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
Shtirlitz [24]
3 years ago
13

How do i solve for A=1/2πr2 (for π)

Mathematics
2 answers:
astraxan [27]3 years ago
8 0

Answer:

2A/r^2 = pi

Step-by-step explanation:

A=1/2πr^2

multiply each side by2

2A = 2*1/2 pi r^2

2A = pi*r^2

divide each side by r^2

2A/r^2 = pi r^2/r^2

2A/r^2 = pi

jek_recluse [69]3 years ago
5 0

Answer:

Step-by-step explanation:

2A/7

You might be interested in
Bette had 280 kilograms of bolts and put the same amount into each of 8 boxes. How
Elenna [48]

Answer:

35

Step-by-step explanation:

You have to divide 280 by 8 and that's how you get it.

4 0
3 years ago
Two positive integers between 51 and 999 are both rounded to the nearest hundred. If these two numbers are multiplied together,
lesya [120]

Answer:

the answer is K . the product of 51 and 999 is 50949 and 5 is greater than 0.

3 0
3 years ago
With a headwind, a plane traveled 390 mi in 1.5 h. Let x represent the plane’s speed (excluding wind speed) and let y represent
VMariaS [17]
The equation is ............... (it needed to be so many characters long)  
390/1.5 = x - y
5 0
3 years ago
A variable needs to be eliminated to solve the system of equations below. Choose the
notsponge [240]

Answer:

x=-2

y= 8

Step-by-step explanation:

Given data

10x – 2y = -36-----------1

7x – 2y = -30--------------2

-Subtract to eliminate y

3x-0= -6

3x= -6

x= -6/3

x= -2

Put x= -2 in

7(-2)– 2y = -30

-14-2y=-30

-14+30=2y

16=2y

y= 16/2

y= 8

8 0
3 years ago
10 cm
densk [106]

Answer:

Answer is 264 cm^2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Other questions:
  • A king wanted to reward his adviser,a wise man of the kingdom.so he asked the wiseman to name his own reward.the wiseman thanked
    12·1 answer
  • Please do 41 and 46. Please show your work and explain how you did it. Thank you!
    11·2 answers
  • Where do you you plot -1.5,0 on a coordinate plane
    5·1 answer
  • PLEASE HELP AS SOON AS POSSIBLE!!!​
    12·1 answer
  • Am confused plz help
    14·1 answer
  • What is the end behavior of f(x) = (x − 3)2(x + 5)(x − 2)3?
    15·1 answer
  • ABCD is a parallelogram with coordinates A(4, 2), B(3, −1), C(−1, −1), and D(−1, 2). To prove that ABCD is a parallelogram, you
    8·1 answer
  • Of all the children who attended the party,40% were boys.40% of the boys and 60% attending the party eat ice cram what percent o
    15·1 answer
  • Very easy question I will mark you brainliest
    15·1 answer
  • Find the missing side length simplify ur answer<br> (Explain ur work)
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!