Ask a New Question

If the 7th term of an AP is twice the third term and the sum of the first four terms is 42

1 answer

I assume you're looking for a and d, eh?

a+6d = 2(a+2d)
(4/2)(2a+3d) = 42

Now just solve for a and d.

Ask a New Question or answer this question.

Similar Questions

Name School TeamEvent 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in
1. 1 answer
Determining the first three terms of an ArithmetiC progressionof which the (a.)10th term is 31 and the 15th term is 49 (b.)7th
1. 1 answer
Use the image to answer the question.An illustration shows four sets of squares labeled as term 1, term 2, term 3, and term 4.
1. 1 answer
The 3rd term of a geometric progression is nine times the first term.if the second term is one-twenty fourth the 5th term.find
1. 2 answers

more similar questions