The difference of AP
Find the difference d in an AP (arithmetic progression) whose 5th term is 18 and 39th term is 120.
Your answer:
Your answer:
Tips for related online calculators
Do you have a linear equation or system of equations and are looking for a solution? Or do you have a quadratic equation?
You need to know the following knowledge to solve this word math problem:
algebraGrade of the word problem
Related math problems and questions:
- AP Formula
Use the Arithmetic Sequence Formula to find the 120th term of this sequence: 3, 6, 9, 12, 15, 18, ... - 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.
- The common difference Find the common difference of an arithmetic progression (AP), whose 1st term is 5 and the sum of its 1st 4 terms is half the sum of the next four terms.
- Negative term Which term of the AP 24,21,18,15,.....is the first negative term?
- The AP pattern
The number pattern below starts with 26.407. Subtract 0.325 from the previous term to find the next term. - The common difference 2 Find the common difference of an arithmetic progression (AP), whose first term is 5 and sum of its first 4 terms is half the sum of the next four terms.
- AP - which term
In the A. P. 36, 39, 42, …, which term is 276?
