document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=729928>Question 729928</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If Height= -16t^2+75t+4.how long would it take before the ball hits the ground? Round 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 #446464 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=446464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  If Height= -16t^2+75t+4.how long would it take before the ball hits the ground? Round to the nearest hundredth.<BR>\n" );
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document.write( "Height is zero when the ball hits the ground.<BR>\n" );
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document.write( "Solve -16t^2 + 75t + 4 = 0<BR>\n" );
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document.write( "t = 4.74 seconds<BR>\n" );
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document.write( "t = [-75 +- sqrt(75^2-4*-16*4)]/(-32)<BR>\n" );
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document.write( "t = [ -75 +- sqrt(5881)]/(-32)<BR>\n" );
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document.write( "t = [-75+- 76.688]/(-32)<BR>\n" );
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document.write( "Positive solution:<BR>\n" );
document.write( "t = [-75-76.6881]/(-32)<BR>\n" );
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document.write( "t = 4.74<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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