In an arithmetic sequence, a3=1 and a9=49. What is the explicit formula for the sequence?
X
A...
![subject](/tpl/images/cats/mat.png)
Mathematics, 03.02.2021 20:00 Jaaaack
In an arithmetic sequence, a3=1 and a9=49. What is the explicit formula for the sequence?
X
A. a(n)-8-15
B. a[n)n-3n-15
C. anne8n-23
D. a(n)=--8-23
х
2
- 10
8
0
8
10
desmos
acer
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
You are shooting hoops after school and make 152 out of a total of 200. what percent of shots did you make? what percent did you miss? show proportion(s).
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Determine domain and range, largest open interval, and intervals which function is continuous.
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:00
Afair die is cast four times. calculate the probability of obtaining exactly two 6's round to the nearest tenth of a percent
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 19.03.2021 23:20
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2021 23:20
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2021 23:20
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2021 23:20
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2021 23:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 19.03.2021 23:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mir.png)
World Languages, 19.03.2021 23:20
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mkx.png)
Arts, 19.03.2021 23:20
![question](/tpl/images/cats/mat.png)
Mathematics, 19.03.2021 23:20
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/en.png)
English, 19.03.2021 23:20
![question](/tpl/images/cats/himiya.png)