flora8311 flora8311

01-09-2020
Mathematics

contestada

10 students of a class had a mean score of 70. The remaining 15
students of the class had mean score of 80. What is the mean score of
the entire class?

Respuesta :

SPIDERMAN3224 SPIDERMAN3224

01-09-2020

Oops someone else answered it before me

Answer Link

Otras preguntas

Which of the following was the first natural barrier to expansion of the frontier for American colonists?

A coelom is _____. a. an arrangement of organs b. a cavity filled with fluid c. layers of tissue d. an inner lining of tissue

y=-3x - 4 y= 2x + 1

22 is 44 percent of what number

3x +4y=5.2 solve for y

for ratios what would 45 out of 60 be as a fraction?

y=-3x - 4 y= 2x + 1

what is the midpoint of 0.01 to 0.02

A reason economic systems like sharecropping and the crop-lien system came to be was due to changes in the plantation system. What were they?

How do I find the ratio of the first measurement to the second measurement ? Problem: Length of a tennis racket: 2 ft. 4 in. Length of a table tennis table pad