Please answer 13 thank you
1 answer:
Explanation:
For the function: x + 4y ≥ 0
Rewrite:
4y ≥ -x
y ≥ -x/4
- x-intercept: (0, 0)
- y-intercept: (0, 0)
As the inequality is "≥", the line should be solid.
Dashed line is used for "<" or ">" inequalities.
Points for y = -x/4 are (-4, 1), (0, 0), (4, -1). Use a ruler and graph a solid line through them and shade the portion above the line.
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An isosceles triangle is when 2 angles are the same measure. an triangles angle equal to 180 degrees. therefore angle A is 80 degrees as well as angle B equals 80 degrees. since the angles of a triangle equal to 180 you subtract the two known angles to find angle C. So 180-80-80 which equals to 20.
Therefore angle C=20 degrees
Therefore angle C=20 degrees