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Hmmm A millimeter would be too big for that .
I think millionths of a meter would be about right. Micrometers.
Answer:
x = -5/3
Step-by-step explanation:
-4 = 
-4×3 = 20 x
-12 = 20 x

We analyze the linear function to find that it has equation

. Drawing the line, we find that it
will intersect the circle at negative and positive x-coordinates.We can prove this by
substituting 
into the given equation:




Hence,

or

, so there are both positive and negative values for

.