Answer:
5. 1 1/2 ( c )
6. 3 7/10 ( c )
Step-by-step explanation:
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63% decrease.
0.63•80=50.4kg
80kg-50.4kg=29.6kg
Answer:
The coordinates of ABCD after the reflection across the x-axis would become:
Step-by-step explanation:
The rule of reflection implies that when we reflect a point, let say P(x, y), is reflected across the x-axis:
- x-coordinate of the point does not change, but
- y-coordinate of the point changes its sign
In other words:
The point P(x, y) after reflection across x-axis would be P'(x, -y)
P(x, y) → P'(x, -y)
Given the diagram, the points of the figure ABCD after the reflection across the x-axis would be as follows:
P(x, y) → P'(x, -y)
A(2, 3) → A'(2, -3)
B(5, 5) → B'(5, -5)
C(7, 3) → C'(7, -3)
D(5, 2) → D'(5, -2)
Therefore, the coordinates of ABCD after the reflection across the x-axis would become:
Answer:
4.right
5. obtuse
6. acute
7. obtuse
8.acute
9. right
10. right
11. acute
12. obtuse
hope this helps
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Step-by-step explanation:
