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mestny [16]
2 years ago
5

A circle has a circumference of

Mathematics
1 answer:
murzikaleks [220]2 years ago
5 0

Answer:

1249.37 units

Step-by-step explanation:

The circumference of a circle is given as

C=2\pi \: r

Given that the circumference of a circle is 7850 units, we can find the radius by substituting and solving for r.

7850 = 2\pi \: r

r =  \frac{7850}{2\pi}

We divide to obtain:

r = 1249.37

Therefore the radius of the circle is 1249.37 units

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Need help ASAP! Directions and problem in the picture;) Will give brainliest
iren2701 [21]

Answer:

x = 24 , y = 19

Step-by-step explanation:

The opposite sides of a parallelogram are congruent , then

2x - 8 = x + 16 ( subtract x from both sides )

x - 8 = 16 ( add 8 to both sides )

x = 24

and

2y = y + 19 ( subtract y from both sides )

y = 19

3 0
2 years ago
Please help asap....​
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Answer: B or D

Step-by-step explanation:

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20. Use the Distributive Property to find another expression for 3(2x + 7)
ASHA 777 [7]

Answer:

D

Step-by-step explanation:

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7 0
3 years ago
Find the coordinates of the point (x,y) at the given angle θ on a circle of radius r centered at the origin. Show all work. Roun
beks73 [17]

Answer:

(i) The equivalent coordinates in rectangular form are (x, y) = (-3.277,-2.294).

(ii) The equivalent coordinates in rectangular form are (x, y) = (0.866, 0.5).

Step-by-step explanation:

In this exercise we must find the equivalent coordinates in rectangular form from polar form. That is:

(x, y) = (r\cdot \cos \theta, r\cdot \sin \theta)

Where:

r - Norm of vector, dimensionless.

\theta - Direction of vector with respect to +x semiaxis, measured in sexagesimal degrees.

(i) (r = 4, \theta = 215^{\circ})

(x. y) = (4\cdot \cos 215^{\circ}, 4\cdot \sin 215^{\circ})

(x, y) = (-3.277,-2.294)

The equivalent coordinates in rectangular form are (x, y) = (-3.277,-2.294).

(ii) (r = 1, \theta = 30^{\circ})

(x. y) = (1\cdot \cos 30^{\circ}, 1\cdot \sin 30^{\circ})

(x, y) = (0.866, 0.5)

The equivalent coordinates in rectangular form are (x, y) = (0.866, 0.5).

6 0
3 years ago
In the diagram shown , find the size of angle x​
almond37 [142]

Answer:

x = 110°

Step-by-step explanation:

The sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

Here n = 6, thus

sum = 180° × 4 = 720°

Sum the given angles and equate to 720

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