alanraysiii alanraysiii

25-03-2020
Mathematics

contestada

Find the center and the radius of the circle

x^2-8x+2y=-y^2+19

Respuesta :

amna04352 amna04352

26-03-2020

Answer:

Centre: (4,-1)

Radius: 6

Step-by-step explanation:

h = -8/-2 = 4

k = 2/-2 = -1

4² + (-1)² - (-19) = r²

r² = 36

r = 6

Answer Link

Otras preguntas

HELP! 1. A voter believes that the country should have universal healthcare for all, including the poor and unemployed, although others believe that this would

what is the area of the shaded part of the circle? you don't have to explain if you don't want to.

The question is -x^2+18x-75. I know that first you need to find the axis of symmetry but I am not sure how to use the formula -b/2a in this equation??

What is the difference between Zeus and Jesus?

What's the verb to describe: A's growth rate is higher than B? Like "outnumber" for A is more than B. I check the dictionary seems that "outgrowth" doesn't fit

Keitaro buys a hat that is on sale for 15% off. He says that that total amount he will pay will be equal to 75% of the regular price of the hat. Is he correct?

Programming terms!!Please need help!!!

Help with 1,2,3,4 image attached! Please explain ❤️ I will give thanks

How to focus and concentrate better for exams ?

Why might people outside of Latin America want to preserve the Amazon Basin ?