Help. I don't understand..
...
![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)
Mathematics, 21.06.2019 13:40
Acertain standardized? test's math scores have a? bell-shaped distribution with a mean of 520 and a standard deviation of 105. complete parts? (a) through? (c)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:30
Factor the polynomial 4x4 โ 20x2 โ 3x2 + 15 by grouping. what is the resulting expression? (4x2 + 3)(x2 โ 5) (4x2 โ 3)(x2 โ 5) (4x2 โ 5)(x2 + 3) (4x2 + 5)(x2 โ 3)
Answers: 1
![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/fizika.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/istoriya.png)
History, 13.06.2020 16:57
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.06.2020 16:57
![question](/tpl/images/cats/istoriya.png)
History, 13.06.2020 16:57
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.06.2020 16:57
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 13.06.2020 16:57
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 13.06.2020 16:57
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
English, 13.06.2020 16:57
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.06.2020 16:57
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.06.2020 16:57
![question](/tpl/images/cats/health.png)
Health, 13.06.2020 16:57
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 13.06.2020 16:57