document.write( "Question 903581: how do I find the sum of consecutive integers from 17 to 97? what is the formula for it?
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document.write( "how to find the sum of consecutive odd integers from 17 to 97? \n" );
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Algebra.Com's Answer #548612 by richwmiller(17219) You can put this solution on YOUR website! an = a + (n - 1)d \n" ); document.write( "solve for n \n" ); document.write( "97 = 17 + (n - 1)1 \n" ); document.write( "n=81 \n" ); document.write( "97 = 17 + (n - 1)21 \n" ); document.write( "n=41 odd \n" ); document.write( "plug in n below \n" ); document.write( "S = ½(a + an)n \n" ); document.write( "S = ½(17 + 97)81=4617\r \n" ); document.write( "\n" ); document.write( "S = ½(17 + 97)41=2331 \n" ); document.write( " \n" ); document.write( " |