Determine 3751
Determine the sum of the second and fifth AP members if a1 = -4.12, d = -0.7
Correct answer:
![](/img/51/postupnost1.gif)
You need to know the following knowledge to solve this word math problem:
Grade of the word problem:
Related math problems and questions:
- Fifth member
Determine the fifth member of the arithmetic progression if the sum of the second and fifth members equals 73 and the difference d = 7.
- Determine 3814
Determine the third, fourth, and fifth GP members if a1 = -0.5 with q = -4.
- AP - consecutive members
In the arithmetic sequence, a1 = 4.8, d = 0.4. How many consecutive members, starting with the first, need to be added so that the sum is greater than 170?
- Difference AP
Calculate the difference of arithmetic progression if the sum of its first 19 members Sn = 8075 and the first member is a1 = 20
- The sum 39
The sum of the first six terms of the arithmetic sequence is 72, and the second term is seven times the fifth term. Find the first term and the AP difference.
- Determine 3810
Determine the ratio of the first and second GP members if q = -0.3 and a3 = 5.4.
- Sequences AP + GP
The three numbers that make up the arithmetic sequence have the sum of 30. If we subtract from the first 5, the second 4, and keep the third, we get the geometric series. Find AP and GP members.