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NeX [460]
2 years ago
9

The radius of a circle is 6 kilometers. What is the length of a 60° arc.​

Mathematics
1 answer:
riadik2000 [5.3K]2 years ago
8 0

Answer:

6.284

Step-by-step explanation:

* means multiply

formula is arc length = radius * theta

theta is fancy way of saying

make degrees into radians

you have to make 60 degrees into radians

you do that by

60 * Pi/180 = Pi/3

then you multiply that with the radius

6 * Pi/3 = 2 * Pi = 6.284

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Answer: 7

Step-by-step explanation:

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3 years ago
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What is the point slope form of the line with slope 2/5 that passes through the point (−4, −7) ?
fredd [130]

y + 7 = \frac{2}{5} (x + 4)

the equation of a line in ' point- slope form ' is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

here m = \frac{2}{5} and (a , b ) =( - 4, - 7)

y + 7 = \frac{2}{5} (x + 4) → equation in point- slope form


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3 years ago
What is the first step in finding 383 divided by 30
zepelin [54]
See how many times 30 fits into 383.
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5 0
3 years ago
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1 15/100 + 1/50 +1.175=
grin007 [14]

1\frac{15}{100}+\frac{1}{50}+1.175 =\frac{115}{100}+\frac{1}{50}+1.175 =\frac{23}{20}+\frac{1}{50}+1.175 =\frac{115}{100}+\frac{2}{100} =\frac{115}{100}+\frac{2}{100} =\frac{115+2}{100}  =1.175+\frac{117}{100} =1.175+1.17  =2.345

<h3><em>You can write </em>2.345<em> or </em>2\frac{69}{200}<em></em></h3><h3><em></em></h3><h3><em>Hope I helped you!</em></h3><h3><em>Success!</em></h3>
6 0
3 years ago
If the circumference of the circle is 37.68 units, what is the area? (Use 3.14 for pi .)
cricket20 [7]

Answer:

Area of the circle = 113.04\;units^2

Step-by-step explanation:

Circumference = 37.68\;units

Circumference of the circle = 2\times \pi  \times r

As,

    \pi =\dfrac{22}{7}=3.14

                        37.68=2\times \pi  \times r\\\\37.68=2\times 3.14 \times r\\\\37.68=6.28\times r\\\\r=\dfrac{37.68}{6.28} \\\\r=6\;units

Area of a circle = \pi \times r^2

                       =3.14\times (6\times 6)\\\\=3.14\times 36\\\\=113.04\;units^2

3 0
3 years ago
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