Identify the radius and center.
x^2 + y^2 + 2x + 4y + 1 = 0
1 answer:
Answer:
Center:-1,-2
Radius: 2
Step-by-step explanation:
Ok, get the form of a circle from this equation-
(x+2)^2+(y+2)^2=4
Since this is the form of a circle, I can figure out the center and the radius from here,
r=2
h=-1
k=-2
Center:-1,-2
Radius: 2
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5
Step-by-step explanation:
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Answer:
Option B
Step-by-step explanation:
Numerator:

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Denominator:



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The answer is b because you at doubling each year
Answer:
class b
Step-by-step explanation:
because the mean and median are approximately the same