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Sergeeva-Olga [200]
2 years ago
11

Given a circle with a center at (-3.1) and a radius of 4, is the point (1,-2) inside,

Mathematics
1 answer:
n200080 [17]2 years ago
6 0

Answer:

Step-by-step explanation:

distance between center and (1,-2) is

d=\sqrt{(1-(-3))^2+(-2-1)^2} \\=\sqrt{16+9} \\=5>4\\

distance of the point from the center>radius of circle.

So it lies outside the circle.

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About 1.23 standard deviation above the mean

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3 0
2 years ago
Suppose that a simulation with a six-sided number cube provided these results during testing.
lyudmila [28]
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1 ... (16 and 2/3) %
2 ... (16 and 2/3) %
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4 ... (16 and 2/3) %
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6 ... (16 and 2/3) %

Experimental results:
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3 ... 16
4 ... 17
5 ... 16
6 ... 17

The total number of rolls in the experiment was

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1 ... 18%
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To me, this looks fantastically close.  The cube
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8 0
3 years ago
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