The population of a town changed by -16.2% over 3 years. What was the average change per year?
1 answer:
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Answer:
The center of the circle is at;
The radius of the circle is;
Explanation:
Given the equation of circle;
we want to re-write it in the form;
where;
Applying Completing the square method;
comparing the derived equation to the general form we have;
Therefore;
The center of the circle is at;
The radius of the circle is;