document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=36655>Question 36655</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0028241789/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Please help!!!\r<BR>\n" );
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document.write( "Thank you!!\r<BR>\n" );
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document.write( "Janice tosses a softball directly upward with an intinal velocity of 100 feet per second. Use the formula h=vt-16t^2 to answer each question.\r<BR>\n" );
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document.write( "a.when will the ball reach the height of 84 feet.<BR>\n" );
document.write( "b. when will it hit the ground. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24177 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24177\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Janice tosses a softball directly upward with an intinal velocity of 100 feet per second. Use the formula h=vt-16t^2 to answer each question.<BR>\n" );
document.write( "a.when will the ball reach the height of 84 feet.<BR>\n" );
document.write( "H=84=100*T-16T^2....DIVIDING WITH 4 <BR>\n" );
document.write( "4T^2-25T+21=0<BR>\n" );
document.write( "4T^2-4T-21T+21=0<BR>\n" );
document.write( "4T(T-1)-21(T-1)=0<BR>\n" );
document.write( "(4T-21)(T-1)=0<BR>\n" );
document.write( "T-1=0......THAT IS..T=1..IT REACHES 84' FROM GROUND AT T=1 ON UPWARD TRAVEL<BR>\n" );
document.write( "4T-21=0....THAT IS..T=21/4..IT REACHES 84' FROM GROUND AT T=5.25 ON DOWNWARD TRAVEL<BR>\n" );
document.write( "b. when will it hit the ground.<BR>\n" );
document.write( "0=100T-16T^2<BR>\n" );
document.write( "4T(4T-25)=0<BR>\n" );
document.write( "T=0.....THAT IS BEFORE IT IS THROWN UP<BR>\n" );
document.write( "4T-25=0...THAT IS T=25/4=6.25 WHEN IT FALLS BACK ON THE GROUND. </SPAN>\n" );
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