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3 years ago

Find the radius of a circle with the given circumference. C = 6 π in. r = _____

Mathematics

2 answers:

barxatty [35]3 years ago

5 0

The answer is 3 as far as i know

vovangra [49]3 years ago

5 0

The formula for the Circumference of a circle is 2 x 3.14 (Pi) x R (or 3.14D).
Our current equation gives us C = 6Pi. This means that we have the diameter.
6 must be our diameter, as we already have Pi.

Since our formula states that we need 2 x R to make D, we must divide the diameter by 2 to get R.

6 / 2 = 3.

Your radius is 3in.

I hope this helps!

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What is the sum of the measures of the exterior angles of a decagon?

My name is Ann [436]

Answer:

360°

Step-by-step explanation:

The sum of the exterior angles of any polygon is 360°

sum of exterior angles of decagon = 360°

4 0

1 year ago

If a certain number of Grade IV students share 28 or 39 skill books in Mathematics,there are remainders of 4 and 3 books. What i

nadya68 [22]

Answer:

12 students

Step-by-step explanation:

<u>Below numbers are divisible by the number of students:</u>

28 - 4 = 24
39 - 3 = 36

24 = 2*2*2*3
36 = 2*2*3*3
GCF(24,36) = 2*2*3 = 12

The largest possible number of students is 12

7 0

2 years ago

Which of the following matches the graph of f (x) = 2(x – 1)2(x + 1)(x + 2)?

nadya68 [22]

Answer:

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6 0

2 years ago

An investment offers a simple interest rate of 3% per year.

Step2247 [10]

Answer:

sh 23000

Step-by-step explanation:

$i = \frac{prt}{100} = \frac{20000 \times 3 \times 5}{100} = 3000$

Amount = principal + interest = 20000+3000 = sh 23000

6 0

2 years ago

The area of a rectangle with 2 1/2 as the width and 10 feet as the length

Tanya [424]

The formula for the area of a rectangle is:
$A=wl$
w = width
l = length

First, we have to convert 2 $\frac{1}{2}$ into an improper fraction, then into a number. The improper fraction would be $\frac{5}{2}$ . Let's convert that into a decimal.
$5/2=2.5$

Let's multiply
$2.5*10=25$
The area of the rectangle would be 25 feet!

7 0

2 years ago