Which of the following sets is NOT closed under addition.
1 answer:
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X - number of customers
There can't be a fraction of the number of people, so there must be some mistake in the question.
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There can't be a fraction of the number of people, so there must be some mistake in the question.
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Given:
The point is (-5,7).
To find:
The image of the given point after 90 degrees counter clockwise rotation.
Solution:
If a point rotated 90 degrees counter clockwise, then
Let the given point is P(-5,7). Using the above rule, we get
Therefore, the image of the given point after 90 degrees counter clockwise rotation is (-7,-5).