What is ∑ (4n+1) equal to?
32 is on top
n=1 is on bottom...
![ansver](/tpl/images/cats/User.png)
Answers: 2
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 15:30
Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:20
Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Reinel saves 30% of every pay check. his paycheck last week was 560$. how much did reniel save last week?
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:20
Find the common ratio of the sequence. -4, 8, -16, 32, a: -12b: -2c: 12d: -1/-2
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 25.08.2019 20:50
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.08.2019 20:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.08.2019 20:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 25.08.2019 20:50
![question](/tpl/images/cats/mat.png)
Mathematics, 25.08.2019 20:50
![question](/tpl/images/cats/istoriya.png)
History, 25.08.2019 20:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.08.2019 21:00
![question](/tpl/images/cats/en.png)