The listed weight of a steel beam is 88 pounds. An engineer weighs the beam in his shop and records a weight of 86.5 pounds. The absolute error for the listed weight of the beam is _[blank 1]_, and the percent error is _[blank 2]_.

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step-by-step explanation:

answer: the correct answer is -32

step-by-step explanation:

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.