12x-8=64 solve for x
2 answers:
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Answer:
The radius is r=5 units
Step-by-step explanation:
we know that
The equation of the circle in standard form is equal to
where
(h,k) is the center and r is the radius
we have
Convert to standard form
Group terms that contain the same variable, and move the constant to the opposite side of the equation
Complete the square twice. Remember to balance the equation by adding the same constants to each side
Rewrite as perfect squares
therefore
The center is the point (6,-3) and the radius is r=5 units
Answer:
Step-by-step explanation:
In a right triangle, the hypotenuse is always the longest side. Since AC = BC, AB is the Hypotenuse.
Using Pythagoras theorem
