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Mariana [72]
3 years ago
9

If the arc on a particular circle has a length of 3 units, and the degree measure of the arc is 30o, which is the circumference

of the circle?
i got 12 but i am not sure if i did it right
Mathematics
1 answer:
lord [1]3 years ago
3 0
The answer is not 12.

The ratio of the arc to the angle equals the ratio of the circumference to 360°.

Then 3/30° = circumferece / 360°

3/30 = x / 360 => x = 360 * 3/30 = 36 units.

Answer: 36 units
You might be interested in
Identify the area of segment MNO to the nearest hundredth. HELP PLEASE!! I don't understand it!
katrin2010 [14]

Answer:

  13.98 in²

Step-by-step explanation:

I don't understand it, either.

Point N is part of a "segment" that above and to the right of chord MO. It is the sum of the areas of 3/4 of the circle and a right triangle with 7-inch sides. The larger segment MO to the upper right of chord MO has an area of about 139.95 in², which <u>is not</u> an answer choice.

__

The remaining segment, to the lower left of chord MO does not seem to have anything to do with point N. However, its area is 13.98 in², which <u>is</u> an answer choice. Therefore, we think the question is about this segment, and we wonder why it is called MNO.

The area of a segment is given by the formula ...

  A = (1/2)(θ -sin(θ))r² . . . . . . where θ is the central angle in radians.

Here, we have θ = π/2, r = 7 in, so we can compute the area of the smaller segment MO as ...

  A = (1/2)(π/2 -sin(π/2))(7 in)² = 24.5(π/2 -1) in² ≈ 13.9845 in²

Rounded to hundredths, this is ...

  ≈ 13.98 in²

3 0
3 years ago
Do you think inequalities or equations are used more in everyday life? Justify your answer. In your answer include literal equat
nevsk [136]
Yes, I do think that inequalities or equations are used more in everyday life.
5 0
3 years ago
A positive integer is 47 more than 9 times another. Their product is 1860. Find the two integers.
svlad2 [7]
X = 47 + 9y
xy = 1860

y(47 + 9y) = 1860
47y + 9y² = 1860
9y² + 47y - 1860 = 0

> using a quadratic equation solver on a calculator but you can also use the quadratic equation = [-b+/- √(b²-4ac)]/(2a)
> only integer solution is x = 12

12y = 1860
y = 155

integers are 12 and 155


8 0
3 years ago
Pls help me guys!<br> Thanks =P
hichkok12 [17]
I would just try to identify the pattern. First, for the cups column, if the amount increases by 5 each time, then the missing box must be 5 less than 10 or 5

The, for the servings column, you can test to find the pattern. If you were to guess the pattern is 3, when you check, you would see that the boxes are 6 and 9 because then it increases by 3 each time

Hope this helps
8 0
3 years ago
Read 2 more answers
Plz help me, I'm not trying to fail math ​
spayn [35]
The answer is a i believe

you can solve it
8 0
3 years ago
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