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professor190 [17]
3 years ago
13

Which is the real world situation that can be described by a linear inequality

Mathematics
1 answer:
garik1379 [7]3 years ago
7 0

Answer:

Pretty sure it's B

Step-by-step explanation:

Everything else would be more like an equation. I think B is the only inequality.

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2 years ago
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A man is standing at a radar base and observes an unidentified plane at an altitude 6000m flying towards the radar base at an an
liubo4ka [24]

Answer:

The speed in of the plane is 115.47 m/sec

Step-by-step explanation:

Given:

Height at which the plane is flying = 6000 m

Angle of elevation at the radar base = 30 Degrees

Angle of elevation at the radar base after one minute  = 60 Degrees

To Find:

The Speed of the plane in meter per second = ?

Solution:

Let us use the tangent of the angle to find the distance (d) to a point directly below plane:

<u>when the angle is 30 degrees</u>

tan(30) = \frac{6000}{d1}

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d1 = \frac{6000}{0.577}

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tan(60) = \frac{6000}{d2}

d2  = \frac{6000}{tan(60)}

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=>d1 - d2

=>0392.3 - 3464.1

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=>\frac{6928.2}{60}

=>115.47 m/sec

4 0
3 years ago
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