Thursday

July 31, 2014

July 31, 2014

Posted by **payal** on Tuesday, October 13, 2009 at 7:08am.

- arithmetic -
**Reiny**, Tuesday, October 13, 2009 at 8:30amAssuming you are working with arithmetic sequences,

term(4) = a+3d = 20

term(7) = a+6d = 32

subtract the two equations:

3d = 12

d = 4

sub back into either top equation to find a

term(n) = a + (n-1)d

**Related Questions**

arithmetic - The 8th term of an A P is 5times the third term while the 7th term ...

math 213 #18 - A student claims that every prime greater than 3 is a term in the...

math - A student claims that every prime greater than 3 is a term in the ...

math - find the rule for the Nth term of the arithmetic sequence. 11/2, 25/6, 17...

Math - Arithmetic Sequences - The sum of the 4th and the 14th term of an ...

Core mathematics - The 4th term of an A.P.is 37 and the 6th term is 12 more than...

Math - The nth term of an A.P. Is 3 times the 5th term.(a)find the relationship ...

arithmetic - Write and solve an expression to find the nth term of each ...

algebra - I'm pretty sure these are right but I just want to check. 1)Find the ...

algebra - I'm pretty sure these are right but I just want to check. 1)Find the ...