document.write( "Question 1040935: Can you help me find the sum of this arithmetic series linked below? \r
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document.write( "arithmetic series: https://i.imgsafe.org/6deed3e79b.png\r
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document.write( "A.) 11187
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document.write( "B.) 11300
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document.write( "C.) 11074
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document.write( "D.) 11211 \n" );
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Algebra.Com's Answer #655870 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "This is the formula you need:: Arithmetic sum = n(a(1)+a(n))/2 \n" ); document.write( "Note: a(n) = a(1) + (n-1)d \n" ); document.write( "------------ \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------- \n" ); document.write( " |