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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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blsea [12.9K]

Answer:

$13.52

Step-by-step explanation:

5 0
3 years ago
A student bought 5 coats at $86 each and paid for them with only $20 bills. How many bills did it take ?
aleksandr82 [10.1K]
It took 22 $20 bills . $86 x5= $430
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3 0
3 years ago
Gerardo works at an ice cream shop each flavor of ice cream is stored in a right cylindrical tub that measures approximately 9 i
Leokris [45]

Answer:

Volume left = 404.32 cubic inches

Step-by-step explanation:

volume of a cylinder = \pir^{2}h

volume of ice cream in the cylindrical tub = \frac{22}{7} x 5^{2} x 9

                                           = \frac{22}{7} x 25 x 9

                                           = 707.1429

Volume of ice cream in the cylindrical tub is 707.14 cubic inches.

The ice cream scoop has a spherical volume, so that;

volume of a sphere = \frac{4}{3}\pir^{3}

r = \frac{2.5}{2}

 = \frac{5}{4} inches

volume of the scoop = \frac{4}{3} x \frac{22}{7} x (\frac{5}{4} )^{3}

                                  = \frac{4}{3} x \frac{22}{7} x \frac{125}{64}

                                  = 8.1845

volume of the scoop is 8.19 cubic inches.

If he scoops 37 scoops,

volume of the 37 scoops = 37 x 8.1845

                                          = 302.8265

volume of 37 scoops is 302.83 cubic inches.

Volume of ice cream left in the tub = 707.1429 - 302.8265

                                                           = 404.3164

Volume of ice cream left in the tub is 404.32 cubic inches.

7 0
3 years ago
HELP IM GIVING 20 POINTS LIKE PLZZ I NEED HELP​
maria [59]

Answer:

price = 4.1

cost = 12.3

Step-by-step explanation:

price = 0.8+1.2+1.5+0.6 = p4.1

cost = 2.40+3.60+4.50+1.80 = $12.3

3 0
2 years ago
The length between (3, 8) and (-2, -4) is ______?
True [87]

Answer:

13

Step-by-step explanation:

to find the length between two point you've got to use the formula

√(x2-x1)^2 +(y2-y1)^2

√(-2-3)^2 + (-4-8)^2

√(-5)^2 + (-12)^2

√ 25+144

√169

13

5 0
3 years ago
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