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zavuch27 [327]
3 years ago
6

Cot(x) = 3.2404 How would you solve for x?

Mathematics
1 answer:
HACTEHA [7]3 years ago
7 0
Cot (x) = 3.2404
1/tan(x) = 3.2404
tan(x) = 1 / 3.2404
x = inverse tangent ( 1 / 3.2404 )
x = 72.8 degrees (3 s.f.)
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A car wheel has a radius of 16 inches. Through what angle ( to the nearest tenth of a degree ) does the wheel turn when the car
olya-2409 [2.1K]

First of all, let's convert all the measures to the same unit: 4 feet are 48 inches.

Now, as the wheel turns, there is a proportion between the angle and the distance travelled: for example, when the car moves forward a whole circumference, the angle will be 360°. Conversely, if the wheel turns 180°, then the car will move forward a distance which is half the circumference of the wheel, and so on.

Since the radius is 16 inches, the circumference will be

C=2\pi r = 32\pi

So, we have the following proportion:

360\div 32\pi = x \div 48

that you can read as: "if an angle of 360 corresponds to a distance travelled of 32\pi, then the unknown angle x corresponds to a distance travelled of 48 inches.

Solving for x, we have

x = \dfrac{360\cdot 48}{32\pi} = \dfrac{17280}{32\pi} = 171.887338539\ldots \approx 171.9

5 0
3 years ago
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Step-by-step explanation:

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8 0
2 years ago
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babymother [125]
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4 0
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Read 2 more answers
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yawa3891 [41]

Answer:

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do u have to use the exact same number for all the substitutions?

8 0
3 years ago
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