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RoseWind [281]
3 years ago
7

Find the exact circumference of a circle with the given radius 3 and 1/2 cm​

Mathematics
2 answers:
Marina86 [1]3 years ago
7 0

Answer:

Step-by-step explanation:

Radius is half diameter so you have to multiply the radius by 2 to find diameter.

3 1/2 * 2 = 7

storchak [24]3 years ago
5 0

Answer:

7π

Step-by-step explanation:

The circumference (C) of a circle is

C = 2πr = 2π × \frac{7}{2} = \frac{14\pi }{2} = 7π

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3 years ago
Todd has 21 white tiles dnd some black tiles to make a mosaic. The mosaic has a total area of 144 Square centimeters. Each tile
tekilochka [14]

Answer:the number of black tiles that Todd used is 27

Step-by-step explanation:

Let x represent the number of black tiles that Todd used.

Todd has 21 white tiles and some black tiles to make a mosaic. Each tile has an area of 3 square. It means that the total area of the white tiles is 21 × 3 = 63 cm^2

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3 years ago
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Temka [501]

Answer:

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5 0
3 years ago
Select the correct answer.
antiseptic1488 [7]

Answer: Oc. 28

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4 0
2 years ago
Which of the following is not equivalent to 1?
cluponka [151]

Answer:

B

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