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max2010maxim [7]
3 years ago
13

A circle has a circumference of 12 it has an arc of length 11 what is the central angle of the arc in degreesA circle has a circ

umference of 12 it has an arc of length 11 what is the central angle of the arc in degrees
Mathematics
2 answers:
Ilia_Sergeevich [38]3 years ago
7 0

Answer:

330°

Step-by-step explanation:

The central angle:

360°×\frac{11}{12}

=30°×11

=330°

IrinaVladis [17]3 years ago
4 0

Answer:   330⁰

<u>Step-by-step explanation:</u>

Circumference (C) = 2π · radius(r)

                          12 = 2π·r

                     \dfrac{6}{\pi}=r

Arc length (s) = radius(r) · θ           <em>(reminder that theta is in radians)</em>

                  11=\dfrac{6}{\pi}\cdot \theta\\

                  \dfrac{11\pi}{6}=\theta

To convert radians to degrees, use the proportion:   π = 180⁰  

\dfrac{\pi}{180}=\dfrac{11\pi}{6x}\\\\6x(\pi)=180(11\pi)\\\\x=\dfrac{180(11\pi)}{6\pi}\\\\x=30(11)\\\\x=330

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Answer:

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4 0
2 years ago
What is -0.18 as a fraction in simplest form.
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3 years ago
Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Fourteen people ans
Bond [772]

If Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week. Then the mean of the sample is 3.75.

<h3>What is Mean?</h3>

The average of a group of numbers is simply defined as the mean. In statistics, the mean is regarded as one of the indicators of central tendency.

Sixty-five randomly selected car salespersons were asked the number of cars they generally sell in one week.

Fourteen people answered that they generally sell two cars; nineteen generally sell three cars; twelve generally sell four cars; nine generally sell five cars; eleven generally sell six cars.

Then the mean of the sample will be

\rm Mean = \dfrac{1}{N} \times \Sigma _{i}   \ \ x_if_i

Then the table is given below.

Then we have

\rm Mean = \dfrac{1}{65} \times (244)\\\\\\Mean = 3.7538\\\\Mean \approx 3.75

More about the mean link is given below.

brainly.com/question/521501

#SPJ1

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