Mathematics, 23.09.2019 23:00, adammouedden198

Class 10r sat a test.
the mean mark for the class was 70%.
there are 30 students in class 10r, 20 of whom are boys.
the mean mark for the boys in the test was 62%.
work out the mean mark for the girls

Answers: 1

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 17:30, DASASDAEDWEDA

How do you find principle and simple interest

Answers: 1

continue

Mathematics, 21.06.2019 19:00, ghazanfarwaheed7967

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.

Answers: 2

continue

Mathematics, 21.06.2019 21:20, mirmir62

If f(x) = 4 - x2 and g(x) = 6x, which expression is equivalent to (g-f)(3)? 06-3-(4 + 3)2 06-3-(4-33 6(3) - 4 +32 6(3) -4 -32

Answers: 1

continue

Mathematics, 21.06.2019 22:50, 7obadiah

He graph of f(x) = |x| is stretched by a factor of 0.3 and translated down 4 units. which statement about the domain and range of each function is correct? the range of the transformed function and the parent function are both all real numbers greater than or equal to 4. the domain of the transformed function is all real numbers and is, therefore, different from that of the parent function. the range of the transformed function is all real numbers greater than or equal to 0 and is, therefore, different from that of the parent function. the domain of the transformed function and the parent function are both all real numbers.

Answers: 3

continue

Do you know the correct answer?

Class 10r sat a test.
the mean mark for the class was 70%.
there are 30 students in clas...