staves123
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

what was the name of the series of laws put in place to encourage the 13 English colonies to trade with England
The early atmosphere on Earth was _____. ANSWERS TO CHOOSE FROM (may be more than one answer!) :mostly carbon dioxide, extremely cold, poisonous, full of oxygen
A word or phrase used to show division in a word problem is?
purfume discounted 25% on sale for $27 fnd the original price
The diploid number for a lily whose pollen contains 12 chromosomes would be _________ and is produced when the pollen, containing sperm, _______ the egg.
object a has less thermal energy than object b but heat flows from object a to object b what makes this possible?
please help me. i need it today.
What were the responsibilities of the satrap?
What are some of the forces at work on American English today?
Which of these statements is true? A.) a historian explains how events in the past are connected. B.) a historian does not interpret caused and meanings of even