3 years ago

How far up a wall will an 11-meter ladder reach, if the foot of the ladder is 4 meters away from the base of the wall?

Mathematics

1 answer:

Serhud [2]3 years ago

7 0

Answer: approximately 10.4 feet

Step-by-step explanation:

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RoseWind [281]

Answer:
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Strike441 [17]

Answer:

See explanation

Step-by-step explanation:

The range of the cosine function is $-1\le \cos x\le 1$

Therefore $arc \cos (-2\sqrt{2})$ is not defined.

Assuming your question is rather $arc \cos (-\frac{\sqrt{2}}{2})$

Then $arc \cos (-\frac{\sqrt{2}}{2})=\pi-arc \cos (\frac{\sqrt{2}}{2})$ in the second quadrant.

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3 years ago

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3 years ago

june made a design with 6 equql tiles.One tile is yellow,2 tile iare blue and 3 tiles are purple. what fraction of the tiles are

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