The area of a circle is 9π ft². What is the circumference, in feet? Express your answer in terms of \piπ. (pi)

Answers

Answer 1

Answer:

6π feet.

Step-by-step explanation:

The area = π r^2 = 9π

So r^2 = 9π/π = 9

r = 3 ft.

So the circumference = 2πr

= 2*π*3

= 6π feet.

Answer 2

The circumference of a circle with radius 3 feet is 6π feet.

What are the area and perimeter of a rectangle?

We know the perimeter of any 2D figure is the sum of the lengths of all the sides except the circle and the area of a rectangle is the product of its length and width.

We know the perimeter or circumference of a circle is 2πr and the area

is πr².

Given, The area of a circle is 9π ft².

Therefore, πr² = 9π.

r² = 9.

r = 3.

Now, we have a circle with a radius of 3 feet.

So, The circumference of the circle with radius 3 feet is,

= 2π×3 feet.

= 6π feet.

So, The circumference of the circle is 6π feet.

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Related Questions

What are the factors of 26 (3 – c)?
26
b, C
2, b, (3 - c)
(3 – c)

Answers

Answer:

We're no strangers to love

You know the rules and so do I

A full commitment's what I'm thinking of

You wouldn't get this from any other guy

I just wanna tell you how I'm feeling

Gotta make you understand

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

We've known each other for so long

Your heart's been aching but you're too shy to say it

Inside we both know what's been going on

We know the game and we're gonna play it

And if you ask me how I'm feeling

Don't tell me you're too blind to see

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

No, I'm never gonna give you up

No, I'm never gonna let you down

No, I'll never run around and hurt you

Never, ever desert you

We've known each other for so long

Your heart's been aching but

Never gonna give you up

Never gonna let you down

Never gonna run around and desert you

Never gonna make you cry

Never gonna say goodbye

Never gonna tell a lie and hurt you

No, I'm never gonna give you up

No, I'm never gonna let you down

No, I'll never run around and hurt you

I'll never, ever desert you

Step-by-step explanation:

Steve measures his height as 175.5 cm. His actual height is 180 cm. What is the percent error in his measurement?

Answers

Answer: 180 is a 2.5641025641026% increase of 175.5.

7.Rob ran miles from his house to the park. He ran miles on the park trail, and then ran back home. How many miles did he run in all?

Answers

Answer:

okokokokokokokokokopop

What is the slope of the line?

no slope
1
0
-2

Answers

Answer:

0

Step-by-step explanation:

What one do I graph

Answers

Answer:

-2 goes on bottom line on -2 and -6 goes on left side on -6

Step-by-step explanation:

Justin drives 7.5 miles in 15 minutes. If he drove three hours in total at the same rate, how far did he go?

Answers

Answer:

Justin drove 90 miles in 3 hours.

Step-by-step explanation:

Given that:

Justin drives 7.5 miles in 15 minutes.

Speed of Justin = [tex]\frac{7.5}{15}[/tex]

Speed of Justin = 0.5 miles per minute

For speed in hours, we will multiply by 60

Speed of Justin = 0.5 * 60 = 30 miles per hour

Distance covered in 3 hours = 30 * 3 = 90 miles

Hence,

Justin drove 90 miles in 3 hours.

The total distance covered by Justin at the same rate is equal to 90 miles.

Given the following data:

Distance A = 7.5 milesTime A = 15 minutesTotal time = 3 hours

Conversion:

1 hour = 60 minutes

3 hours = 180 minutes

To determine the total distance covered by Justin at the same rate:

First of all, we would calculate the rate of Justin's speed as follows:

[tex]Speed =\frac{distance}{time} \\\\Speed =\frac{7.5}{15}[/tex]

Speed = 0.5 miles per min.

For the total distance:

[tex]Total\;distance = speed \times total\;time\\\\Total\;distance = 0.5 \times 180[/tex]

Total distance = 90 miles.

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The batter is on home plate, a pitch was tossed. The batter is 6 foot tall, he hits the ball 4ft above the ground. The ball lands 450 feet away from the batter. The max. height that the ball traveled was 100 feet, the max height occurred half of the distance between home plate and where the ball landed.

Answers

Answer:

45 feet

Step-by-step explanation:

The domain ofy = x-5 – 1 is

Answers

Answer:

6 i believe

Step-by-step explanation:

delete my question if im wrong:)

answer:

x > = 5

step-by-step explanation:

next couple questions :)

the range is - y > = -1

the graph of y = √x-5 -1 is graph d

Is the function y = 6x - 10

linear

Or

nonlinear

Answers

Answer:

Linear

Step-by-step explanation:

The correct answer is the function is linear

if the edge of a cube is 1 cm then which of the following is its volume
A. 6m3
B. 3m3
C. 1m3
D. 4m3
last number are the power

Answers

C hope this helps
Good luck

What are the
relationships among angles that are created
when a line intersects two parallel lines?

