document.write( "Question 929371: Find the sum of all numbers in the following array. 35+40+45+...+3000 \n" ); document.write( "
Algebra.Com's Answer #564231 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! Arithmetic: d = 5 \n" ); document.write( "an = 35 + (n-1)5 \n" ); document.write( "an = 5n + 30 = 3000 \n" ); document.write( "n = 594 \n" ); document.write( "...... \n" ); document.write( "S(594) = (594/2)(35+3000) = 901,395 \n" ); document.write( " |