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
lyudmila [28]
3 years ago
14

The diameter of a circle is 18 cm what is its area in terms of pi

Mathematics
1 answer:
NikAS [45]3 years ago
3 0

Answer:

A = 81π cm²

Step-by-step explanation:

The formula for area of a circle is A = πr², where r is the radius.  The radius is half the diameter, so our radius for this problem is

18/2 = 9.    So the area is..

A = π(9²) = π(81)

  A = 81π cm²

You might be interested in
the average u.s. citizen throws away about 1,606 lb of trash each year. find this rate in pounds per month, to the nearest tenth
erik [133]

Answer:

The average U.S. citizen throws away about 133.8 pounds of garbage a month.

Step-by-step explanation:

First take the total amount of trash thrown away in a year (1,606), and divide it by the number of months in a year (12).

1,606 / 12 = 133.833333

You would get 133.833333 and would round it to the nearest tenth and get 133.8.

8 0
3 years ago
Read 2 more answers
Can someone seriously help me
ElenaW [278]

Answer:

<em>6 inches</em>

Step-by-step explanation:

The mode is the most frequently occurring number.

The mode of Martha's Fish is 21.

The mode of Jamie's Fish is 15.

21 - 15 = 6

The mode of Martha's fish is<em> 6 inches</em> longer than the mode of Jamie's fish.

8 0
2 years ago
I don't understand this i need help as fast as possible please
Tanzania [10]
1.89×4=7.56 7×2.49= 17.43
17.43+7.56=24.99
so d is your answer
4 0
3 years ago
Read 2 more answers
Please help.. I got stuck on this question please help and explain
Inessa [10]
Jay is wrong about his claim
8 0
3 years ago
Read 2 more answers
Write the word sentence as an equation. <br><br> The product of a number d and 7 is 63.
Nonamiya [84]
7d = 63

Product = multiply
7(d) is equal to 63
so 7d = 63
3 0
3 years ago
Read 2 more answers
Other questions:
  • I have no idea how to work out these problems please help
    9·1 answer
  • The distance (d) in meters that an ant can travel varies directly with the amount of time (t) in hours it spends walking.assume
    12·1 answer
  • Given the equation 6/x=3/k+2, and the constraints x ≠ 0 and k ≠-2, what is x in terms of k?
    12·1 answer
  • If a faucet leaks 7 oz of water per minute, how many gallons of water are wasted in a year? (128 oz/gallon)
    14·2 answers
  • Match the reasons with the statements in the proof to prove AB || DC , given that AD is parallel to BC and AD = CB .
    15·2 answers
  • Which logic statement represents this argument?<br><br> PLEASE HELP WILL MARK BRAINLIEST!!!
    7·2 answers
  • Marcus and Phillip are in the Robotics Club. They are both saving money to buy materials to build a new robot. They plan to save
    8·1 answer
  • What is the equation in point−slope form of the line passing through (2, 2) and (4, 8)?
    5·1 answer
  • What is the unit price of a granola bar if 8 granola bars cost $4.16
    8·2 answers
  • I need some help out with a question!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!