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KATRIN_1 [288]
3 years ago
13

The diameter of a circle is 6 cm. About how long is the circumference of the circle?

Mathematics
1 answer:
IgorLugansk [536]3 years ago
5 0

Answer:

The circumference is about 19 centimeters.

Step-by-step explanation:

The formula for finding the circumference of a circle is 2\pi r or simply \pi d.

Now input the values into the formula, keeping in mind that pi is almost 3.14.

\pi *6=18.84

Answer ≈ 19 cm

Hope this helps; have a great day!

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Find the arc length on a circle with radius =4 inches and central angle of 30°
Elenna [48]

Answer:

Step-by-step explanation:

I'm assuming you're not doing the pre-calculus version of this equation where your angle is in radians. So we'll do the Geometry version which looks like this:

AL=\frac{\theta}{360}*2\pi r

Our angle is 30 and our radius is 4, so we fill in accordingly:

AL=\frac{30}{360}*2(3.1415)(4) (this is if you multiply in pi. We'll find the answer in terms of pi as well).

AL = \frac{1}{12}*25.132 and

AL = 2.09433 inches

In terms of pi, the answer would be

AL = \frac{2}{3}\pi inches

5 0
3 years ago
Can you put these number from least to greatest?
Eva8 [605]

The correct order would be:

5/64 x 3, 1/16 x 3, 3/32 x 4, 11/64 x 4, 7/16 x 3, 3/4 x 2, 3/8 x 4, 1 7/8 x 4, 2.25 x 2, 1.5 x 4, 3 3/8 x 3, 3.75 x 3

First we have to take all of the numbers and do the multiplication. It's often easiest to turn them in to decimals so that you have a common form.

3/32 x 4 = 3/8 = .375

3/4 x 2 = 3/2 = 1.5

1 7/8 x 4 = 15/4 = 3.75

2.25 x 2 = 4.5

1.5 x 4 = 6

3/8 x 4 = 3/2 = 1.5

5/64 x 3 = 5/32 = .156

3.75 x 3 = 11.25

1/16 x 3 = 3/16 = .1875

7/16 x 3 = 21/16 = 1.31

3 3/8 x 3 = 81/8 = 10.125

11/64 x 4 = 11/16 = .687

Now we can use those to put in order.

5/64 x 3 = 5/32 = .156

1/16 x 3 = 3/16 = .1875

3/32 x 4 = 3/8 = .375

11/64 x 4 = 11/16 = .687

7/16 x 3 = 21/16 = 1.31

3/4 x 2 = 3/2 = 1.5

3/8 x 4 = 3/2 = 1.5

1 7/8 x 4 = 15/4 = 3.75

2.25 x 2 = 4.5

1.5 x 4 = 6

3 3/8 x 3 = 81/8 = 10.125

3.75 x 3 = 11.25

Which if you are looking for without the extra terms, you can check the answer at the top.

5 0
2 years ago
A class was conducting a series of probability experiments.
leva [86]
I believe the answer would be B, since both situations give you 6 chances at drawing/rolling the right number/marble.
6 0
2 years ago
Will the product be greater or less then each factor? 56.9×2.01
g100num [7]
Hmmmt that’s a good question
8 0
3 years ago
Kayla says that the point labeled C in the diagram below is the center. Raymond says that point C is the radius.
frutty [35]

Answer:

Kayla is correct The center is a fixed  point in the middle of the sphere

Step-by-step explanation:

In mathematics we have certain habit of rules for notation of points, coordinates, segments, angles and so on.

Usually we denote points,  by letters even more we denote with the first letter of the object we are denoting

Occasionally, we also denote  segments as radius in a circle and in a sphere, with letters,  that is r stands for  radius, h stands for height, in most cases we denote point for capital letters ( in a segment)  

When we denote radius, with small letter it should be placed at the center or over the segment we are traying to denote.

For points we only need to place the letter close to the to the point we want to denote.

Therefore Kayla is correct when says that c stand for " the center of the sphere"

8 0
3 years ago
Read 2 more answers
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