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Aleonysh [2.5K]
3 years ago
10

Find the area of the sector.

Mathematics
1 answer:
attashe74 [19]3 years ago
4 0

Answer: C . 147π / 4 mi²

Concept:

The sector is the part of a circle is enclosed by two radii of a circle and their intercepted arc.

A = (θ / 360) πr²

θ = angle of the sector

π = constant

r = radius

Solve:

<u>Given variable</u>

θ = 270°

r = 7 mi

<u>Given formula</u>

A = (θ / 360) πr²

<u>Substitute values into the formula</u>

A = (270 / 360) π (7)²

<u>Simplify exponents</u>

A = (270 / 360) π 49

<u>Simplify by multiplication</u>

A = (147 / 4) π

A = 147π / 4

Hope this helps!! :)

Please let me know if you have any questions

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4 years ago
Solve for x and explain how you got your answer <br> 3x + 4 = 16
12345 [234]

Answer:

X = 4

Step-by-step explanation:

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5 0
3 years ago
Point G is (-8,6) Point J is a reflection of point G and is reflected across the x axis what are the coordinates of point J?
kakasveta [241]

Answer:

(-8, -6)

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J = (-8, -6)

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7 0
3 years ago
A store is having a sale on jelly beans and almonds. For 6 pounds of jelly beans and 2 pounds of almonds, the total cost is $12
CaHeK987 [17]

Solution:

Let each pond of  jelly beans cost $x.

and each pond of almonds cost $y.

Then we can write

6x+2y=12.......(i)

3x+5y=15.....(ii)

Now solve these two equations together using substitution we get

3x=15-5y

30-10y+2y=12\\&#10;\\&#10;-8y=12-30\\&#10;\\&#10;-8y=-18\\&#10;\\&#10;y=2.25\\&#10;\\&#10;3x=15-5y=15-5*2.25=3.75\\&#10;\\&#10;x=1.25

Hence each pond of jelly bean cost 1.25$

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3 0
3 years ago
-4 = r divided by 20 − 5<br> Solve for R
Sidana [21]

Answer:

20

Step-by-step explanation:

Simplify both sides of the equation.

−4= r 20 −5 −4= 1 /20 r+−5 −4= 1 /20 r−5

Flip the equation.

1 /20 r−5=−4

Add 5 to both sides.

1 /20 r−5+5=−4+5

1 /20 r=1

Multiply both sides by 20.

20*( 1 /20 r)=(20)*(1)

r=20

6 0
3 years ago
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