Answer:
500/31.25=16
Step-by-step explanation:
The school bought 16 calculators
Answer:
Option D
Step-by-step explanation:
Whenever we take a square root of a number the ± sign is with it like here in the question

And then x = ±4.47 which means x has two values one is +4.47 and the other is -4.47 so Option D is our answer.
Answer:
anwser -10000 n
Step-by-step explanation:
Answer:
1000
Step-by-step explanation:
you look very beautiful btw give me brainliest please ;)
Answer:
The radius is: 
Step-by-step explanation:
The equation of a circle in center-radius form is:

Where the center is at the point (h, k) and the radius is "r".
So, given the equation of the circle:

You can identify that:

Then, solving for "r", you get that the radius of this circle is:
