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egoroff_w [7]
2 years ago
12

Using x as the variable, write a formula to find the perimeter of the figure. Use the formula to find the perimeter. a regular d

odecagon (12-gon); one side is 9.25 cm a. 12/x; 1.29 cm c. 12x; 111 cm b. 12 - x; 2.75 d. 12 + x; 21.25 cm
Mathematics
1 answer:
Mamont248 [21]2 years ago
6 0

Answer:

c. 12x; 111 cm

Step-by-step explanation:

The regular dodecagon has 12 sides. Each side has a length of x=9.25 cm, and we know that the perimeter of the figure is the sum of the lengths of all the sides: Therefore, since we have 12 sides, the perimeter will be given by the product between the length of each side, x, and the number of sides, 12:

p=12 \cdot x

and if we substitute x = 9.25 cm, we find

p=12 \cdot 9.25 cm=111 cm

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Using the recursion equation, it is found that the value of the 2nd iterate is:

x_2 = 3.16228

<h3>What is the recursive equation?</h3>

The value of the nth iteration is given by:

x_n = \frac{x_{n-1} + \frac{10}{x_{n-1}}}{2}

The initial estimate is:

x_0 = 3.1

Hence, the 1st iterate is given by:

x_1 = \frac{x_0 + \frac{10}{x_0}}{2} = \frac{3.1 + \frac{10}{3.1}}{2} = 3.1629

The 2nd iterate is:

x_2 = \frac{x_1 + \frac{10}{x_1}}{2} = \frac{3.1629 + \frac{10}{3.1629}}{2} = 3.16228

Thus, the fourth option is correct.

You can learn more about recursive equations at brainly.com/question/6561461

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2 years ago
If the cost of a bat and a baseball combined is $1.10 and the bat costs 41.00 more than the ball, how much is the ball?
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Step-by-step explanation:

7 0
3 years ago
three apples and four bananas cost $4.85 . three apples and ten bananas cost $8.75.Find the cost of an apple.
konstantin123 [22]
8.75-4.85= 3.90= cost of 6 bananas
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3 years ago
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