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Arlecino [84]
3 years ago
15

What is the area of the button? Use 3.14 for π and round to the nearest tenth. The circumference of a button is 40.8 millimeters

. What is the radius of the button? Use 3.14 for π and round to the nearest tenth. i need this answered quick
Mathematics
1 answer:
Vika [28.1K]3 years ago
4 0

Answer: radius = 6.5millimeters; Area = 132.7m²

Step-by-step explanation:

The circumference of a circle = 2πr

The area of a circle = πr²

The circumference of a button is 40.8 millimeters. Then we can get the radius, thus will be:

Circumference = 2πr

40.8 = 2 × 3.14 × r

40.8 = 6.28r

r = 40.8/6.28

r = 6.5

Radius is 6.5 millimeters

Area = πr²

Area = 3.14 × 6.5 × 6.5

Area = 132.7m²

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On a single roll of two number cubes, what is the probability of rolling doubles given that the sum is 6
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Answer:

1/6

Step-by-step explanation:

We can make a Punnett square to find number of favourable outcome

so

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         +

cube2    1          2          3        4          5         6

1            2         3           4        5          6        7      

2            3         4           5        6          7         8    

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4           5          6          7         8         9         10

5         6           7          8         9        10         11

6           7           8          9         10        11         12

The probability of rolling doubles given that the sum is 6

<h3> favourable outcome / number of outcome</h3>

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Answer:

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