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poizon [28]
2 years ago
12

The original price of a pair of shoes is $29.90 and there is a markdown of 10% for a

Mathematics
1 answer:
olga_2 [115]2 years ago
3 0

Answer:

2.99 is the amount that is being taken off and the final price is $26.91

Step-by-step explanation:

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each sister gets 21 dollars, so there are three sisters there fore 21*3 equals 63

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Answer:

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Step-by-step explanation:

Plug in the x to get the y

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What’s the answer and how do I solve it?
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3 0
3 years ago
The radius of a circle is 15. Using π, which equation expresses the ratio of the circumference to the diameter of a circle?
Kobotan [32]

Answer:

The equation which expresses the ratio of the circumference to the diameter of a circle is  \frac{C}{30}=\pi ⇒ D

Step-by-step explanation:

π is the ratio between the circumference of the circle and the length of its diameter

\frac{C}{d}=\pi , where

  • C is the circumference of the circle
  • d is the diameter of the circle

∵ The circumference of the circle is C

∵ The radius of the circle is 15 units

∴ r = 15 units

- Find the diameter of the circle

∵ The diameter of the circle d = 2 r

∴ d = 2(15) = 30 units

∴ The diameter of the circle is 30 units

∵ \frac{C}{d}=\pi

∵ d = 30 units

∴ \frac{C}{30}=\pi

The equation which expresses the ratio of the circumference to the diameter of a circle is  \frac{C}{30}=\pi

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3 years ago
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