rochellea57 rochellea57

05-03-2022
Mathematics

contestada

the mean of 18,21 and 36 is equal to the mean of 20 and what number

Respuesta :

Magnolia321 Magnolia321

05-03-2022

Answer:

30

30+20=50 and 50/2=25

So 20+ x = 50 because 25 times 2 is 50.

x=30

Hope it helps.

Answer Link

Otras preguntas

Identify the process that represents how organisms grow and replace old or damaged cell.

which transformation preserves similarity between the preimage and image, but does not preserve congruence

Describe and account for the changes in the American presidency between 1960 and 1975, as symbolized by Kennedy’s “Camelot”, Johnson’s Great Society, and Nixon’

What is the first 7 square numbers?

Why is RNA chemically unstable?

Angela earns x dollars an hour. On Friday, she worked 6 hours. On Saturday, she worked 8 hours. Which expression shows how much she earned both days ? A. 6x +

Which sentence best describes the word pathos?

How many different arrangements of the letters in the word power

what is 30% of ( ) equals 60, find the missing number. ALso if possible please provide your strategy for finding this awnser so I can use it in the future, i

-2x-y=-9 5x-2y=18 substitution