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Mars2501 [29]
2 years ago
15

I need help plz hurry before the time is over plz plz ​

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
6 0

Answer:

JK

Step-by-step explanation:

As it is shown in the diagram JK is the segment bisector of MN. That means JK cuts MN in half.

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Write the slope-intercept form of the line between the two points.
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Read 2 more answers
An opaque cylindrical tank with an open top has a diameter of 3.25 m and is completely filled with water. When the afternoon Sun
kicyunya [14]

Answer:

10.69

Step-by-step explanation:

We must first know that the angle of refraction is given by the following equation:

n_water * sin (A_water) = n_air * sin (A_air)

where n is the refractive index, for water it is 1.33 and for air it is 1.

The angle (A) in the air is 22.8 °, and that of the water is unknown.

Replacing these values we have to:

1.33 * sin (A_water) = 1 * 0.387

sin (A_water) = 1 * 0.387 / 1.33

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now for the tank depth:

h = D / tan (A_water)

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Replacing

h = 3.25 / tan 16.9 °

h = 10.69

Therefore the depth is 10.69 meters.

6 0
3 years ago
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