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

a builder buys 24.5 acres of land to develop a new community of homes and parks the builder plans to use 0.25 of the land and park how many acres will he use fo

if x is a positive integer then the solution set of 4x+2<14 is

Sam is a high school student struggling with a cocaine addiction. He has had many dangerous health issues, decreased academic success, and legal troubles as a r

Mr ramirez bought 1/4 pounds of cashews he divided the cashews equally with 3 childern. how many cashews did each children get

What is the difference between alternating current and direct current? A. Alternating current regularly reverses direction. Direct current flows in only one dir

what is the period of a cosine and sine function

Which empire was captured by francisco pizarro?

After the Hellenistic civilization came to an end, A(its achievements were wiped away by Roman advancements. B(it affected European arts and culture for thousan

How do members of congress use caseworkers to keep in touch with people in their home states and districts?

Carbohydrates are built up from their basic building blocks by the