SpookyDolly
SpookyDolly SpookyDolly
  • 02-05-2017
  • Mathematics
contestada

the equation of a circle centered at the origin is x^2+y^2=64.what is the radius of the circle?
A.32
B.8
C.4
D.64

Respuesta :

mreijepatmat
mreijepatmat mreijepatmat
  • 03-05-2017
EQUATION OF A CIRCLE = (x-h)² + (y-k)² =r²

In this case, since the center of the cercle is in O, then h=0 & k=0

x²+y² = 64
Answer Link
mohawklover97
mohawklover97 mohawklover97
  • 03-05-2017
the answer is 8, i thought it was 4 but my apex class said 8 was the correct answer.
Answer Link

Otras preguntas

What is the asymptote of this function? A) x=3 B) y=3 C) x=4 D) y=4
A Japanese worker can produce 6 units of steel or 3 televisions per hour. A Korean worker can produce 8 units of steel or 2 televisions per hour. Plot the produ
Make an argument for a "critical period" in language acquisition.
Find the sum of the arithmetic series
what is peacekeeping force?​
Can i still be a singer without picking Music GCSE?​
Priya is stacking building blocks to make a tower. She takes a break when the tower is feet tall, which is of the height of the tower she wants to build. How ta
Help Please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELP
PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELPPPPPPP I WILL GIVE BRAINLIESTTTTTTTTTT!!!!!!!!!!!!!!!!!!!!!PLSSSSSSS HELP