Find the center and radius of x squared plus y squared plus 2 x minus 10 y plus 10 equals 0.

Center is (-1, 5) and radius = 4.

Step-by-step explanation:

x^2 + y^2 + 2x - 10y + 10 = 0

This is a circle. The first thing is to complete the square:

x^2 + 2x + y^2 - 10y = -10

(x + 1)^2 - 1 + (y - 5)^2 - 25 = -10

(x + 1)^2  + (y - 5)^2 =  16     Comparing this to the standard equation:

(x - h)^2 + ( y - k)^2  = r^2

- we see that the center (h, k)  is (-1, 5) and the radius r = 4.

(x +1 )^2 + (y - 5)^2 = -10+

they used 313 gallons of paint

explanation:

infrared radiation has wavelength in the range between 700 nm and 1 mm. lets' convert these values into scientific notation, keeping in mind that:

let's start from the lower value, we have:

(we moved the dot two places to the left, so we increased the exponent by 2 units, from -9 to -7)

the higher value is:

so, the range of wavelength of infrared radiation is: