Khan Academy has great free videos! I do online school and I've had to go to it a ton for help.
Answer:
(a) Circle Q is 9.4 units to the center of circle P
(b) Circle Q has a smaller radius
Step-by-step explanation:
Given
Solving (a): The distance between both
The equation of a circle is:
Where
P and Q can be rewritten as:
So, for P:
For Q:
The distance between them is:
Where:
---
---
So:
Solving (b): The radius;
In (a), we have:
--- circle P
--- circle Q
By comparison
<em>Hence, circle Q has a smaller radius</em>
Answer:
44%
Step-by-step explanation:
55 out of 125 just means we divide 55 by 125.
%
.44 can be converted to 44% by moving the decimals place.