millardjunior17 millardjunior17
  • 15-08-2021
  • Mathematics
contestada

The mean of 3 numbers is 7.two numbers are 4 and -5
Find the third number

Respuesta :

terej terej
  • 15-08-2021

Step-by-step explanation:

(-5+4+x)÷3=7

-5+4+x=21

x=21-4+5

x=22

Answer Link
adarkwaloretta5
adarkwaloretta5 adarkwaloretta5
  • 15-08-2021

l don't

know about this thing

Answer Link

Otras preguntas

Write this statement as a conditional in if-then form: All triangles have three sides. A. If a triangle has three sides, then all triangles have three sides.
What role did the Korean War play in the Cold War?
What do you think are some of the advantages and disadvantages of alternative sanctions?
Which number line represents the solution set for the inequality –x ≥ 4?
how did civil rights affect history
Keystone Predators (2 points) A. Play a small role in a food web. B. Are not part of a food web. C. Are always top predators. D. Play an important
4. How might living under anarchy be desirable, compared to other forms of government with more power? How might it be bad? (4 points)
You're talking to a group of people you've never met before, and you want to be polite what term do you use
Which of the items in the list below is not an option for formatting text in presentation programs? color style language alignment
ΔABC will undergo two transformations to give ΔA′B′C′. Which pair of transformations will give a different image of ΔABC if the order of the transformations is