Posted by KIM on Tuesday, June 8, 2010 at 11:52pm.
The first difference of a sequence is 6, 10,14,18. The sum of the first two terms of the original sequence is 24. Find the first three term of the original sequence. the first term of the original sequence is?
- Math? needs help - SraJMcGin, Wednesday, June 9, 2010 at 2:24am
Select the name of the School Subject carefully or the right teacher will not even see your post. the Subject is NOT "college."
- college - Reiny, Wednesday, June 9, 2010 at 6:37am
let the first three terms be a, b, and c
a+b = 24 (#1)
b-a = 6 (#2)
c-b =10 (#3)
add 1 and 2
2b = 30
in 1 ---> a+15 = 24 ,
a = 9
c - 15 = 10
c = 25
Answer This Question
More Related Questions
- Math for Educators - The first difference of a sequence is 8, 12, 16, 20,... The...
- help - the first term of an original sequence is 3,6,9,12,15,... Find the first ...
- 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 ...
- Algebra - I am so lost on these problems. Write a geometric sequence that starts...
- Precalculus - The 8th term in an arithmetic sequence is 5, and the sum of the ...
- math - The first and second terms of an exponential sequence (G.P) are ...
- math30 - Sequences 1)A sequence has a first term of 24 and every other term is ...
- Math - A sequence is formed by adding together the corresponding terms of a ...
- komenco - the first, second, and fifth term of an AP are three consecutive terms...