# Sum of members

What is the sum of the first two members of the aritmetic progression if d = -4.3 and a3 = 7.5?

**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### Following knowledge from mathematics are needed to solve this word math problem:

## Next similar math problems:

- Difference AP

Calculate the difference of arithmetic progression if the sum of its first 19 members Sn = 8075 and the first member is a_{1}= 20 - Sequence 2

Write the first 5 members of an arithmetic sequence a_{11}=-14, d=-1 - Sequence

Write the first 7 members of an arithmetic sequence: a_{1}=-3, d=6. - Sequence

Write the first 6 members of these sequence: a_{1}= 5 a_{2}= 7 a_{n+2}= a_{n+1}+2 a_{n} - Sequence 3

Write the first 5 members of an arithmetic sequence: a_{4}=-35, a_{11}=-105. - AP - simple

Find the first ten members of the sequence if a11 = 132, d = 3. - Sequence

Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702. - AS sequence

In an arithmetic sequence is given the difference d = -3 and a_{71}= 455. a) Determine the value of a_{62}b) Determine the sum of 71 members. - Theorem prove

We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started? - Consecutive numbers

Sum of ten consecutive numbers is 105. Determine these numbers (write first and last). - Saving per cents

The first day I save 1 cent and every next day cent more. How many I saved per year (365 days)? - Apples in baskets

Determine how many apples are in baskets when in the first basket are 4 apples, and in any other is 29 apples more than the previous, and we have eight baskets. - AP - simple

Determine the first nine elements of sequence if a10 = -1 and d = 4 - Seats

Seats in the sport hall are organized so that each subsequent row has five more seats. First has 10 seats. How many seats are: a) in the eighth row b) in the eighteenth row - Nineteenth member

Find the nineteenth member of the arithmetic sequence: a1=33 d=5 find a19 - Series

Your task is express the sum of the following arithmetic series for n = 14: S(n) = 11 + 13 + 15 + 17 + ... + 2n+9 + 2n+11 - Vectors

For vector w is true: w = 2u-5v. Determine coordinates of vector w if u=(3, -1), v=(12, -10)