document.write( "Question 819225: The 20th term of an arithmetic sequence is 96, and the common difference is 5. Find the nth term \n" ); document.write( "
Algebra.Com's Answer #492983 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Tn = a+(n-1)d\r \n" ); document.write( "\n" ); document.write( "T20 = a+19d\r \n" ); document.write( "\n" ); document.write( "substitute d=5\r \n" ); document.write( "\n" ); document.write( "96=a+19*5\r \n" ); document.write( "\n" ); document.write( "96=a+95\r \n" ); document.write( "\n" ); document.write( "a=1 \n" ); document.write( "substitute a & d\r \n" ); document.write( "\n" ); document.write( "Tn = 1+(n-1)5\r \n" ); document.write( "\n" ); document.write( "Tn =1+5n-5\r \n" ); document.write( "\n" ); document.write( "Tn = 5n-4 \n" ); document.write( " |