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4 years ago

Find the circumference and area of a circle with diameter 12 ft. Express your answer in terms of pie

Mathematics

1 answer:

xz_007 [3.2K]4 years ago

4 0

Answer:

Circumference: 12π

Area: 36π

Step-by-step explanation:

The equation for the circumference of a circle is:

C = πd

Where C is the circumference and d is the diameter. Knowing this, we will be able to find the circumference by pugging in 12 for d.

C = 12π

And now we have found the circumference of the circle.

The equation for the area of a circle is:

A = πr²

Where A is the area and r is the radius. Remember that the diameter is double the radius, so we can find the radius:

12 = 2r

r = 6

Now that we know r, we can find the area of the circle:

A = π(6)²

A = 36π

Now we have found the area.

So the circumference is 12π and the area is 36π.

I hope you find my answer and explanation to be helpful. Happy studying.

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a cashier has a total of 26 bills made up of tens and hundreds the total value is 1610 how many hundreds and tens does she have?

jeyben [28]

Let the tens be x.

Therefore the hundreds will be (26 - x).

Since they both total to 26. x + (26 - x) = 26

10*x + 100*(26 - x) = 1610

10x + 2600 - 100x = 1610

10x - 100x = 1610 - 2600

-90x = -990

x = -990/-90

x = 11.

So the 10s are x =11, the 100s are (26 -11) = 15

11 tens bills and 15 hundred bills.

5 0

3 years ago

Which statement is true? O A. The number 23 is prime, but 36 is composite. B. The number 33 is prime, but 42 is composite. OC. T

IRINA_888 [86]

Answer: A. The number 23 is prime, but 36 is composite.

=====================================================

Explanation:

Let's go through the possible answer choices

A) This is true because 23 only has the factors 1 and 23. So that's why 23 is prime. We can say 36 is composite since 2 is a factor, ie 36 = 2*18.
B) This is false because 33 is not prime. Note how 33 = 3*11, showing that 3 is a factor of 33.
C) Similar to B, the statement "21 is prime" is false. Note how 21 = 3*7.
D) Like the other false statements, 27 is not prime because 27 = 3*9.

3 0

3 years ago

Construct a polynomial function with the stated properties. Reduce all fractions to lowest terms. Second-degree, with zeros of −

Flura [38]

Answer:

Step-by-step explanation:

Hello, because of the end behaviour it means that the leading coefficient is negative so we can construct such polynomial function as below.

$\large \boxed{\sf \bf \ \ -(x+7)(x-6) \ \ }$

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

3 0

3 years ago

Keiko, aldo, and henry sent a total of 50 text messages during the weekend. aldo sent 2 times as many messages as henry. keiko s

Lady_Fox [76]

K + a + h = 50
a = 2h
k = h - 10

(h - 10) + 2h + h = 50
4h - 10 = 50
4h = 50 + 10
4h = 60
h = 60/4
h = 15 <=== Henry sent 15

a = 2h
a = 2(15)
a = 30 <=== Aldo sent 30

k = h - 10
k = 15 - 10
k = 5 <=== Keiko sent 5

8 0

4 years ago

Match the following fraction with its equivalent decimal

Gre4nikov [31]

Answer:

2/3 --> 0.6667

7/12 --> 0.5833

8/13 --> 61.54%

12/17 --> 0.7059

Step-by-step explanation:

8 0

4 years ago