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
Makovka662 [10]
3 years ago
13

What is the area of a circle that has a diameter of 18"?

Mathematics
2 answers:
lubasha [3.4K]3 years ago
7 0
Since the formula for the area of a circle is Pi x r squared, the area would be 81 x Pi (you teacher may want you to use Pi as 3.14 or put it in your calculator).
Xelga [282]3 years ago
6 0
R=9 but the sun is 254.469
You might be interested in
2.
jeka94
She’ll need 18 eggs.

2 eggs = 12 (dozen) muffins

108 muffins (needed) / 12 muffins

= 9 groups of 12 muffins

so therefore 2eggs x 9 groups of muffins = 18 eggs
4 0
3 years ago
Read 2 more answers
Uh help it has to e same answers for all liek yk?
Finger [1]

Answer:

x = 8/3

Step-by-step explanation:

6x + 4 = 3x + 12

3x + 4 = 12

3x = 8

x = 8/3

5 0
3 years ago
A student is standing a distance of 4 m from the school bell. If the student moves to a distance 20 m away, what fraction of the
Neporo4naja [7]

Answer:

Fraction=1/5=0.2

Step-by-step explanation:

If the student is 4m away from the school bell and moves 20m away, it means that he is 5 times more distant from the school bell and therefore should listen 5 times less, that is, 1/5 of the original sound.

Note: this as long as the initial environment conditions of 4m are the same at 20m

6 0
3 years ago
How do you find the r?
Anna35 [415]
Use the formula (zy)i<span> = (y</span>i<span> – ȳ) / s </span>y<span> and calculate a standardized value for each y</span>i<span>. Add the products from the last step together. Divide the sum from the previous step by n – 1, where n is the total number of points in our set of paired data. The result of all of this is the correlation coefficient </span>r<span>.</span>
8 0
3 years ago
What are the coefficients in the expression, 2 + 6 + 10b – 8a?
jolli1 [7]

Answer: 10 and 8

Step-by-step explanation: A coefficient is the number that comes before the variable. I hope this helps :)

5 0
3 years ago
Read 2 more answers
Other questions:
  • Which is the best definition of an exterior angle of a triangle
    6·1 answer
  • A square garden has an area of 12.25 square meters what is the perimeter of the garden?
    7·1 answer
  • The triangle on the grid will be translated two units left.
    9·2 answers
  • A metallurgist wants to make 130 grams of an alloy that is to be 20% copper. She has samples that are 14% copper and 22% copper.
    8·1 answer
  • Complete the table for the given rule. Rule: y=x-1/4
    15·1 answer
  • 6 + 5y - 4y + 10 + 3x - X
    5·2 answers
  • The following 5 keys are for the following 5 locked padlocks. Each key opens one and only one padlock. Different keys open diffe
    6·1 answer
  • PLZZZ HELPPPP ILL MARK BRAINLIEST TO FIRST AND CORRECT ANSWER THAT HAS WORK AND A THX TO SECOND AND CORRECT ANSWER.
    13·1 answer
  • Help me with this as well i am struggling
    8·1 answer
  • Identify a ray in the following figure. WILL MAKE BRAINLIEST
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!