subject
Mathematics, 01.03.2021 01:00 faithmccarroll3939

On a test, a student completed some questions worth 4 points and some questions worth 5 points. The student earned a score of 75 after correctly answering 18 questions.
How many questions worth 4 points did the student correctly answer?

15
21
3
20

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 20:00
Describe a situation that you could represent with the inequality x< 17
Answers: 2
question
Mathematics, 21.06.2019 22:10
If p(a) = 0.70 and p(b) = 0.20, then a and b are independent events if
Answers: 3
question
Mathematics, 22.06.2019 05:20
Jake volunteers to out his younger brother's basketball team in his free time. one of his tasks is to ensure that all the basketballs have enough air in them. given that a properly inflated basketball measures 8.8 inches across, what is the total volume of air inside six of jake’s basketballs? assume that the wall of each ball is infinitely thin.
Answers: 3
question
Mathematics, 22.06.2019 05:30
Writing proportions. no solving. write all of them ! extraaa points.
Answers: 2
You know the right answer?
On a test, a student completed some questions worth 4 points and some questions worth 5 points. The...
Questions
question
Mathematics, 08.10.2019 03:00
Questions on the website: 13722359