document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1173136>Question 1173136</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help\r<BR>\n" );
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document.write( "A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21 ft/s. The ball's height h (in feet) after t seconds is given by the following.\r<BR>\n" );
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document.write( "h=5+21t-16t^2\r<BR>\n" );
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document.write( "Find all values of  for which the ball's height is  feet.<BR>\n" );
document.write( "Round your answer(s) to the nearest hundredth. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #798315 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=798315\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "please help\r<BR>\n" );
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document.write( "A ball is thrown from an initial height of 5 feet with an initial upward velocity of 21 ft/s. <BR>\n" );
document.write( "The ball's height h (in feet) after t seconds is given by the following.\r<BR>\n" );
document.write( "\n" );
document.write( "h=5+21t-16t^2\r<BR>\n" );
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document.write( "Find all values of  for which the ball's height is  feet.<BR>\n" );
document.write( "Round your answer(s) to the nearest hundredth.<BR>\n" );
document.write( "~~~~~~~~~~~~~~~~~~\r<BR>\n" );
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document.write( "Read your post attentively, &nbsp;as it appears at the forum.\r<BR>\n" );
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document.write( "Find your error / (errors) and fix it / (them).\r<BR>\n" );
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document.write( "Then re-post to the forum.\r<BR>\n" );
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document.write( "PLEASE &nbsp;do not post it to me personally.\r<BR>\n" );
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document.write( "Do not forget to post your &nbsp;THANKS &nbsp;to me for pointing your error/errors.\r<BR>\n" );
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document.write( "Keep in mind that, &nbsp;when you copy/paste from the screen, &nbsp;your input system works &nbsp;INCORRECTLY.\r<BR>\n" );
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document.write( "Print the problem in full using your keyboard.\r<BR>\n" );
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document.write( "Do not make such errors in the future &nbsp;(!)\r<BR>\n" );
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document.write( " </SPAN>\n" );
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