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3 years ago

A circle has a circumference of 50.24 units. What is the radius of the circle?

Mathematics

1 answer:

trapecia [35]3 years ago

4 0

Answer:

8 units

Step-by-step explanation:

The circumference of a circle is given by

C = 2*pi*r

50.24 = 2 * 3.14 *r

50.24 = 6.28 r

Divide each side by 6.28

50.24/6.28 = 6.28r/6.28

8 =r

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ipn [44]

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3 years ago

Pi/6 is the reference angle for: 3pi/6 5pi/6 13pi/6 8pi/6

Elanso [62]

Answer:

$\frac{5\pi}{6}, \frac{13\pi}{6}$

Step by step

Remember, a reference angle is a positive acute angle that represents an angle θ of any measurement.

$\frac{3\pi}{6}=90^\circ$ , then its reference angle is $\frac{\pi}{2}$

$\frac{5\pi}{6}=150^ \circ$ is in the second cuadrant, then its reference angle is $180^ \circ -150^{\circ}=30^{\circ}=\frac{\pi}{6}$

$\frac{13\pi}{6}=390^\circ=360^\circ+30^\circ$ , then it is in the first cuadrant and the reference angle is $30^\circ =\frac{\pi}{6}$ .

$\frac{8\pi}{6}=240^\circ$ and it is in the third cuadrant, then its reference angle is $240^\circ -180^\circ=60^\circ=\frac{\pi}{3}$

5 0

3 years ago

Write an inequality to represent the phrase: The sum of a number and 6 is no less than 31.

Nastasia [14]

Answer

6+x=31 0r 6+ x = <31

Step-by-step explanation:

3 0

3 years ago

50 Points!!! PLEASE HELP!

Ymorist [56]

Answer:

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Step-by-step explanation:

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2 years ago

Marco has $400. Each week, Marco adds $5 to his bank account.

lesantik [10]

Answer:

I'm pretty sure it's 400w+5=s

Step-by-step explanation:

400w because thats how much he earns each week +5 because that's how much he added =s which equals the total cost in his savings

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3 years ago