alanis1929 alanis1929

08-06-2020
Mathematics

contestada

What is the radius of the circle whose equation is x2 + y2 = 9?
81
3
9

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

08-06-2020

Answer:

3

Step-by-step explanation:

x^2 + y^2 = 9

The equation of a circle is

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

( h,k) is the center and r is the radius

x^2 + y^2 = 3^2

The radius is 3

Answer Link

Otras preguntas

A cooking club has 12 members. How many ways can they select a president and vice president from among the members? A. 22

Keisha read twice as many books as Ben read. Subtracting 4 from the number of books Keisha read and dividing by 2 gives the number of books Sheldon read. Sheldo

how long can a lightning last

Plants use nitrogen to make proteins. What is present in the soil that makes nitrogen directly available to plants? A. Air B. Water C. Sugars D. Bacteria

If -nx^3 + tx + c = 0, what is x equal to?Never mind, found it.

Jerry bought a bottle of perfume for a gift for his wife. The perfume cost $92 before tax. If the total price including tax was $98.90, find the tax rate.

what did the comanche hunt

help factor n^2-10n+24

A catering service offers 12 appetizers, 9 main courses, and 7 desserts. A banquet chairperson is to select 8 appetizers, 8 main courses, and 6 desserts for a b

50 grams of acetic acid C2H4O2 are dissolved in 200 g of water. Calculate the weight % and mole fraction of the acetic acid in the solution