Calculate the difference of arithmetic progression if the sum of its first 19 members Sn = 8075 and the first member is a1 = 20
Thank you for submitting an example text correction or rephasing. We will review the example in a short time and work on the publish it.
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!
You need to know the following knowledge to solve this word math problem:
Next similar math problems:
- Difference AP 4
Calculate the difference of the AP if a1 = 0.5, a2 + a3 = -1.1
- 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.
- De Moivre's formula
There are two distinct complex numbers z such that z3 is equal to 1 and z is not equal 1. Calculate the sum of these two numbers.
- AP - basics
Determine first member and differentiate of the the following sequence: a3-a5=24 a4-2a5=61
- Sequence 3
Write the first 5 members of an arithmetic sequence: a4=-35, a11=-105.
- Sum of members
What is the sum of the first two members of the aritmetic progression if d = -4.3 and a3 = 7.5?
- Sequence 2
Write the first 5 members of an arithmetic sequence a11=-14, d=-1
Write the first 7 members of an arithmetic sequence: a1=-3, d=6.
- AS - sequence
What are the first ten members of the sequence if a11=22, d=2.
Write the first 6 members of these sequence: a1 = 5 a2 = 7 an+2 = an+1 +2 an
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
Between numbers 1 and 53 insert n members of the arithmetic sequence that its sum is 702.
- Third member
Determine the third member of the AP if a4=93, d=7.5.
Your task is express the sum of the following arithmetic series for n = 14: S(n) = 11 + 13 + 15 + 17 + ... + 2n+9 + 2n+11
- 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?
- GP members
The geometric sequence has 10 members. The last two members are 2 and -1. Which member is -1/16?
- Parametric equation
Find the parametric equation of a line with y-intercept (0,-4) and a slope of -2.