theledfords1142 theledfords1142

04-05-2018
Mathematics

contestada

A class has 24 boys and 16 girls. on a test the class mean was 75. the mean of the girls' score was 72. what was the mean of the boys' scores?

Respuesta :

04-05-2018

24+16=40
40*75=3000
16*72=1152
3000-1152=1848
1848/24=77

Answer Link

pottymouth pottymouth

15-11-2018

jhnkjhn jnjhvgfhjvb fcgvgfhcv fcgh jfgch jklk

Answer Link

Otras preguntas

help with math homework!

Alison has developed an interest in how the brain controls the body's voluntary action. you suggest that she become a(n) _____ psychologist.

In the United States, women earn 77 cents for every dollar a man earns. Please select the best answer from the choices provided. T F

why is strontium more reactive than calcium but less reactive than rubidium?

Which headline would be LEAST likely to be studied in macroeconomics? Question 13 options: a) Unemployment Falls to a 7-Year Low b) The Fed Raises Interes

Until women reach their mid-60s, they tend to get less sleep per night as they age. the average number of hours, in excess of eight hours, that a woman sleeps p

labour is best define as the

labour is best define as the

y varies inversely as x. If x = 5 then y = 6. Find the constant of variation.

0.0...32841875151i lireatoe