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goldfiish [28.3K]
3 years ago
9

Find the area of a circle, diameter measures 30 ft​

Mathematics
2 answers:
Furkat [3]3 years ago
8 0

Answer:

The A≈706.86

Step-by-step explanation

A=πr2

d=2r

Solving for A

A=1

4πd2=1

4·π·302≈706.85835

Hope this helps : )

rjkz [21]3 years ago
4 0

Answer:

225π or 706.86

Step-by-step explanation:

Area of a circle is πr²

r=half of the diameter

r=30÷2

r=15

π15²=A

π225=A

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Answer:

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Step-by-step explanation:

It is provided that at the Speedy Bike Works, 15 bicycles are produced each hour.

Consider the table below.

                    Number of Hours:       1          3          6          10

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Compute the ratio of number of bicycles produced and number of hours for every data above as follows:

\text{1 hour}=\frac{15}{1}=15:1\\\\\text{3 hour}=\frac{45}{3}=\frac{15}{1}=15:1\\\\\text{6 hour}=\frac{90}{6}=\frac{15}{1}=15:1\\\\\text{10 hour}=\frac{150}{10}=\frac{15}{1}=15:1

The ratio of the number of bicycles produced and number of hours is same for every data value.

Thus, the relationship between the number of bicycles produced and number of hours is proportional.

The equation for the relationship is:

<em>y</em> = 15·<em>x</em>

<em>y</em> = number of bicycles produced

<em>x</em> = number of hours

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Step-by-step explanation:

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