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

arrange0.2,¼,30%,10%in ascending and descending order

The price of a car has been reduced from $16,500 to $11,055. What is the percentage decrease of the price of the car?

PLS HELP ME ON THIS QUESTION I WILL MARK YOU AS BRAINLIEST IF YOU KNOW THE ANSWER!! Find the interquartile range of the data set that consists of 3, 11, 4, 3, 1

what is meant by the term "boiling point of water"

Attending a football game with limited food choices is an example of how your _________ can impact your eating habits. culture environment family friends

Need help someone knows the answer

What was Captain Cook's role in the First Fleet?

Find the diameter of a circle if the area is 153.86m2. Use 3.14 for pi.

Which type of checking account pays interest on the mean balance of the account during a particular cycle? A. Free account B. Cost-per-check account C. Minimum

⅔ parts of the earth surface is covered with water.i) Express it in persent. ii) How many percent in the continental part?