brooklyn4932
27.06.2019 •
Mathematics
Triangle abc is reflected over the y-axis. the coordinates of point a are (–3, –1). what are the coordinates of point a', the reflected image, using an algebraic representation?
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Ответ:
A'(3, - 1)
Step-by-step explanation:
Under a reflection in the y-axis
a point (x, y) → (- x, y), hence
A (- 3, - 1) → A'(3, - 1)
Ответ:
80
Step-by-step explanation: She surveyed 80 students. I got this because 50% is half of a number and 40 is half of 80.