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juin [17]
2 years ago
14

Answer Please!!I will brainlist him/her​

Mathematics
1 answer:
NeTakaya2 years ago
5 0

Answer:

11 : 4

12 : 4 / 4

13 : 6/6

14 : 12 / 4

15: 9/3

16: 4/4

17: 15/5

18: 6/2

19: 10/5

20: 6/6

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The sides of two regular octagons are 3 in. And 6 in. respectively. Find the ratio of their perimeters and their areas
photoshop1234 [79]

The ratio of their perimeters is \frac{1}{2} and the ratio of their areas is \frac{1}{4}

Step-by-step explanation:

A regular n-side polygon has

  • n equal sides
  • n equal angles
  • The measure of each interior angle = \frac{(n-2).180}{n}
  • Its perimeter = n × a, where a is the length of its side

<em>V.I.Note: all regular polygons have same number of sides are similar, because their interior angles are equal in measures and their sides are proportion</em>

<em />

∵ There are to regular octagons

- Regular octagon has 8 equal sides and 8 equal angles

∴ The two octagon are similar

∵ Their sides are 3 inches and 6 inches

∴ The constant ratio between their sides = \frac{3}{6}

- Divide the two terms of the ratio by 3 to simplify it

∴ The constant ratio between their sides = \frac{1}{2}

In similar figures <em>the ratio between their perimeters is equal to the constant ratio between their sides</em>, and <em>the ratio between their areas is equal to square the constant ratio between their sides</em>

∵ The two octagons are similar

∵ The constant ratio between their sides = \frac{1}{2}

∵ The ratio between their perimeters = the constant ratio between

   their sides

∴ The ratio between their perimeters = \frac{1}{2}

∵ The ratio between their areas = (constant ratio)²

∴ The ratio between their areas = (\frac{1}{2})^{2}=\frac{1}{4}

The ratio of their perimeters is \frac{1}{2} and the ratio of their areas is \frac{1}{4}

Learn more:

You can learn more about the polygons in brainly.com/question/3779181

#LearnwithBrainly

6 0
3 years ago
The dimensions of a rectangular dining room are 18 feet by 16 feet. If a scale factor of One-fourth is used to make a scale mode
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Answer:48

Step-by-step explanation:

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3 years ago
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Which of the following polynomial functions is graphed below?
Olegator [25]

Answer: B. f(x)=(x+4)(x-2)^2(x+3)

Step-by-step explanation:

in the graph there's two negative x value and one positive x value

so the function should be in a form of f(x)= (x+a) (x-b)^2 (x+c)

the one with negative value has a square, (x-b)^{2}, because that's where the y = 0 (the point is hitting the (x,0))

6 0
3 years ago
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To multiply a decimal number by 100,
aleksley [76]

Answer:

move the decimal point two points to the right

3 0
3 years ago
Lindbergh's Air Speed Charles Lindbergh estimated that at the start of his historic flight the practical economical air speed wa
Strike441 [17]

The function based on the information will be S = -0.005D + 95.

<h3>How to illustrate the function?</h3>

It should be noted that d is the distance from the starting point while S is the speed.

The points given are (0 95)( 4000, 75).

Slope = (75 - 95)(4000 - 0)

= 0.005

The equation will be:

S = -0.005D + 95

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brainly.com/question/25638609

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