subject
Mathematics, 15.08.2021 14:00 barn01

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 good in mathematics only ? how many students are not good in any of three courses ?

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 19:00
The length of a rectangular piece of land is 92 yards more than three times its width. the perimeter is 760 yards. find its dimensions.
Answers: 1
question
Mathematics, 21.06.2019 19:30
Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3
Answers: 2
question
Mathematics, 21.06.2019 19:30
In the geometric progression –3, 12, −48… what term is 3,072?
Answers: 2
question
Mathematics, 22.06.2019 02:00
Which is the best estimate of the product of 0.9 x 0.88? 0 0.25 0.5 1
Answers: 2
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
Mathematics, 09.09.2020 19:01
question
Mathematics, 09.09.2020 19:01
question
Social Studies, 09.09.2020 19:01
question
English, 09.09.2020 19:01
question
Mathematics, 09.09.2020 19:01
question
Mathematics, 09.09.2020 19:01
Questions on the website: 13722359