document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=425762>Question 425762</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a)How do I find the arithmetic mean of:\r<BR>\n" );
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document.write( "i) 9 and 21 \r<BR>\n" );
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document.write( "ii) 6+sqrt(3) and 6-sqrt(3)\r<BR>\n" );
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document.write( "b) Insert 5 arithmetic means between 11 and 71.\r<BR>\n" );
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document.write( "Thank you very much for your assistance! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #296343 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=296343\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a)How do I find the arithmetic mean of: <BR>\n" );
document.write( "i) 9 and 21<BR>\n" );
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document.write( "Ans: (9+21)/2 = 10<BR>\n" );
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document.write( "ii) 6+sqrt(3) and 6-sqrt(3)<BR>\n" );
document.write( "Ans: Add and divide by 2 to get 6<BR>\n" );
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document.write( "b) Insert 5 arithmetic means between 11 and 71.<BR>\n" );
document.write( "a(1) = 5<BR>\n" );
document.write( "a(6) = a(1) + 6d = 71<BR>\n" );
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document.write( "Solve for \"d\":<BR>\n" );
document.write( "5 + 6d = 71<BR>\n" );
document.write( "6d = 66<BR>\n" );
document.write( "d = 11<BR>\n" );
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document.write( "Sequence: 5,16,27,38,49,60,71<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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