princessjenny187 princessjenny187
  • 15-04-2020
  • Mathematics
contestada

20. What is the equation of a circle with a center at (-4,-8) and a radius of 1.9?

Respuesta :

altavistard
altavistard altavistard
  • 17-04-2020

Answer:

(x + 4)^2 + (y + 8)^2 = 1.9^2 = 3.61

Step-by-step explanation:

the standard equation of a circle with center at (h, k) and with radius r is

(x - h)^2 + (y - k)^2 = r^2.  Here, (-4, -8) is (h, k) and 1.9 is r.

Then the desired equation is:

(x + 4)^2 + (y + 8)^2 = 1.9^2 = 3.61

Answer Link

Otras preguntas

Which is a common characteristic of extrusive igneous rock
Which resource is the main source of energy in the United States?
Balance the following reaction. A coefficient of "1" is understood. Choose option "blank" for the correct answer if the coefficient is "1". KI + Pb(NO3)2 → PbI2
A year is a leap year if it is divisible by 4. but if the year is divisible by 100, it is a leap year only when it is also divisible by 400.
What is the slope of the line that contains the points (-5,3) aNd (2,3)
How many types of cancer have been identified through research? a.50c.200b.100d.500
All angles are right angles this describes a parallelogram, rhombus, rectangle, or a square (there can be more than one answer
Find the area of a regular hexagon given the side length is 8 in. Leave your answer in exact form (with square root) and no decimals. (Use sq rt as the squa
What should an outline for an argumentative essay include? Check all that apply. 1) a statement that expresses the claim 2) reasons why the claim is correct 3)
what is the answer to this question??