3 years ago

If the area of a circle is 24.5cm^2, what is the circumference?

Mathematics

1 answer:

kobusy [5.1K]3 years ago

8 0

Answer:

Step-by-step explanation:

17.55cm

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Answer:

see below:

Step-by-step explanation:

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y = 6/2

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3 years ago

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3 years ago

What is the value of r of the geometric series n=11.3(0.8)n-1

jeyben [28]

the value of r of the geometric series n=11.3(0.8)n-1

$an=11.3(0.8)^{n-1}$

General formula for nth term of any geometric series is $a_n=a_1(r)^{n-1}$

Here 'r' is the common ratio

a_1 is the first term of the series

Now we compare the given formula with general formula

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2 years ago