![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:40
2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
You are at a restaurant and owe $56.20 for your meal. you want to leave an 18% tip. approximately how much is your tip?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:40
What is the slope of the line that contains the points (-2,1) and (0,-3)
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:50
Scores on a university exam are normally distributed with a mean of 78 and a standard deviation of 8. the professor teaching the class declares that a score of 70 or higher is required for a grade of at least “c.” using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least “c”?
Answers: 1
You know the right answer?
Please help!!! this is geometry
...
...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 28.06.2019 18:00
![question](/tpl/images/cats/istoriya.png)
History, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/health.png)
Health, 28.06.2019 18:00
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.06.2019 18:00
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 28.06.2019 18:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 28.06.2019 18:00
![question](/tpl/images/cats/mat.png)
Mathematics, 28.06.2019 18:00
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 28.06.2019 18:00
![question](/tpl/images/cats/himiya.png)
Chemistry, 28.06.2019 18:00