Answers

Answer:

angles

Step-by-step explanation:

trust me

The relationship between the angles created by the intersection of 2 parallel lines are solved

What are Parallel Lines Cut by Transversal?

Straight, equally spaced lines that never cross each other and are on the same plane are called parallel lines. The angles that are created when any two parallel lines are intersected by a line (referred to as the transversal) have a relationship. Corresponding angles, Alternate Interior Angles, Alternate Exterior Angles, and Consecutive Interior Angles are some of the several pairs of angles that are created at this intersection.

Corresponding angles

When two parallel lines are intersected by a transversal, the corresponding angles have the same relative position

Alternate Interior Angles

Alternate interior angles are formed on the inside of two parallel lines which are intersected by a transversal.

Alternate Exterior Angles

The pairs of angles formed on either side of a transversal that divides two parallel lines are known as alternate exterior angles.

Consecutive Interior Angles

When two parallel lines are cut by a transversal, the pairs of angles formed on the inside of one side of the transversal are called consecutive interior angles or co-interior angles.

Given data ,

Let the first line be represented as m

Let the second line be represented as n

Now , the lines m and n are parallel lines

And , let the transversal line be t , which intersects m and n

So , Alternate angles are equal

Corresponding angles are equal

Co-interior angles add up to 180°

Hence , the angles formed are solved

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5% times what equals 6.5

Answers

Answer:

0.325

5% = 0.05

6.5*0.05

0.5*0.05=0.025

6*0.05=0.3

0.3+0.025=0.325

Use the Distributive Property to solve the equation.

4x - 2(x - 3) = -4 + 5x - 5

show work

Answers

Answer:

x = 5

Step-by-step explanation:

1. Distributive Property

(Do what's in the parenthesis first)

4x - 2x + 6 = -4 + 5x - 5

2. Combine Like Terms

2x + 6 = -9 + 5x

3. Take away 6 on both sides

2x + 6 - 6 = -9 - 6 +5x

It will give u.....

2x = -15 + 5x

4. Subtract 5x on both sides

2x - 5x = -15

It will give u.....

-3x = -15

5. Divide by -3 on both sides to isolate the variable

-3x / 3 = -15/-3

Now you get....

x = 5

2 negatives make a positive

Thats ur answer

Hope this helped!

Triangle 1 is a scale drawing of Triangle 2, as shown below.


Based on the information shown in these triangles, what is the length of the side x?

Answers

7

6 / 4 = 1.5 so that means 6 / 1.5 = 4

now that we have that, 10.5 / 1.5 = 7

Answer:

its 7.

Step-by-step explanation:

A woman is ordering pizza for a party she can get 3 large pizzas for $26 at this rate what will 12 large pizzas cost?

Answers

Answer:104

Step-by-step explanation: if three pizzas cost $26 and you buy 12 pizzas so 4 X 26 = 104

help me with hanger math...

Answers

The answer is 3 First you subtract 2 from 17 and then you divide 15 by 5 to get the answer of 3

there are 800 ppl who 50% of them use english 30% use spanish 15% vianameese 5% other
how many people use each language?
(WORK whoever shows the best work gets brainiest reported if no work!)

Answers

Answer:

400 people english, 240 spanish, 120 vietnamese and 40 other

Step-by-step explanation:

50% is half of 800.

half of 800 is 400. 400 use english

to find 10 percent, you divide by 10. to find 30, you multiply that by 3.

80 times 3 is 240. 240 use spanish.

15 percent is 10 percent, which is 80, +40 because of the 5 percent

80+40 is 120. 120 use vietnamese.

5 percent is half of ten percent.

half of 80 is 40.

and it all adds up to 800

your welcome!:)

Answer:

English of the bat is just 400, because that is the half of 800

spanish - 240

vianameese - 120

other - 40

Step-by-step explanation:

to get the answered you just turn the percent into a decimal like 50%-0.5, 30%-0.3, 15%-0.15, and 5%- 0.05. Then you just multiply the decimal by 800. And the number you get is the amount of people!

Hope you get it

The equation d=3t represents the relationship between the distance (d) in inches that a snail is from a certain rock and the time (t) in minutes. How many minutes does it take the snail to get 9 inches from the rock?

Answers

so if d is distance then you plug in 9 for d because it’s the distance the snail will be from the rock and solve for t by dividing 9 by 3 which is 3 minutes.

WILL GIVE BRAINLIEST PLZ HELP

Is the second picture right? (the new line is the blue one)

Answers

AnsweIt should be right

Step-by-step explanation:

Explain what opposing position means.

