jdgsosbaiwv jdgsosbaiwv

12-10-2022
Mathematics

contestada

Class A has 28 pupils and class B has 21 pupils.
Both classes sit the same maths test.
The mean score for class A is 71.
The mean score for class B is 42.
What is the mean score (rounded to 2 DP) in the maths test
across both classes?

Respuesta :

Otras preguntas

can yall help me out Devon wanted to know if x−3 is a factor of f(x)=x^3+x^2−10x+8. She applied the Factor Theorem and concluded that x−3 is not a factor of f(x

What is Jefferson County's population?

- Find the sum of 5x - 3 and -2x + 1

A defining characteristic of sympatric speciation is Group of answer choices a. The appearance of new species in the midst of old ones b. Asexually reproduci

write 33/8 ÷ 11/4 as a complex fraction. please help

if the real output is at a near maximum level, which of the following should be considered? A. the aggregate supply will eventually become unsustainable B. the

Classify the polynomial as a monomial, a binomial, a trinomial, or none of these. 8x5 − 4x3 + 8x − 1

The base of a triangle is 2 ft. The height of the triangle is 15 in. What is the area of the triangle in square inches?

Please helppp I need 1 paragraph I’m about to go to school

Find the sum of the squares of 3, 2, 1, and -1 A. 5 B.14 C.13 D.15