document.write( "Question 852085: the fourth term in an arithmetic sequence is 18 and the 9th term is 43. write the sequence. \n" ); document.write( "
Algebra.Com's Answer #513221 by richwmiller(17219)\"\" \"About 
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An = a1 + (n - 1)d
\n" ); document.write( "18 = a + 3d,
\n" ); document.write( "43 = a + 8d
\n" ); document.write( "a = 3, d = 5
\n" ); document.write( "3,8,13,18,23,28,33,38,43
\n" ); document.write( "An = 3 + 5(n - 1)
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