![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)
![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 āc.ā using the 68-95-99.7 rule, what percentage of students failed to earn a grade of at least ācā?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:30
Will mark determine whether the conjecture is true or false. give a counterexample for any false conjecture. given: points r, s, and t conjecture: r, s, and t are coplanar. a) false; the points do not have to be in a straight line. b) true c) false; the points to not have to form right angles. d) false; one point may not be between the other two.
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
What is the expression of 4,634-1,546?...
Questions
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/en.png)
English, 20.11.2019 00:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2019 00:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.11.2019 00:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/istoriya.png)
History, 20.11.2019 00:31
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 20.11.2019 00:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 20.11.2019 00:31
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 20.11.2019 00:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 20.11.2019 00:31
![question](/tpl/images/cats/ekonomika.png)