document.write( "Question 824523: the first and last term of an arithmetic progression are -30 and 10 respectively. find the arithmetic progression and it's 20th term. \n" ); document.write( "
Algebra.Com's Answer #497483 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
more information is needed - either the number of terms, or the common difference \n" ); document.write( "
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