gissellmartinez gissellmartinez
  • 22-08-2018
  • Mathematics
contestada

What number must be added to 15,-6, and 12 to have a mean of 5? Explain.

Respuesta :

Аноним Аноним
  • 22-08-2018

You need to add a -1

We can find this by setting up the equation like so

x + (-6) + 12 + 15 / 4 = 5

x + 21 = 20

x = 20 -21

x = -1

Now if we insert -1 where x is located in the equation, you will get a means of 5

Answer Link

Otras preguntas

please let me know the answer to this
The volume of this rectangular prism is 122,264 cubic millimeters. What is the value of z? (will mark brainliest)
W Which inequality represents this problem? • Jerry has $30 in his savings account, and he deposits $6 each month. • Amber has $80 in her savings account, and s
please help me with these question what is meant by beverages, consistency and invalid ​
Sphere B is the image of sphere A after dilation by a scale factor of 44. If the volume of sphere A is 50 m^3 3 , find the volume of sphere B, the image.
Help with this geometry question? 10th grade geometry, will reward brainly
30w-(w+6)-(5w+4)=-(5w+6)+(-8+3w) ayuda porfavor con esta ecuacion
In the 1600s, why did the monarchs of some European countries gain power in their political system (absolutism), while at the same time the monarchs of some Eur
How much more likely is a teen to die in a crash if drugs or alcohol are involved?
Which two geographical features influenced the ancient civilization of Egypt? A) Euphrates River and Black Sea B) Nile River and Mediterranean Sea C) N