staves123 staves123

21-09-2022
Mathematics

contestada

Class A has 22 pupils and class B has 22 pupils. Both classes sit the same maths test. The mean score for class A is 79. The mean score for both classes is 78. What is the mean score in the maths test for class B?

Respuesta :

Otras preguntas

Which of the following statements about antibodies is false? (A) Antibodies are produced by different combinations of soluble proteins in the blood called compl

what is the slope of the graph of 4x-16y=15

How did slaves' family, religion, and other aspects of their culture help them cope with the slave system?

how to solve 2/4 of 4

how can we solve water pollution?

If V = 12R / (r + R) , then R =

what is 3/8 times 2/9? Answers: A 5/17 B 5/12 C 1/17 D 1/12

Natural selection states that a. a change in a species occurs over time. b. nature selects the variations within a species that are most useful for survival. c.

What are some examples are timid

If f(x) = 2(x)^2 + 5 square root (x+2), complete the following statement f(2) = ______