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Shtirlitz [24]
3 years ago
13

A circle has a circumference of 16π. What is the radius of the circle?

Mathematics
2 answers:
oksian1 [2.3K]3 years ago
7 0
Radius = Circumference / 2π
r = 16π/2π
r = 8

In short, Your Answer would be 8

Hope this helps!
VashaNatasha [74]3 years ago
5 0

Answer:

8 units.

Step-by-step explanation:

As the given data is the circumference, we are going to use the circumference formula to find the radius.

C=2\pi r

where C is the circumference and r is the radius, then

16\pi=2\pi r

\frac{16\pi}{2\pi} = r

8 = r

Then, the radius of the circle is 8 units.

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The Art Club decided to sell t-shirts in order to pay for their field trip to a nearby museum. They started with 460 t-shirts an
blondinia [14]
Step by Step Answer:
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The Art Club sold 414 shirts.
4 0
3 years ago
Represent the geometric series using the explicit formula.
Dennis_Churaev [7]

The correct answer is:

b.) f(n) = 3 • (-2)^(n-1)

Further explanation:

Given sequence is:

3, -6, 12, -24, ...

We have to find the common ratio first.

Common ratio is the ratio between two consecutive terms of a geometric sequence.

It is denoted by r.

So,

Here,\\a_1=3\\a_2=-6\\a_3=12\\a_4=-24\\r=\frac{a_2}{a_1}=\frac{-6}{3}=-2\\\frac{a_3}{a_2}=\frac{12}{-6}=-2

General formula for geometric sequence is:

a_n=a_1r^{n-1}\\Here\\a_n\ is\ the\ nth\ term\\a_1\ is\ the\ first\ term\\and\\r\ is\ common\ ratio

Putting the values of a1 and r

a_n=3.(-2)^{n-1}\\f(n)=3.(-2)^{n-1}

Hence,

The correct answer is:

b.) f(n) = 3 • (-2)^(n-1)

Keywords: Geometric Sequence, Explicit formula

Learn more about geometric sequence at:

  • brainly.com/question/2048256
  • brainly.com/question/2115122

#LearnwithBrainly

7 0
3 years ago
Complete the equation of the line through (6,−6) and (8,8)
vlabodo [156]
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y:mx+c
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y:7x-48
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o-na [289]

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Step-by-step explanation:

5 0
3 years ago
Turn 5/7 into its smallest form
DiKsa [7]

Answer:

5/7

Step-by-step explanation:

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2 years ago
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