alicemareus
18.11.2020 •
Mathematics
4(x – 1) + x = 3(x + 5) – 11
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Ответ:
x = 4
Step-by-step explanation:
4x - 4 + x = 3x + 15 - 11
5x - 4 = 3x + 4
-3x -3x
2x - 4 = 4
+4 +4
2x = 8
_ _
2 2
x = 4
Ответ:
they are perpendicular to each other
step-by-step explanation:
the only answer choice that isn't complete nonsense is the one shown above.
the x-axis is not the diameter of any circle.
the x-axis has no midpoint.
the x-axis has no endpoints.
a line segment joining any point and its reflected image will be perpendicular to (and bisected by) the line of reflection, no matter what that line is. you can take advantage of this fact to construct the reflected image.