fatherbamboo fatherbamboo

14-02-2019
Mathematics

contestada

What is the diameter of the circle given by the equation (x + 7)2 + (y + 2)2 = 121?

A.
22
B.
33
C.
11
D.
5.5

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

14-02-2019

Answer:

A.

22

Step-by-step explanation:

The equation of the circle is written in the form

(x-h)^2 + (y-k)^2 = r^2

So

(x + 7)2 + (y + 2)2 = 11^2

The radius is 11

The diameter is twice the radius, so the diameter is 2*11 =22

Answer Link

Otras preguntas

What must happen for carbon dioxide to sublimate at a given pressure ?

What is the area of the trapezoid shown? The figure is not drawn to scale. 284.31 in.² 303.75 in.² 568.62 in.² 607.5 in.2

Julian is working on a project that requires regular updates on the amount of work completed and deadlines achieved in a day. julian and all other team members

Which are characteristics of the preoperational stage of cognitive development most associated with Preschoolers (3 - 6 years of age)

Read the excerpt from "The Players." But when you really love something, you follow it wherever it leads you, even through jagged landscapes. You follow it even

Metal objects, such as knifes or bullets, that come into contact with bones can leave trace evidence on them. O True O False

write an equation using x and y to represent the hanger.

How does the walk to the well-house affect what happens next? Keller understands that she can manipulate her teacher to take a break from lessons by acting out.

When intelligence test scores are used to make decisions about young children, developmentalists generally agree that:

The Townsville blood bank is desperately in need of blood donors. Which student would MOST likely contribute to the blood bank if asked