tstillenspdriti tstillenspdriti

20-08-2018
Mathematics

contestada

Find the radius of the circle whose equation is x² - 10x + y² - 10y = -1 a)1 b)7 c)49

Respuesta :

20-08-2018

After completing the square, the right side of the equation is always the radius squared, so you just need to square root the right side.

(x - 5)² + (y - 5)² = 49

Square root of 49 = 7.

Your answer is 7.

Answer Link

Otras preguntas

Please answer this really fast. The linear factors (2x+3) and (3x-1) can be rewritten as a standard form trinomial in the form ax^2+bx+c. Find the product of a

Please help! Find the equation of the line and I will mark as brainliest IF answer is right. <3

Kevin is 6 years older than Timothy. 4 years ago, Kevin was twice as old as Timothy. Find their present ages. pls show how to do it.

inverso aditivo de +3x

whats the simplest mole ratio of Oxygen? I'll give brainliest if you can help.

what it 6x8 divide by 5.2x24 divide 7

Kilo worked his 40 regular hours last week, plus 8 hours at the time-and-a-half rate. His gross pay was $585. What was his hourly rate?

Which of the following expressions is incorrect? |-12| = 12 |12| = 12 -|-12| = -12 -|12| = 12

A(n) _____ is the highest educational degree available at a community college. specialist's bachelor's associate's master's (associate's)

Which of the following statements is…..?