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2 years ago

Choose the graph that matches the inequality y < –2x + 4.

Mathematics

2 answers:

Dafna1 [17]2 years ago

5 0

Answer:

I belive this would be C

Step-by-step explanation:

IceJOKER [234]2 years ago

4 0

Answer:

Step-by-step explanation:

You know that if its < or >, the line is - - - -, not a fully dark line.

So it would be either A or C

Plot in some numbers for x

Less than would be to the left.

So it wouldn't be A, leaving us with C

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$\checkmark \text{B. The area of the circle is } 729\pi,\\\checkmark \text{D. The arc length of the sector is } 12\pi$

Step-by-step explanation:

Area of a circle with radius $r$ : $r^2\pi$

Circumference of a sector with radius $r$ : $2r\pi$

Area of sector with angle $\theta$ : $r^2\pi\cdot \frac{\theta}{360}$ .

Arc length of sector with angle $\theta$ : $2r\pi\cdot \frac{\theta}{360}$

Using these equations, we get the following information:

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Area of sector: $27^2\pi\cdot \frac{80}{360}=162\pi$

Arc length of sector: $2\cdot 27\cdot \pi \cdot \frac{80}{360}=12\pi$

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Choose the graph that matches the inequality ­ y < –2x + 4.

Choose the graph that matches the inequality y < –2x + 4.