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jessicaisbaehood
09.01.2021 •
Mathematics
What is the image of the point (3,4) after a rotation of 90 degree counterclockwise about the origin
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Ответ:
(- 4, 3 )
Step-by-step explanation:
Under a counterclockwise rotation about the origin of 90°
a point (x, y ) → (- y, x ) , then
(3, 4 ) → (- 4, 3 )
Ответ:
2.5 x 4 = 10
Step-by-step explanation:
2
2.5
x 4
10. 0
You then drop the 0 that is behind the decimal and leave 10 by itself. Hope this helped.