![subject](/tpl/images/cats/mat.png)
Mathematics, 29.09.2020 14:01 andrew763
Stoplight A changes color every 15 seconds and Stoplight B changes color every 45 seconds. Both stoplights changed color 12 seconds ago. After how many seconds will the stoplights change color at the same time again?
![ansver](/tpl/images/cats/User.png)
Answers: 2
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
How many of the 250 grandparents in the population would you expect to prefer online shopping with merchant a? merchant a: 4 merchant b: 6 merchant c: 2 merchant d: 3 other: 5 none: 5 answer choices: a.about 4 b.about 8 c.about 40 d.about 21
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
Free points also plz look my profile and answer really stuff
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.
Answers: 3
You know the right answer?
Stoplight A changes color every 15 seconds and Stoplight B changes color every 45 seconds. Both stop...
Questions
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2019 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2019 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2019 01:10
![question](/tpl/images/cats/health.png)
Health, 11.09.2019 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2019 01:10
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2019 01:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 11.09.2019 01:10
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/fizika.png)
Physics, 11.09.2019 01:10
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/istoriya.png)
History, 11.09.2019 01:10
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 11.09.2019 01:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
Chemistry, 11.09.2019 01:10
![question](/tpl/images/cats/biologiya.png)