ahaney4655 ahaney4655
  • 22-08-2022
  • Mathematics
contestada

What is the radius for a circle whose equation is x² + y² = 64?
A. 8
B. 16
C. 64
D. 32

Respuesta :

meredith48034
meredith48034 meredith48034
  • 22-08-2022

Answer:

Step-by-step explanation:

the radius for a circle √(64) = 8

answer is A

Answer Link
jimrgrant1 jimrgrant1
  • 22-08-2022

Answer:

A

Step-by-step explanation:

the equation of a circle centred at the origin is

x² + y² = r² ( r is the radius )

x² + y² = 64 ← is in this form

with r² = 64 ( take square root of both sides )

r = [tex]\sqrt{64}[/tex] = 8

Answer Link

Otras preguntas

Hypothetically, if a whole population was identical, could it evolve and why?
Please answer this correctly without making mistakes
Can somebody explain how to slove this (it’s not 9+6=15 btw) You start driving west for 9 miles, turn right, and drive north for another 6 miles. At the end of
Which amendments are known as the Reconstruction Amendments?
AREA OF CIRCLES HELP PLS​
If you place a 34-foot ladder against the top of a building and the bottom of the ladder is 25 feet from the bottom of the building, how tall is the building? R
classes of tilapia fish​
Carl and Sure are planning to buy a new home. They will both retire in 16 years and do not want to have a house payment at that time. Which offer should they ch
Olivia mistakes Sebastian for Cesario. Arrange the events in Twelfth Night in order from earliest to latest.
How would you explain these three security risks (phishing, keylogging, malware) to a family member? What would you say to help them understand the dangers?