Posted by Lola on Tuesday, March 1, 2011 at 7:29pm.
Find the rule for 9,16.8, 24.6, 32.4

math  Ms. Sue, Tuesday, March 1, 2011 at 7:31pm
16.8  9 = 7.8

math  Lola, Tuesday, March 1, 2011 at 7:32pm
i left out the part that you need to put it in nth term

math  Anonymous, Tuesday, March 1, 2011 at 11:45pm
a(n)=a(n1)+7.8
OR
a(n)=a1+(n1)*d
a(n)=9+(n1)*7.8
In google type:
arithmetic progression
When you see list of results click on some site.
wikipedia is good choice
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