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Tema [17]
2 years ago
14

*Mastery Check. DO NOT ask for help. Find the area of the sector. Round your answer to the nearest tenth.

Mathematics
1 answer:
Juliette [100K]2 years ago
3 0

The area of the sector is 472.6 ft²

<h3>Area of a Sector</h3>

For finding the area of the sector, you need apply the formula:

A=\pi r^2* \frac{\alpha }{360}, where:

r= radius

α= central angle

The question gives:

r= radius= 19 ft

α= central angle = 150°

Thus, the area of the sector will be:

A=\pi r^2* \frac{\alpha }{360}=\pi *19^2*\frac{150}{360} =472.6

Read more about the area of a sector here:

brainly.com/question/22972014

#SPJ1

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Fed [463]

Answer:

You would have 32% of alcohol and still have 100L of a solution.Because i took the test.

Step-by-step explanation:

12%+5%+15%=

17%+15%=

32%

4 0
4 years ago
A and B are two cylinders that are mathematically similar.
Alik [6]

Answer:

Volume is 718 cm^3

Step-by-step explanation:

We need to get the radius of cylinder A

From the base area,

we have that;

A = pi * r^2

18 = 3.142 * r^2

r^2 = 18/3.142

r^2 = 5.73

r= √5.73

r = 2.39

If two shapes are similar, we have the ratio of their corresponding sides equal;

Thus;

2.39/5 = x/10

x = (10 * 2.39)/5

x = 4.78 cm

To get the volume, we use the formula

V = pi * r^2 * h

V = 3.142 * 4.78^2 * 10

V = 717.8 cm^3

This is approximately 718 cm^3

6 0
3 years ago
Find the volume of the solid obtained by rotating the region enclosed by the graphs of y=9−x, y=3x−3, and x=0 about the y-axis.
lora16 [44]

Answer:

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Step-by-step explanation:

6 0
3 years ago
A cylinder has a volume of 360 cubic centimeters. Find the volume of a cone with the same height and diameter as
harina [27]

Formula for the cylinder = V=πr2h

Formula for the cone = 1/3πr²H

Description:

So if the  cone and a cylinder have the same radius and the same height then it will be greater. So plug in these formula.

Formula:

Vcone = 3Vcone

Vcylinder = 360cm³

Vcone = 1/3 360cm³ = 120cm³

Answer: 120cm³

Hope this helps.

4 0
3 years ago
Pleae help will mark as brainliest
kvasek [131]
Y=8x+40
8 is slope because she adds 8$ weekly and 40 is what she started with
7 0
3 years ago
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