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

If f(x)=x+4 and g(x)=2x-3, find (g-f)(2)
Two rectangles are similar. One has a length of 12 cm and a width of 9 cm, and the other has a width of 8 cm. Find the length of the second rectangle. Round to
Which contributes to the dissolution of sugar in water?
Which noun has the highest level of concreteness? a. Building b. Structure c. The Empire State Building d. Skyscraper
Which best describes the Muslim presence in North Africa in the late seventh and early eighth centuries? a. rade connections gave Islam a presence in cities and
Which accurately describes a letter written during the time a historical event occurred?
5. When an adverb modifies a verb with a helping verb, the adverb should generally be placed a. at the beginning of the sentence. b. before the helping verb. c.
While broadcasting a football game, the announcer exclaimed, "I can't believe it. Carl James just scored a touchdown. That's right; I said Carl James. Even Carl
Ustedes___ (estudiar) en la biblioteca
In the Cuban Missile Crisis, President Kennedy demanded the removal of Soviet missiles from ____________. a. Cuba c. Canada b. the Soviet Union d. America