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
Marrrta [24]
3 years ago
7

How did they get that answer? please answer

Mathematics
1 answer:
OverLord2011 [107]3 years ago
3 0

Answer:

Look at my explanation

Step-by-step explanation:

The circumference of a circle is 2πr, so you can set it up like this since the circumference was 22π.

2πr = 22π

divide both sides by 2

πr = 11π

divide both sides by π

you get r = 11

So your radius is 11.

To find the area, you must do πr^2 ("^2" means squared)

if you substitute 11 for r you get

11π^2

you can do 11 squared first

11^2 = 121

the area of the circle = 121π

Keep in mind that they said to use 3.14 for π

so you can do 121 x 3.14

Final Answer: 379.94

You might be interested in
Solve for the value of r.<br> r =
Kay [80]

Answer:

r=8

Step-by-step explanation:

45=6r-3

48=6r

r=8

3 0
3 years ago
Jerry can frame a room in 1 hour, while Jake takes 4 hours. How long would it take for them to frame a room working together?
Anon25 [30]

Answer:

45 minutes

Step-by-step explanation:

If two people work together, the time it takes to frame will obviously be shorter. Since Jake Takes four times longer, he will only cut off a fourth of Jerry's time. Which is 15 mins. 60 mins - 15 mins = 45 mins.

4 0
4 years ago
What is $17.50 with a 7% sales tax
GenaCL600 [577]
Your legendary answer iiiiiiiis... $18.73. Have a nice day!! >u<
5 0
4 years ago
Read 2 more answers
PLEASE ANSWER + BRAINLIEST!!!
anzhelika [568]
It's C : sinA = h/c
6 0
4 years ago
Read 2 more answers
A jar of coins contains 6,245 pennies.<br> What is 6,245 rounded to the nearest<br> hundred?
alexgriva [62]
6,200 is the answer

5 and above give it a shove four and below let it go
7 0
4 years ago
Other questions:
  • Pls help with this for brainliest answer
    14·2 answers
  • Raul is paid $586.32 biweekly. What is his yearly salary?
    13·2 answers
  • Answer please as best as u can it will help a lot<br> thanks
    10·1 answer
  • The y-intercept of the line whose equation is 7x - 4y = 8 is <br> 7/4<br> 8 <br> -2
    15·2 answers
  • Ally and Christian bought 4 pounds of mulch and 2 pounds of seed for the garden how many ounces of these products did they purch
    5·2 answers
  • Can anybody please help me get the answer or help me understand how to do this
    7·1 answer
  • Use the diagram to answer the question.
    10·1 answer
  • Evaluate (y - 9) + (3 + x), when y = 15 and x = 5​
    8·1 answer
  • Find the area and circumference for 1 and 2.<br> 5. A<br><br><br> 1.<br> 14 yd<br> 6.
    14·1 answer
  • Find the magnitude of the vector that begins at (1,1) and ends at (-8,12).
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!