document.write( "Question 1000794: Find the sum of the first 70 terms of the series: 17+23+29+35+... \n" ); document.write( "
Algebra.Com's Answer #618119 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Find the sum of the first 70 terms of the series: 17+23+29+35+...
\n" ); document.write( "---
\n" ); document.write( "Arithmetic Series with a(1) = 17 and d = 6
\n" ); document.write( "------
\n" ); document.write( "a(70) = 17 + 69*6 = 431
\n" ); document.write( "S(70) = (70/2)(17+431) = 35(448) = 15680
\n" ); document.write( "----------------
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "--------------
\n" ); document.write( "
\n" );