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

? Question Select the correct answer. Are these elements grammatically similar? when you leave leaving Review the terms C. Yes No

Estimate the solution to the system of equations. y = -x + 2 y = 3.2 - 4

true or false2. Menu Bar is a horizontal bar located at the top of a window, bearing theof the program and typically the name of the currently active document3.

2d character or 3d what u guys pickin?

which polynomials are in standard form?

Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 13)(0,13) and (3, 832)(3,832).

1. What is the probability of rolling a 4 on a number cube and flipping tails on a coin? 2. Event A: Spinner #1 lands on red. Event B: Spinner #2 lands on yell

Pls help this is my last problem and I need to pass this class?!?

How have racial discrimination change and improved since the time of Lyman t . Johnson ?

A dress with a regular price of $60 is on sale for 20% off the regular price. Lisa has a coupon for an additional 10% off the sale price. What is the price of t