2 years ago

4km in9hr, then 24 km in

Mathematics

2 answers:

Mariulka [41]2 years ago

7 0

It is 54 hours
4/9=24/x
4x=216
X=54

Morgarella [4.7K]2 years ago

5 0

If you ran 4km in 9 hours.
Then you'll run 24 km's in.

4km per 9 hours
8km per 18 hours.
12km per 26 hours.
16km per 34 hours.
20km per 40.
24km per 46.

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Monica [59]

Answer:

$\theta = 82.2^\circ$

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$Let \ \angle BAC = \theta$

Opposite = BC ,

Adjacent = AB = x = 3 ,

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<em><u>Using trigonometric ratios.</u></em>

$sin \theta = \frac{opposite}{hypotenuse }\\\\cos \theta = \frac{adjacent}{hypotenuse}\\\\tan \theta = \frac{opposite}{adjacent}$

Since we have adjacent and hypotenuse we use cosine's ratio

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$cos \theta = \frac{x}{y} = \frac{3}{22} \\\\\theta = cos^{-1} \frac{3}{22} = 82.16 = 82.2^\circ$

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