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kvv77 [185]
3 years ago
15

I don’t understand it

Mathematics
1 answer:
Alex17521 [72]3 years ago
3 0
Circumference= pi x diameter
diameter is half of the radius
i don’t have a calculator on hand so i can’t work it out, but those are the formulas
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Area of a circle with a circumference of 18.84
podryga [215]

Answer:

The area of a circle with a circumference of 18.84  is 28.26 units²

Step-by-step explanation:

Given:

Circumference = 18.84

Let R be the Radius of a Circle

pi = 3.14

To Find:

Area of Circle = ?

Solution:

We Know that,

Circumference = 2\pi Radius

Substituting the values we get the radius

18.84=2\times 3.14\times Radius\\\\18.84 = 6.28\times Radius\\\\\therefore Radius =\frac{18.84}{6.28} \\\\\therefore Radius = 3\ unit\\

Now Formula for calculating Area of Circle is given as

\textrm{Area of Circle} =\pi (Radius)^{2}

Substituting the Radius we get

\textrm{Area of Circle} =3.14\times 3^{2}\\\\\textrm{Area of Circle} =28.26\ units^{2}

The area of a circle with a circumference of 18.84  is 28.26 units²

7 0
3 years ago
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What is the mean of 10, 39, 71,39,76,38,25
Ghella [55]

Answer:

42.57

Step-by-step explanation:

Add all of the numbers together:

10+ 39+ 71+ 39+ 76+ 38+ 25=298

Divide by the total numbers that are there:

298÷7=42.57

Hope this helps ^-^

8 0
3 years ago
Kim wants to open a savings account, but the bank requires a $250 initial deposit. She breaks her
Korvikt [17]

Answer:

cool bro tbh

Step-by-step explanation:

8 0
3 years ago
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Helpppppppp me please
antiseptic1488 [7]

Answer:

b

Step-by-step explanation:

6 0
3 years ago
If you have a balance of 1,000 on your edit card and the interest rate is 17 3/4% a year in order to pay off the $100 in 5 years
ankoles [38]

Answer:

$2,263.63

Step-by-step explanation:

You start with "if" but don't end with what your goal is.  I will assume that you want to know how much you'll have to pay after 5 years to pay off this $1,000 loan.  

Use the compound amount formula A = P(1 + r)^5.  Replacing P with $1,000, r with 0.1775 and t with 5 years, we get the payoff balance

A = $1,000(1 + 0.1775)^5 = $2,263.63

6 0
3 years ago
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