embell2209 embell2209
  • 15-11-2022
  • Mathematics
contestada

The mean mark for the class was 70%
There are 30 students in the class 20 of them are boys
The mean mark in the test for the boys was 62%
What is the mean mark for the girls?

Respuesta :

Otras preguntas

 which of the following is not a function of the skeletal system, storage of fat and minerals, support the body regulation of blood pressure protection of self
How can you correct a run-on sentence?
if 11y=(18)²-(15)²,find y
what is one simile in chapter 27 of restart
1PHILOGENE, NVENSON Last Saved: 7:47 AMWhat was the mission of the House Un-American Activities Committee (HUAC) in the late 1940s?to investigate the spending h
Anatomy and Physiology
A snack bar weighs 53g, and 10% of the weight is sultans. How many grams of sultans are in the snack bar?
What is your name. What interest you to be a teacher
Which of the following financial investments would be consideremost risky?CashCertificates of DepositCorporate bonds○ Stocks
Legally, extensive medical records are kept during patient care because:1) It's the right thing to do.2)Due to their excessive workload, doctors struggle to rem