atzirymartinez119 atzirymartinez119

03-06-2020
Mathematics

contestada

Determine the center and radius of the following circle equation:
x2 + y2 - 4x + 20y + 55 = 0

Respuesta :

05-06-2020

Step-by-step explanation:

x2 - 4x +4 -4 + y2 + 20y +100 -100 + 55=0

(x-2)2 + (y+10)2 =49

center:(2,-10)

r=7

Answer Link

Otras preguntas

How was the Grand Canal central to the reunification of China in the 7th century and to its continued development through the 12th century?

The time value of money theory consists in four beliefs: (1) Investment risk is important; (2) money today is worth more than money tomorrow; (3) inflation must

how does eating a balanced diet help maintain homeostasis in biology

Question 1 (4 points) Define independent variable, dependent variable, and control variable. Give an example of each in a hypothetical experiment

Some groups of people are particularly vulnerable. (Check all that apply) [mark all correct answers] a. Homeless youth b. Girls under the age of 19 c. Victims o

Baby Elizabeth has a low activity level, is somewhat negative, and displays a low intensity of mood. She would best be described as _______.

The religious beliefs of this period emerged as a result of the blending of aryan and dravidian traditions and significant developments in the later vedic age.

The 240 V air conditioning motor at a residence is rated at I hp with a power factor of 0.65 (lagging). Determine the equivalent (a) impedance and (b) admittanc

In a unitary government, the lines of responsibility are clear. Is this an advantage or disadvantage during an event of nature?

What is the value of a in the equation 5 a minus 10 b equals 45, when b equals 3?