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Zielflug [23.3K]
3 years ago
15

When the figure below is rotated 90 degrees counterclockwise about the origin what would be the new coordinates of point c?

Mathematics
1 answer:
Sedbober [7]3 years ago
6 0
Rotating a figure 90° counterclockwise about the origin results in an ordered pair (x, y) mapping to its image (-y, x).  Thus point C, which is at (3, 5), will map to (-5, 3).
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Hello,

First you have order all the number least to the greater. That gives 30, 75, 80, 85, 85, 95, 95, 100, 100, 110.

Afterwards you have to find the median. Why ?

I will explain you. It's because the median is robust. In fact, it can't be influenced by extreme values (example : 110) but the mean yes. So the mean won't be accurate.

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Photon
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