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Oksana_A [137]
3 years ago
14

Find the area of a circle with a radius of 2

Mathematics
1 answer:
Dmitrij [34]3 years ago
5 0

Answer:

12.56

Step-by-step explanation:

The equation for the area of a circle is πr² (pi x r²). The first step is squaring r, the radius, which is 2. 2²=4. 4 x 3.14= 12.56

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Step-by-step explanation:

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Find the percent of change from 48 people to 71 people. Round to the nearest tenth of a percent if necessary.
kondaur [170]

Step-by-step explanation:

Here, the number of people has beed increased.

→ Number of people increased = 71 - 48

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\to \% \: change =  \left ( \dfrac{23}{71}  \times 100 \right )  \: \% \\

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How can the quotient of powers law be used to show that a negative exponent is equivalent to the reciprocal
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Answer:Thus,  (-3)-4 = 1/(-3)4.

Step-by-step explanation:

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So for  (-3)-4 ,  n= -3 and -m= -4 (or m= 4).

Thus,  (-3)-4 = 1/(-3)4.

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