Gordon was thinking of a number. Gordon doubles it, then adds 20 to get an answer of 66.3. What was the original number?
2 answers:
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Answer:
p = 4
Step-by-step explanation:
Given equation:
<u>Standard equation of a circle:</u>
(where is the centre of the circle, and
is the radius)
If you expand this equation, you will see that the coefficient of is always one.
Therefore,
<u>Additional information</u>
To rewrite the given equation in the standard form:
So this is a circle with centre (2, -3) and radius √29
Answer:
everything can be found in the picture above. I hope it helps
