9/40.5=10/x
9x=405
X =45
When you set a proportion you can find the ? Value by cross multiplication
Answer:18
Step-by-step explanation:
Answer:
Which one do you need the answer for
Step-by-step explanation:
Answer:
The equation of a circle:

Step-by-step explanation:
The equation of a circle:
(where the center is known as
and the radius, known as
).
-Since you already have the center and the radius, use them for the equation of a circle:
Center: 
Radius: 

After you have the equation of a circle, simplify the radius by the exponent
:

So, you have found the equation of a circle.