Sum of members
What is the sum of the first two members of the aritmetic progression if d = -4.3 and a3 = 7.5?
Leave us a comment of example and its solution (i.e. if it is still somewhat unclear...):
Showing 0 comments:
Be the first to comment!
To solve this example are needed these knowledge from mathematics:
Next similar examples:
- Sequence 3
Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
- Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
- AP - simple
Find the first ten members of the sequence if a11 = 132, d = 3.
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 a71 = 455. a) Determine the value of a62 b) Determine the sum of 71 members.
- Theorem prove
We want to prove the sentense: 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).
- 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.
- Saving per cents
The first day I save 1 cent and every next day cent more. How many I saved per year (365 days)?
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
- AP - simple
Determine the first nine elements of sequence if a10 = -1 and d = 4
- 6 terms
Find the first six terms of the sequence. a1 = 7, an = an-1 + 6
- Nineteenth member
Find the nineteenth member of the arithmetic sequence: a1=33 d=5 find a19
Your task is express the sum of the following arithmetic series for n = 14: S(n) = 11 + 13 + 15 + 17 + ... + 2n+9 + 2n+11
A certain species of tree grows an average of 0.5 cm per week. Write an equation for the sequence that represents the weekly height of this tree in centimeters if the measurements begin when the tree is 200 centimeters tall.