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
Mariana [72]
3 years ago
9

Calculate the area of a circle with radius of 2 cm

Mathematics
2 answers:
Volgvan3 years ago
7 0
Area= π × r²
<span>
π  = 3.14</span>
3.14 x 2²
<span>3.14 x 4 
</span>
Area ≈ 12.56
Mariulka [41]3 years ago
6 0
A = pi × r²

3.14 x 2²

3.14 x 4 

A = 12.56636 ≈ 12.56
 
hopefully this helps u and if u know the formula to solve it, it is super easy

You might be interested in
Find the indicated side of the<br> triangle.<br> b<br> 7<br> 45°<br> a<br> b = [?]VO
vodka [1.7K]

Answer:

7√2

Step-by-step explanation:

Thank to the give angle we can say that the two legs are congruent

b = \sqrt{7^2 + 7^2} = \sqrt{49+49} = \sqrt{98}

98/2 = 49

49/7 = 7

7/7 = 1

98 = 7^2 x 2

√98 = 7√2

8 0
3 years ago
WILL MARK BRAINLIEST IF BOTH CORRECT!! PLEASE ANSWER!! 6TH GRADE MATH NYC??
fenix001 [56]

Answer:

19. c 20.b

Step-by-step explanation:

5 0
3 years ago
In a normal distribution, what is the probability that a data value will fall below the 
Serga [27]

Answer:

A 99.96%

Step-by-step explanation:

The z score shows by how many standard deviations the raw score is above or below the mean. The z score is positive if the raw score is above the mean while the z score is negative if the raw score is below the mean. The z score is given by:

z=\frac{x-\mu}{\sigma} \\\\where\ z=z-score,\ x=raw\ score,\mu=mean, \ \sigma=standard\ deviation\\\\For\ a\ sample\ size(n):\\\\z=\frac{x-\mu}{\sigma/\sqrt{n} }

The probability can be gotten from the normal distribution table. Therefore from the normal table:

P(z < 3.37) = 0.9996 = 99.96%

8 0
2 years ago
When Anna was born 16 years ago, her small town of Lewisville had a population of 15,000. The population has increased 11% each
Alex17521 [72]
15.000 ÷ 100

150 = 1%

1650 = 11%

1650 x 16 = 26.400

26.400 + 15.000 = 41.400

So 41.400 is the population number now.
7 0
3 years ago
Y=6x-11 -2x-3y=-7 solve each system of equation by substitution
Anit [1.1K]

Answer:

(2, 1 )

Step-by-step explanation:

Given the 2 equations

y = 6x - 11 → (1)

- 2x - 3y = - 7 → (2)

Substitute y = 6x - 11 into (2)

- 2x - 3(6x - 11) = - 7 ← distribute and simplify left side

- 2x - 18x + 33 = - 7

- 20x + 33 = - 7 ( subtract 33 from both sides )

- 20x = - 40 ( divide both sides by - 20 )

x = 2

Substitute x = 2 into (1) for corresponding value of y

y = 6(2) - 11 = 12 - 11 = 1

Solution is (2, 1 )

5 0
3 years ago
Other questions:
  • the city park department is planning to enclose a play aea. one side of the area will be against an existing building, so no fen
    5·2 answers
  • Suppose H is in the interior of right angle JAK. The measure of JAH = (3x-8)º and the measure of KAH = (x+2)º. Find the measure
    11·1 answer
  • Quick what’s the answer???
    5·2 answers
  • Kx-bf=fy/m solve for y
    11·2 answers
  • Help! Give me the answer. I'll give the BRAINLIEST
    10·1 answer
  • Points Possible: 1, Points Correct: 0 Given the equation y = x + 9, what is the y -intercept?
    7·1 answer
  • g A restaurant offers 7 entrees and 11 desserts. In how many ways can a person order a two-course meal?
    5·1 answer
  • (x+6)(x+3) = x²+6x+3x+18<br> What’s the proof here ?
    8·1 answer
  • Which situation can be represented by the inequality x&lt; 56?
    8·1 answer
  • 16)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!