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
Rzqust [24]
3 years ago
7

What is the area of a circle, if it's radius is 2cm?

Mathematics
1 answer:
slega [8]3 years ago
8 0
25.13cm^2 or 8pi. The radius of a circle is 2 x pi x r^2. R is the radius. 2 x pi x 2^2cm -> 2 x pi x 4cm -> 8cm x pi -> 25.13cm^2. Leaving the answer in terms of pi would be 8pi.
You might be interested in
The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error . Round your answer, if appropri
allochka39001 [22]
The answer to this question is a simple one.
First, you need this formula :
 <span>(<span>x0 </span>+ dx<span>)^2
You need to substitute the values of the formula
Then,.
</span></span><span>(dx)^2 = (0.06)^2

So the answer to this question is .0036

I hope my answer helped you in somehow. </span>
3 0
3 years ago
Mr. Mike dropped a 5Kg metal ball and and a 1Kg regular basket ball from 6m height. This demonstration conducted in a perfect Va
Alika [10]

Answer:

ist c both will reach at the same time.

6 0
3 years ago
Read 2 more answers
A ship is 7 miles west and 12 miles south of a harbor. What bearing should the captain set to sail directly to harbor
Butoxors [25]

Answer:

19

Step-by-step explanation:

just add

5 0
3 years ago
Cho f(t)=(t-4)u(t-2)phep bien doi laplace la<br> F(s)=e^-2s/s^2-2e^-2s/s62
FinnZ [79.3K]

Step-by-step explanation:

cho f(t)=(t-4)u(t-2)phep bien doi laplace la

F(s)=e^-2s/s^2-2e^-2s/s62

4 0
3 years ago
Help please!
bagirrra123 [75]

(d):  y = mx+n

m = -2/3 ⇒ y = (-2/3)x +n

A(-4,  6) ∈ d  ⇒ 6 = (-2/3)·(-4) +n ⇒ 6 = 8/3 +n ⇒

⇒ n = 6 - 8/3 ⇒ n = 10/3

Now, we have:

y = (-2/3)x +10/3


6 0
4 years ago
Other questions:
  • lenox ironed 1/4 of shirts over the weekend,she plans to split remainder of work equally over the next 5 evenings. what fraction
    11·1 answer
  • Algebra questions^^^^^^
    11·2 answers
  • What is the value of x? If sin (8x - 18)º = cos (5x + 4)°
    10·1 answer
  • Five less than a number is more than twenty
    9·1 answer
  • What is the next letter? Y B W D U F
    12·1 answer
  • $1000 is invested in an account at interest rate r=0.045, compounded continuously. Find the time required for the amount to doub
    14·1 answer
  • Use the figure shown below to find the value of x
    13·1 answer
  • Colin invests £5000 into his bank account.
    9·1 answer
  • What is the scale factor of the dilation applied to Δ DEF to produce Δ D'E'F'? (Hint: Does it get bigger or smaller?
    6·1 answer
  • 2. Cameron worked 8 hours at the coffee shop. He earned the same amount in tips and wages each hour. At the end of his shift, Ca
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!