time. If one is satisfied,<BR>\n" );
document.write( "but not the other, that is not accepted.<BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "Solving (1)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+%2B+7+%3E=+13+ ALIGN=MIDDLE  ALT=\"+2t+%2B+7+%3E=+13+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2t+%3E=+6+ ALIGN=MIDDLE  ALT=\"+2t+%3E=+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%3E=+3+ ALIGN=MIDDLE  ALT=\"+t+%3E=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "also<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+-+4+%3C+6+ ALIGN=MIDDLE  ALT=\"+5t+-+4+%3C+6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5t+%3C+10+ ALIGN=MIDDLE  ALT=\"+5t+%3C+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%3C+2+ ALIGN=MIDDLE  ALT=\"+t+%3C+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If either or both is true, that is a solution, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2+%3E+t+%3E=+3+ ALIGN=MIDDLE  ALT=\"+2+%3E+t+%3E=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > answer<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Solving (2)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%3E=+3+ ALIGN=MIDDLE  ALT=\"+t+%3E=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%3C+2+ ALIGN=MIDDLE  ALT=\"+t+%3C+2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "There is no value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" > that is a solution to both<BR>\n" );
document.write( "inequalities at once, so this has no solution<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Did I get the book answers? Hope so. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );