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Katarina [22]
3 years ago
9

Find the area of the circle. Leave your answer in terms of pi

Mathematics
2 answers:
n200080 [17]3 years ago
6 0
To find the area of a circle you use the formula pi r ^2 

so first you divide 14 by 2 to get the radius 

then you square the radius 

in this question it doesn't ask to multiply out pi; so pi stays as is

7^2= 49 

so 49pi is your answer
Umnica [9.8K]3 years ago
4 0
It would be c 28 hope this helps <<<<UPDATE INCORRECTT
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Answer:

The function have a constant ratio

No, it does not represent an exponential function.

Step-by-step explanation:

As given,

Ines has saved $5. She doubles the amount she saves each week.

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If the series is given as a, b, c, d, ..... , then

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The common ration is defined as r = \frac{b}{a} = \frac{c}{b}

Here, in the given question

The series is - 5, 10, 20, 40

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As 5 ≠ 10

So the function does not define common difference .

Now,

This has common ratio , r =  \frac{10}{5} (=2) = \frac{20}{10}(=2)

As 2 = 2

So, the function represent common ratio

Now,

The function does not represent an exponential function because it is increased by common ratio.

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