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Oliga [24]
3 years ago
12

What is the approximate area of the figure below?

Mathematics
2 answers:
Volgvan3 years ago
7 0
Semi circle can be added together to become a circle
Area of circle: pi * r^2
r = half diameter = 4/2 = 2
pi * 2^2 = 12.566 cm^2
Rectangle: L * W
4 * 6 = 24 cm^2 for rectangle
Add both areas
12.566 + 24 = 36.566
Solution: 36.57 cm^2
(I don’t know if you need to round)
sergejj [24]3 years ago
5 0

Answer:

96

Step-by-step explanation:

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Which ordered pair represents the y-intercept of the graph of the equation y = -3x - 9?
Mnenie [13.5K]
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Equation
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y = -3x - 9

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Option 1
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If I substitute x = -9, I should get y = 0

When x = -9
y = -3 (-9) - 9
= 18 (I did not get 0, wrong)


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Option 2
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If I substitute x = -3, I should get y = 0
y = -3(-3) - 9
y = 9 - 9 
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Option 3
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If I substitute x = 0, I should get y = -3
y = -3 (0) - 9
y = 0 - 9
y = -9 (I did not get -3, wrong)


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Option 4
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If I substitute x = 0, I should get y = -9
y = -3 (0) - 9
y = 0 - 9
y = -9 (Yes, I got -9, correct)


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Answer: (-3, 0) and (0, 9) are ordered pairs of the equation (Answer B, D)
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