document.write( "Question 1126513: Find the four arithmetic means between 12 and -13.
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Algebra.Com's Answer #742847 by ikleyn(52788) $\"\"$ $\"About$

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document.write( "Four arithmetic means between 12 and -13 make 5 gaps (intervals).\r\n" );
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document.write( "Each interval is   =  = 5 units long in the number line.\r\n" );
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document.write( "This value of 5 is the common difference of the arithmetic progression.\r\n" );
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document.write( "So the values are  -13; -13 + 5 = -8;  -8 + 5 = -3;  -3 + 5 = 2;  2 + 5 = 7  and finally  7 + 5 = 12.\r\n" );
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document.write( "Answer.  The four arithmetic means between 12 and -13  are  -8, -3, 2, and 7.\r\n" );
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