X=12 is the answer, i have done this question before, hope i helped.
Answer:
2.5 km
Step-by-step explanation:
First, find the area of the region:
- A circular region has a population of about 15,500 people;
- A population density of about 775 people per square kilometer.
So, there are
square kilometers.
Now, let x kilometers be the radius of the circular region, then

To the nearest tenth this is 2.5 km.
Answer:
Yes.
Step-by-step explanation:
It has a constant rate of change.