document.write( "Question 551097: Find three arithmetic means between -2 and 12. \n" ); document.write( "
Algebra.Com's Answer #359393 by Edwin McCravy(20055)\"\" \"About 
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document.write( "-2, ____, ____, ____, 12\r\n" );
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document.write( "If the common difference is d, then to get the next term, \r\n" );
document.write( "we just add d each time.  So to fill in the blanks:\r\n" );
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document.write( "-2, -2+d, -2+2d, -2+3d, -2+4d=12\r\n" );
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document.write( "Solve the last equation\r\n" );
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document.write( "-2+4d = 12\r\n" );
document.write( "   4d = 14\r\n" );
document.write( "    d = \"14%2F4\"\r\n" );
document.write( "    d = \"7%2F2\"\r\n" );
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document.write( " -2, -2+\"7%2F2\", -2+2\"%287%2F2%29\", -2+3\"%287%2F2%29\", 12\r\n" );
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document.write( " -2, \"-4%2F2\"+\"7%2F2\", \"-4%2F2\"+\"14%2F2\", -\"-4%2F2\"+\"21%2F2\", 12\r\n" );
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document.write( " -2, \"3%2F2\", \"10%2F2\", \"17%2F2\", 12\r\n" );
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document.write( " -2, \"3%2F2\", 5, \"17%2F2\", 12\r\n" );
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document.write( "So the three arithmetic means between them are \"3%2F2\", 5, and \"17%2F2\" \r\n" );
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document.write( "Edwin
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