1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
belka [17]
1 year ago
12

The circumference of a circle is 9 pi m. What is the area, in square meters? Express your answer in terms of pi​

Mathematics
1 answer:
Travka [436]1 year ago
5 0

Answer:

The circumference of a circle = 2πr = 9π inches

Or, 2πr = 9π

Or, r = 9/2

Or, r = 4.5 inches

The area of a circle = πr²

Or, The area of a circle = π×4.5×4.5

Or, The area of a circle = 20.25π square inches

Step-by-step explanation:

You might be interested in
Analyze this data, and match each percentage to the description it represents. Round your answers to the nearest whole number. 3
Aleksandr [31]

Answer:

(a)The percentage of hatchbacks that run on gasoline.=78%

(b) The percentage of diesel vehicles that are hatchbacks.=21%

(c)The percentage of SUVs that run on gasoline=30%

(d)The percentage of gasoline vehicles that are sedans=42%

(e)The percentage of sedans that run on diesel =44%

(f)The percentage of gasoline vehicles that SUVs.=8%

Step-by-step explanation:

This table gives information about vehicles sold at a dealership in a month.

------------------Gasoline-------Diesel

Hatchback------18---------------5

Sedan------------15---------------12

SUV----------------3----------------7

(a)The percentage of hatchbacks that run on gasoline.

Total Number of Hatchbacks=23

Number that run on Gasoline=18

Percentage that run on gasoline=(17/23)X100=78%

(b) The percentage of diesel vehicles that are hatchbacks.

Total Number of Diesel Vehicles=5+12+7=24

Number of Diesel Hatchbacks=5

Percentage of diesel vehicles that are hatchbacks=(5÷24)X100=21%

(c)The percentage of SUVs that run on gasoline

Total Number of SUVs=10

Number of Gasoline SUVs=3

Percentage of SUVs that run on gasoline=(3÷10)X100=30%

(d)The percentage of gasoline vehicles that are sedans.

Total Number of Gasoline Vehicles=18+15+3=36

Number of Gasoline sedans=15

Percentage of Sedans that run on gasoline=(15÷36)X100=42%

(e)The percentage of sedans that run on diesel

Total Number of Sedans=15+12=27

Number of Diesel Sedans=12

Percentage of sedan that run on diesel=(12÷27)X100=44%

(f)The percentage of gasoline vehicles that SUVs.

Total Number of Gasoline Vehicles=18+15+3=36

Number of Gasoline SUVs=3

Percentage of SUVs that run on gasoline=(3÷36)X100=8%

4 0
3 years ago
What is the 7th term in the sequence of square numbers?
12345 [234]

Answer:

49.

Step-by-step explanation:

To solve, you can simply list the square numbers in order...

1^2, 2^2, 3^2, 4^2, 5^2, 6^2, 7^2.

1, 4, 9, 16, 25, 36, 49.

Hope this helps!

5 0
3 years ago
Read 2 more answers
What is 2x squared plus 7x minus 15= 0
OverLord2011 [107]

Answer:

Step-by-step explanation:

The answer is 0

4 0
2 years ago
What are the solutions to 2(x-6)2 = 50 ?
yuradex [85]

Answer:

2(x-6)=50

x-6=50/2

x-6=25

x=31

4 0
2 years ago
Read 2 more answers
Solve 36x^2-22x=14x-9
frutty [35]

x=1/2


i hate the minimum word count

no one comes on here to learn how to do it, we come on here to get answers


4 0
3 years ago
Other questions:
  • How can x-(2/3)+(5/6) be solved for x in one step? Add (2/3) to both sides. Add (5/6) to both sides. Subtract (2/3) from both si
    13·1 answer
  • Forty is 25% of what number?
    11·1 answer
  • I need help quick with this question
    10·1 answer
  • Where would you place 7/2?
    11·2 answers
  • Does anybody know this? 1/2 divided by 4/7
    8·2 answers
  • Notebook cost $8.50 plus sales tax. After sales tax, The Notebook is $8.86. What is the sale tax rate?
    9·1 answer
  • The stopping distance for a boat in calm water is modelled by the function d(v) = 0.004v2 + 0.2v + 6, where d(v) is in metres an
    6·1 answer
  • What is the value of b in the equation below? 9^-8 x 9^-2 = a^b
    8·1 answer
  • 1 2/5 as a percent<br><br> Thanks
    7·1 answer
  • Can someone tell me the answer to this please I got this wrong on my first attempt .-.
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!