document.write( "Question 251681: Find the sum of all the integers divisible by 7 between 32 and 5000.
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document.write( "a) 1,514,285 b) 1,515,285 c) 1,615,185 d) 1,786,715 e) none of these \n" );
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Algebra.Com's Answer #183352 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Find the sum of all the integers divisible by 7 between 32 and 5000. \n" ); document.write( "--- \n" ); document.write( "It would be an arithmetic series with: \n" ); document.write( "a(1) = 35 = 5*7 \n" ); document.write( "a(n) = 4998 = 714*7 \n" ); document.write( "So n = (714-5)+1 = 710 \n" ); document.write( "---- \n" ); document.write( "Formula: S(n) = (n/2)(a(1)+a(n)) \n" ); document.write( "S(708) = (710/2)(35 + 4998) = 1,786,715 \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( "\n" ); document.write( "a) 1,514,285 b) 1,515,285 c) 1,615,185 d) 1,786,715 e) none of these \n" ); document.write( "----------- \n" ); document.write( " |