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lord [1]
3 years ago
13

How many lines of symmetry does a circle have? What point do all lines of symmetry for a given circle have in common?

Mathematics
1 answer:
Alina [70]3 years ago
4 0
A circle has infinit lines of symmetry. They pass through the centre of the circle and are the circle's diameter. Hope this helps! (:
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3 years ago
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RESTAURANTS In 2012, a popular pizza franchise had 2483 restaurants. In 2017, there were 2606 franchised
lisabon 2012 [21]

y  -  2483  =  24.6(x - 2)

Let x represent the number of years after 2010

Let y represents the number of restaurants in x years

2012 is 2 years after 2010

2017 is 7 years after 2010

Number of restaurants owned by RESTAURANTS in 2012 = 2483

This can be represented in coordinate form as (2, 2483)

Number of restaurants owned by RESTAURANTS in 2017 = 2606

This can be represented in coordinate form as (7, 2606)

The equation of a line in point-slope form is:

y-y_{1} = m(x - x_{1}  )

where m represents this slope, and is calculated as:

m = \frac{y_{2} - y_{1} }{x_2-x_1} \\m = \frac{2606-2483}{7-2} \\m = \frac{123}{5} \\m = 24.6

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The equation in point-slope form becomes:

y  -  2483  =  24.6(x - 2)

Learn more here: brainly.com/question/6497976

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3 years ago
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9514 1404 393

Answer:

  x² +y² = 16

Step-by-step explanation:

The diagonal of a square is √2 times the side length, so the diameter of a circumscribed circle is √2 times the diameter of an inscribed circle. Each of the two outer circles is √2 times the diameter of the one just inside it, so the outer circle is (√2)(√2) = 2 times the diameter of the inner circle.

The equation of the largest circle with radius 2·2=4 is ...

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A card is drawn from a standard deck of 52 playing cards. Find the probability that the card is a Jack or a Club.
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3/13 or 23.1%

Step-by-step explanation:

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Answer:

490 :)

Step-by-step explanation:

Top Surface Area = 210

Bottom SA = 280

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