Answers

Answer:

to fight against, counter, or resist strongly. to be hostile or antagonistic to; be against. to place or set in opposition; contrast or counterbalance. to place opposite or facing. to be or act in opposition

Answer:

Opposition (noun) The apparent relative of 2 celestial bodies when one is at angle of 180 degrees from the other as seen from the earth

Today Olivia has $127 in her savings account. She will deposit $5 into the account each week given x < 0 whitch function represents the amount in Olivias savings account after x weeks

Answers

Answer:

y = 127 + 5x

Step-by-step explanation:

Today Olivia has $127 in her savings account. She will deposit $5 into the account each week given x < 0

Let x = number of weeks Olivia deposits money.

y = Total pint of money that Olivia has in her account after x weeks

Hence, the function represents the amount in Olivias savings account after x weeks is ;

y = $127 + $5 × x

x < 0

y = 127 + 5x

Find the distance between each pair of points in the coordinate plane.
1. (0, 0) and (0, 3)
2. (0, 0) and (4, 0)
3. (0, 0) and (4, 3)
4. (0, 0) and (8, 6)

Answers

Answer:

1) 3 units

2)4 units

3) 5 units

4)10 units

Step-by-step explanation:

We can use the Distance Formula to find the distance between the two points given to us. The Distance Formula is for points (x1 , y1) & (x2 , y2) is

Distance = [ (x2 - x1)² + (y2 - y1)²]

1) (0,0) & (0,3)

⇒ Distance = √ [ (3-0)²+(0-0)² ]

⇒ Distance = √ [ 3² ]

Distance = 3 units .

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

2) (0,0) & (4,0)

⇒ Distance = √ [ (4-0)²+(0-0)² ]

⇒ Distance = √ [ 4² ]

⇒ Distance = 4 units .

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

3) (0,0) & (4,3)

⇒ Distance = √ [ (3-0)²+(4-0)² ]

⇒ Distance = √ [ 3²+ 4² ]

⇒ Distance = √ 9 + 16

⇒ Distance = √25

⇒ Distance = 5 units .

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

4) (0,0) & (8,6)

⇒ Distance = √ [ (8-0)²+(6-0)² ]

⇒ Distance = √ [ 8²+ 6² ]

⇒ Distance = √ 64 + 36

⇒ Distance = √100

⇒ Distance = 10 units .

Which graph represents the function f(x)=4⋅3X

Answers

Answer:

D.

Step-by-step explanation:

On a test with 40 questions, Sarah answered answered 38 correctly. Which proportion can be used to find the percent of question that Sarah answered
correctly?

Answers

Answer: Sarah got 95 percent on her test

Step-by-step explanation:

-9 Divided by -3+4:-1/4-20 divied 5=

Answers

i think the answer is  -19.25

Expand and simplify 2x(x-5)

Answers

Answer :

= 2x² − 10x

Step-by-step explanation:

= 2x(x − 5)

= (2x)(x + −5)

= (2x)(x) + (2x)(−5)

= 2x² − 10x

How to convert 0.5% to a decimal

Answers

Answer:

.005

Step-by-step explanation:

Move the decimal point to the left 2 spaces.

Answer:

.05

Step-by-step explanation:

All you have to do is move the decimal over to the left once!

I hope this helps, and have a great day! :)

1. A piece of wire that is 28 inches long is cut into two pieces, each of which is then bent into the shape of a square. The larger square has side lengths that are three inches longer than the smaller square.
(a) If x is the side length of the smaller square and y is the side length of the larger square, write a system of equations that models this scenario.
(b) Solve the system of equations and determine the lengths of the two pieces of wire.

Answers

Answer:

a)x+y=7 and y-x=3

b)x=2 and y=5

Step-by-step explanation:

The total of the two perimeters must equal 28. That is:

4x+4y=28

x+y=7 (simplified)

The larger side length is 3 inches longer than the smaller side length. That is:

y=x+3

Sub 'x+3' in for y:

x+(x+3)=7

x+x=7-3

2x=4

x=2

y=x+3

=2+3

=5

Based on a recent poll, there is a 50-50 chance that a randomly selected adult has pierced ears. Express the indicated degree of likelihood as a probability value between 0 and 1. Group of answer choices

Answers

Answer:

50/100 or 1/2

Explanation:

A 50-50 chance that a randomly selected adult has pierced ears means there's is a 50 percent probability of randomly selecting an adult that has pierced ears. In other words, there is half chance of selecting such an adult. A zero or one probability means there is either no possibility of selecting an adult with pierced ears or it is sure that a random adult would have pierced ears

Translate the image ( x + 5, y - 1 )

Answers

Answer:

In 1 at place the image is possible

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