document.write( "Question 839000: Find the sum of the first twenty terms of the sequence 1/2,1/4,0,... -17/4 where -17/4 is the 20th term. \n" ); document.write( "
Algebra.Com's Answer #505469 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi,
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document.write( " sequence 1/2,1/4,0,... -17/4 where -17/4 is the 20th term
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document.write( "(Arithmetic Sequence d = -1/4)
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document.write( "\"S%5Bn%5D=%28n%2F2%29%282%2Aa%5B1%5D%2B+%28n-1%29d%29\"
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document.write( "0r  \"S%5Bn%5D=%28n%28a%5B1%5D%2Ba%5Bn%5D%29%29%2F2\"
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document.write( "\"S%5B20%5D=%2820%281%2F2+%2B+-17%2F4%29%29%2F2+=+highlight%28-37.5%29++\"
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document.write( "Wish You the Best in your Studies. \n" );
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