sarikahooper15 sarikahooper15

15-06-2020
Mathematics

contestada

The mean weight of 25 student in a class is 58kg. The mean weight of a class of 29 students is 62kg. Find the mean weight of all the students

Respuesta :

rebeccarayshma rebeccarayshma

21-06-2020

Answer:

weight of 25 students

25 × 58 = 1450kg

weight of 29 students

29 × 62 = 1798kg

total students = 25 + 29 = 54

total weight of students = 1450 + 1798 = 3248

mean weight of all students = 3248/54 = 60.19kg

Answer Link

Otras preguntas

Which is a characteristic of various kinds of world map projections? A. They cannot include enough detail to be useful. B. They distort scale and landmas

Write a word phrase for the algebraic expression 3X -7 a. The difference of three times a number X and seven b. The difference of seven and three times a number

christopher Columbus "discovered" the new world. How did his "discovery." lead to the death and destruction of native americans and many independent nations Ho

what describes this number sentence 6+0=6

a government can be both a monarchy and an anarchy at the same time true or false

how do you write 32,005,008 in two forms

Why is censorship an important issue in a free society?

what is the value of the 9s in 9,975

does every distinct factor of 24 have a partner why or why not

A truck weighs 72,429 pounds. when rounded to the nearest ten thousands the truck's weight will be