document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=713033>Question 713033</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a pebble is dropped into a calm pond causing ripples in the form of concentric circles. the radius of the outermost circle (in feet) is given by r(t)=0.6t where t is the time in seconds after the pebble hits the water. the area of the circle (in square feet) is A(r)=(pi)r^2. What is the area of the circle after 5 seconds. What equations did you use to get your answer? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #438253 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=438253\">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=+t+=+5+ ALIGN=MIDDLE  ALT=\"+t+=+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > sec<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%28t%29+=+.6t+ ALIGN=MIDDLE  ALT=\"+r%28t%29+=+.6t+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%285%29+=+.6%2A5+ ALIGN=MIDDLE  ALT=\"+r%285%29+=+.6%2A5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+r%285%29+=+3+ ALIGN=MIDDLE  ALT=\"+r%285%29+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%28r%29+=+pi%2Ar%5E2+ ALIGN=MIDDLE  ALT=\"+A%28r%29+=+pi%2Ar%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%283%29+=+pi%2A3%5E2+ ALIGN=MIDDLE  ALT=\"+A%283%29+=+pi%2A3%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%283%29+=+pi%2A9+ ALIGN=MIDDLE  ALT=\"+A%283%29+=+pi%2A9+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+A%283%29+=+28.274+ ALIGN=MIDDLE  ALT=\"+A%283%29+=+28.274+\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft2<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );