document.write( "Question 690880: Find the sum of the first 196 terms of 2,7,12,17,.. I cant seem to figure this problem out \n" ); document.write( "
Algebra.Com's Answer #426440 by MathTherapy(10552)\"\" \"About 
You can put this solution on YOUR website!
Find the sum of the first 196 terms of 2,7,12,17,.. I cant seem to figure this problem out \r
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\n" ); document.write( "\n" ); document.write( "This is an arithmetic sequence, or A.P., and the formula for sum of an A.P.: \"S%5Bn%5D+=+%28n%2F2%29%282a%5B1%5D+%2B+%28n+-+1%29d%29\", with \"S%5Bn%5D+=+S%5B196%5D\", 1st term, or \"a1%5D\" = 2; n, or amount of terms to be summed = 196, and d, or common difference = 5
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\n" ); document.write( "\n" ); document.write( "Therefore, \"S%5Bn%5D+=+%28n%2F2%29%282a%5B1%5D+%2B+%28n+-+1%29d%29\" becomes: \"S%5B196%5D+=+%28196%2F2%29%282%282%29+%2B+%28196+-+1%295%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"S%5B196%5D+=+98%284+%2B+%28195%295%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"S%5B196%5D+=+98%284+%2B+975%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"S%5B196%5D+=+98%28979%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"S%5B196%5D\", or sum of the 1st 196 terms in the series = \"highlight_green%2895942%29\"\r
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\n" ); document.write( "\n" ); document.write( "You can do the check!!\r
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\n" ); document.write( "\n" ); document.write( "Send comments and “thank-yous” to “D” at MathMadEzy@aol.com
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