yutikac yutikac

13-12-2022
Mathematics

contestada

There are 21 boys and 29 girls in a class.
The boys and the girls have some pens.
The mean number of pens that the boys have is 21.
The mean number of pens that the girls have is 18.

Work out the mean number of pens the 50 children have.

Respuesta :

Otras preguntas

_____________ refers to substance secreted in fetal lungs that prevents the lung air sacs from collapsing.

Which of these groups includes organisms that are MOST closely related? A) class B) family C) genus D) species

Hence it came about that I concealed my pleasures; and that when I reached years of reflection, and began to look round me and take stock of my progress and pos

What is the connection between the liver (organ), UV radiation (sunlight), and bone tissue?

what dangers does hamilton see in a presidential term that is too short

I nedd help please.....

Afla numerele cu 175 mai mici: 300, 400, 672, 533, 566, 777, 866, 1 000

I don't know how to solve it please help

A hypothesis is unrelated to the theoretical framework. a. True b. False

what is -4/5 + 3/20 in simplest form