subject
Mathematics, 24.05.2021 22:10 claydale1659

Class A has 12 pupils and class B has 25 pupils. Both classes sit the same maths test.
The mean score for class A is 80.
The mean score for both classes is 74.
What is the mean score (rounded to 2 DP) in the maths test for class B?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
Jim makes $10.35 per hour. write an equation that jim can use to calculate his pay.
Answers: 3
question
Mathematics, 21.06.2019 14:00
Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).
Answers: 1
question
Mathematics, 21.06.2019 15:30
The function ƒ is defined by ƒ(x) = (x + 3)(x + 1). the graph of ƒ in the xy-plane is a parabola. which interval contains the x-coordinate of the vertex of the graph of ƒ?
Answers: 2
question
Mathematics, 21.06.2019 15:30
The local farm is advertising a special on fresh picked peaches. the farm charges $4.25 to pick your own peck of peaches and $3.50 for each additional peck you pick. write an equation for the total cost of peaches in terms of the number of pecks. deine your variables. how much does it cost to pick 3 pecks of peaches?
Answers: 3
You know the right answer?
Class A has 12 pupils and class B has 25 pupils. Both classes sit the same maths test.
The me...
Questions
question
Mathematics, 13.03.2021 06:50
question
World Languages, 13.03.2021 06:50
question
Mathematics, 13.03.2021 06:50
question
Mathematics, 13.03.2021 06:50
question
Mathematics, 13.03.2021 06:50
Questions on the website: 13722360