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

An element’s _____ shows the number of protons in its atom.
Shelby Organic Foods is a fast growing firm that produces organic frozen food entrees.The firm employs 700 people and expects to hire more in the next few years
thA sum of Rs. 700 grows by 1/20 of itself every year. At what time would it amout to Rs.1050? a) 8 yearsb) 10 yearsc) 12 years d) 15 years​
What is 10+x-15-3x please
Multiply: (x−5)(x−7) A x2−12x+35 B x2+2x+35 C x2+35 D x2+35x−12
un automóvil recorre 90 km con 2 galones de gasolina cuantos kilómetros recorre con 11 galones de gasolina y cuantos galones de gasolina necesita para recorrer
How many solutions does the system have? x+2y=2 2x+4y=−8 ​
Genes, Chromosomes, and DNA Quick Check If one half of a DNA molecule has 8 thymine bases, what else is also true about the DNA molecule? ( point) There will be
Factor this expression. 3x2 - 6x
Drag each tile to the correct box. Place the items in order from lowest to highest degree of internal organization. Please answer 1st at the top and last at the