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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The lengths of the boards are 6 cm and 8 cm.
The boards make a right angle.
Therefore the string connecting the boards is the hypotenuse of a right triangle (shown n the figure).
By the Pythagorean theorem,
c² = 6² + 8² = 100
c = 10 cm
Answer: c = 10 cm
The boards make a right angle.
Therefore the string connecting the boards is the hypotenuse of a right triangle (shown n the figure).
By the Pythagorean theorem,
c² = 6² + 8² = 100
c = 10 cm
Answer: c = 10 cm