![subject](/tpl/images/cats/mat.png)
Mathematics, 15.08.2021 14:00 megan5192
in class of 80 student debre berhan university ,45 are good in mathematics,15 are good in both mathematics and in english,13 are good in both mathematics and psychology,16 are good in both english and psychology only,20 are good in psychology and 9 are good in both of three courses. how many students are not good in any of three courses ?
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:30
Solve the equation w^3 = 1,000 i honestly dont know how to punch this into a calculator pls
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30
Logan wants to know how many skateboards have defective parts. he inspects 20,000 skateboards and keeps track of the number of defects per board. use his probability distribution table to find the expected value for defects on a skateboard.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 19:00
The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?
Answers: 2
![question](/tpl/images/cats/mat.png)
You know the right answer?
in class of 80 student debre berhan university ,45 are good in mathematics,15 are good in both mathe...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 20:20
![question](/tpl/images/cats/istoriya.png)
History, 21.04.2021 20:20
![question](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 20:20
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 21.04.2021 20:20
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 20:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 21.04.2021 20:20
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 20:20
![question](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 20:20
![question](/tpl/images/cats/istoriya.png)
History, 21.04.2021 20:20
![question](/tpl/images/cats/biologiya.png)
Biology, 21.04.2021 20:20
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.04.2021 20:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
English, 21.04.2021 20:30