# Arithmetic progression 2

The 3rd term of an Arithmetic progression is ten more than the first term, while the fifth term is 15 more than the second term. Find the sum of the 8th and 15th terms of the Arithmetic progression if the 7th term is seven times the first term.

### Correct answer:

Tips for related online calculators

Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

#### You need to know the following knowledge to solve this word math problem:

#### Grade of the word problem:

## Related math problems and questions:

- 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 sum 21

The sum of a geometric progression's 2nd and 3rd terms is six times the 4th term. Find the two possible values of the common ratio B. If the second term is eight, the common ratio is positive. Find the first six terms. - In a GP 72+144

In a GP, the sum of the 2nd and fifth terms is 72, and the sum of the 3rd and 6th terms is 144. Find the common ratio, find the first term, and find the sum of the first six terms - The product 9

The product of the third and second terms of the arithmetic progression is 3000. If the common difference is 10, find the first term. - The sum 27

The sum of a geometric progression's second and third terms is six times the fourth term. Find the two possible values of the common ratio. - The third 2

The third term of an arithmetic sequence is -12, and the seventh term is 8. What is the sum of the first 10 terms? - Arithmetic 81798

Two arithmetic sequences have the same first term. The nth term of the first sequence is 15, and of the second sequence, 21. The sum of the first n terms of the first sequence is 63, and of the second sequence, 84. Write the sums of the first n terms of b - The sum 23

The sum of the first 10 terms of an arithmetic sequence is 530. What is the first term if the last term is 80? What is the common difference? - Parabolic sequence

Find the sum of the first nine terms of an arithmetic sequence whose general term is a(n) = 3n²+5 - Common difference

The 4th term of an arithmetic progression is 6. Find the common difference if the sum of the 8th and 9th terms is -72. - AP - general term

Find the sum of the first 12 terms of the arithmetic sequence whose general term is an=3n+5. - Difference 81696

Write the first 5 terms of the arithmetic sequence if the first term is a1=7 and the difference d= - 3 - Calculate 81860

The two terms of the geometric sequence are a2=12 and a5=three halves. a) calculate the tenth term of the sequence. b) calculate the sum of the first 8 terms of the sequence. v) how many first terms of the sequence need to be added so that the sum is equa - The 8th

The 8th term of GP is greater than the 5th term, and the 10th term is 10 times the 2nd term find: 1) the common ratio 2) 20th term - Sum 1-6

Find the sum of the geometric progression 3, 15, 75,… to six terms. - AP five members

Give the arithmetic sequence of 5 terms if the first term is 8 and the last term is 100. Show your solution. - Arithmetic sequence

Determine the sum of the first 12 terms of an AP (arithmetic sequence) if a4 is equal to 7 and a8 is equal to minus 1.