document.write( "Question 817579: What is the common difference in the arithmetic sequence 3.7,4.4,4.9,5.5,6.1,... \n" ); document.write( "
Algebra.Com's Answer #492117 by Edwin McCravy(20059)\"\" \"About 
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document.write( "Apparently the second term is mistyped as 4.4.  For that to be \r\n" );
document.write( "an arithmetic sequence the second term would have to be 4.3.\r\n" );
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document.write( "3.7, 4.3, 4.9, 5.5, 6.1, ...\r\n" );
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document.write( "Then \r\n" );
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document.write( "2nd term - 1st term = 4.3-3.7 = 0.6\r\n" );
document.write( "3rd term - 2nd term = 4.9-4.3 = 0.6\r\n" );
document.write( "4th term - 3rd term = 5.5-4.9 = 0.6\r\n" );
document.write( "5th term - 4th term = 6.1-5.5 = 0.6\r\n" );
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document.write( "So the common difference is 0.6\r\n" );
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document.write( "Edwin
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