Ask a New Question

Question

The 10th term of an AP is 68 and the d is 7 find the first term of the sequence
3 years ago

Answers

Bosnian
In AP:

an = a1 + ( n - 1 ) d

a10 = a1 + 9 d

68 = a1 + 9 • 7

68 = a1 + 63

Subtract 63 to both sides.

5 = a1

a1 = 5

3 years ago

Related Questions

what is the 10th term in this arithemetic sequence of 2,9,16,23,30? The sum of the first 10th term of an a.p is 255,the sum of the first 20 term is 1010.find the next 2... the 10th,4th and 1st term of an A.P are the three consecutive numbers of a G.P and the sum of the 1s... 1.What is the 10th term of 1/2, 1, 3/2, 5/2 2. What is the 15th term of 0.3, 0.9, 0.15 3. What is... what is the 10th term in the geometric sequence? 400, 200, 100...? What is the 10th term of the sequence 64, 16, 4, ….? (1 point) What is the 10th term of the sequence 64, 16, 4, ….? (1 point) 1/1024 1/256 1/4096 1/496 the 4th and 10th term of an ap are 13 and 31 respectively. find the 21st term
Ask a New Question
Archives Contact Us Privacy Policy Terms of Use