document.write( "Question 634459: Find the arithmetic mean an of an-1 = 3.9, an+1 = 7.1 \n" ); document.write( "
Algebra.Com's Answer #399613 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! ((an-1) + (an+1))/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "(3.9+7.1)/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5.5 \n" ); document.write( " |