Ask Question
13 November, 20:09

The first term of an arithmetic sequence is - 3 and the fifteenth term is 53. What is the common difference of the sequence?

+5
Answers (1)
  1. 13 November, 22:18
    0
    T15=a + (n-1) d where: "T15" is the 15th term, "a" is the 1st term, "n" is the number of terms and "d" is the common diff. Thus; 53=-3 + (15-1) d 53=-3+14d 53+3=14d 56=14d d=56/14 d=4
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “The first term of an arithmetic sequence is - 3 and the fifteenth term is 53. What is the common difference of the sequence? ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers