Posted by **t.t** on Tuesday, March 27, 2012 at 5:21pm.

the first three terms of an arithmetic sequence are x-2;2x+6 and 4x-8 respectively..determine.....(1)x (2) the 20th term (3) the sum of the first 20 terms of the sequence

## Answer This Question

## Related Questions

- math - in an arithmetic sequence the common difference is equal to 2.the first ...
- Maths - 1..The first 2 terms of a geometric progression are the same as the ...
- Mathematics arithmetic sequence - The sum of second and sixth terms of an ...
- math - in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th ...
- Can someone help me?! - The 1st, 5th and 13th terms of an arithmetic sequence ...
- Algebra - Determine whether each sequence is arithmetic or geometric. Find the ...
- Math Help!!! - determine whether each sequence is arithmetic or geometric. find ...
- math - The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of ...
- Maths - An arithmetic and a geometric sequence have the same first terms.(2).......
- Math - The 13th termof an arithmetic sequence is 61 and the 20th term of the ...

More Related Questions