What is the length of a radius of the circle represented by the equation below? x2 + y2 - 4x – 4y + 4 = 0?

2

Step-by-step explanation:

Given the circle:

To determine the length of the radius, we complete the square.

Step 1: Subtract 4 from both sides

Step 2: Divide the coefficient of x and y by 2, square it and add it to both sides

Step 3: Factorize the Left Hand side and simplify the Right Hand side.

Comparing with the standard form of the equation of a circle

r=2

Therefore, the radius of the circle is 2.

3030 ur welcome

step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

happy to

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