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

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

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 x- intercept and y-intercept for 3x-y=-6

All of the following are factors that occur during the self-reflection phase of self-regulation except __________. A. self-judgment B. self-planning C. self-rea

Which will result in a difference of squares? (–7x + 4)(–7x + 4) (–7x + 4)(4 – 7x) (–7x + 4)(–7x – 4) (–7x + 4)(7x – 4)

5. Which of the following policies represents current American foreign policy? (1 point) isolationism nation building containment international cooperation

Government that owns business and is ruled by a dictatorship

African elephants flap their large ears to cool off. Which biology theme does this phenomenon represent?

Choose the answer that correctly completes the sentence. Él __________ astronauta. somos es eres soy

what is the answer to 35=-7[z+8]

John's only form of exercise is stretching. He is joining the military and heading off to boot camp in two months. The recruiter has advised him to be in good p

What do gradualism and punctuated equilibrium have in common?