Sstar76 Sstar76
  • 13-11-2016
  • Mathematics
contestada

if n is the average of three numbers x, 12, and 15, what is the value of x?

Respuesta :

2101vainilla 2101vainilla
  • 13-11-2016
9-  because it looks like 12 and 15 were multiplied by 3,
3x5= 15
3x4= 12
3x3= 9
Answer Link

Otras preguntas

The early anthropologist who saw religion as rooted in a belief in spirits and the worship of them was
the statement 2n^2+5n-25=0 opens up because
How did plessy vs. ferguson affect the rights of black americans? what precedent did it set?
Chris needs 3 1/2 cups of flour. His only clean measuring cup holds 1/3 cup. how many 1/3 cups of flour does Chris need?
Which theme does this excerpt best support
A number is selected at random from the set [ 2,3,4...10] which event, by definition, covers the entire sample space of this experiment?
How would you feel if you were denied service or employment because of a disability?
Cause: Russia was made up of many languages, cultures, religions, and geographic features. What was the effect?
Why did Germany and Japan criticize Coca-Cola during WWII?
The measure of gravity on Earth determines our __________. mass weight 2. The closer an object is to the center of Earth, the ___________ the gravitational fo