document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1121083>Question 1121083</A>: <I><SPAN STYLE=\"word-break: break-all;\"> hello i\m chyrelle linn can you please help me with these question?\r<BR>\n" );
document.write( "\n" );
document.write( "during a televised football games, a parabolic microphone is used to capture sounds. The shield of the microphone is a paraboloid with a diameter of 18.75 inches and a depth of 3.66 inches. To pick up the sounds, a microphone is placed at the focus if the paraboloid. How far (to the nearest tenth of an inch) from the vertex of the paraboloid should the microphone be placed?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #736836 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=736836\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=ax%5E2 ALIGN=MIDDLE  ALT=\"y=ax%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2Fa%29y=x%5E2 ALIGN=MIDDLE  ALT=\"%281%2Fa%29y=x%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Imagine the parabola cross section with vertex at (0,0) and concave up.  A point is  ( 9.375, 3.66 ).\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4d=1%2Fa ALIGN=MIDDLE  ALT=\"4d=1%2Fa\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2Fa%29%2A3.66=9.375%5E2 ALIGN=MIDDLE  ALT=\"%281%2Fa%29%2A3.66=9.375%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fa=%289.375%5E2%29%2F3.66 ALIGN=MIDDLE  ALT=\"1%2Fa=%289.375%5E2%29%2F3.66\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fa=24.01383197=4d ALIGN=MIDDLE  ALT=\"1%2Fa=24.01383197=4d\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d=6.0035 ALIGN=MIDDLE  ALT=\"d=6.0035\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "-\r<BR>\n" );
document.write( "\n" );
document.write( "Place the microphone at focus 6.0 inches above the vertex. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );