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VikaD [51]
2 years ago
8

What is the sum of the interior angle measures of a polygon that has 20 sides

Mathematics
1 answer:
Tema [17]2 years ago
3 0

Answer:

3240 gradus

Step-by-step explanation:

n=20

(20-2)*180=18*180=3240

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27% of the students in a school are in grade 6. This is 540 students. How many students are in the school?
Anettt [7]

There are a total of 2,000 students in the school.

1.) There are 540 students in the 6th grade. 540 is only 27% of students compared to the total. To find the total students in the whole school, we divide 540 by 27%.

2.) We first change 27% into a decimal by moving the point two times to the left. (Rule to change the percent into a decimal)

27% = .27

3.) Before we divide, we remove the decimal by moving the decimal two times to the right and so do we to 540.

.27 = 27

540. = 54000.

4.) Now we have 54000 divided by 27 which give us the answer of 2,000.

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6 0
3 years ago
Cooling towers are used to remove or expel heat from a process. A cooling tower's walls are modeled by x squared over 324 minus
olchik [2.2K]

The width of the cooling tower at the base of the structure will be A. 36 meters.

<h3>How to calculate the width?</h3>

From the information given, the towers walls are modeled by x²/324 - (y² - 90)²/1600.

Therefore, the width of the cooling tower at the base of the structure will be:

= 2 × ✓324

= 2 × 18

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3 0
2 years ago
Reflect C over the y axis​
4vir4ik [10]

Answer:

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Under a reflection in the y- axis

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Find the perimeter and area of the figure.
iogann1982 [59]

Answer:

perimeter of the figure =32 units

area of the figure=56 units²

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