Asked by Deborah
Given that the 7th term of AP is 3 greater than the 5th term,the sum of the 10th term and 3th term is 45, calculate,20th term,8 term and the sum of the first five terms?.
Answers
Answered by
oobleck
so, use what they told you:
a+6d = a+4d + 3
a+9d + a+2d = 45
3th term? Is that a typo for 3rd, or for 13th? I assumed 3rd.
Solve for a and d, and then just find
a+19d, a+7d, and S5 = 5/2 (2a+4d)
a+6d = a+4d + 3
a+9d + a+2d = 45
3th term? Is that a typo for 3rd, or for 13th? I assumed 3rd.
Solve for a and d, and then just find
a+19d, a+7d, and S5 = 5/2 (2a+4d)
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.