document.write( "Question 851718: the sum of the second and the fifth terms of an arithmetic sequence is 47,while the sum of the first eight terms is 116.Find the first two terms.thank you \n" ); document.write( "
Algebra.Com's Answer #513028 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 2a + 5d=47, \n" ); document.write( "116 = ½(2a + d(7))8\r \n" ); document.write( "\n" ); document.write( "a = 46, d = -9 \n" ); document.write( "first two terms 46 and 37\r \n" ); document.write( "\n" ); document.write( "2a + 5d=47, \n" ); document.write( "116 = 4(2a + 7d) \n" ); document.write( "116=8a+28d \n" ); document.write( "2a + 5d=47\r \n" ); document.write( "\n" ); document.write( "S = ½(92 -63)8 \n" ); document.write( "S=4*(29) \n" ); document.write( "46,37,28,19, 10, 1, -8, 17 \n" ); document.write( "add to 116 \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |