Answer:
The percentage error is 3.6 % .
Step-by-step explanation:
Formula


As given
Annie estimates that the height of a bookcase is 78.25 in. The actual height is 75.50 in.
Here
Approx value = 78.25 in
Exact value = 75.50 in

Error = 2.75
Put in the formula


Error percentage = 3.6 %
Therefore the percentage error is 3.6 % .
Answer:
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Answer:
(x +3)^2 + (y + 5)^2 = 36
Step-by-step explanation:
Use general circle equation:
(x - h)^2 + (y - k)^2 = r^2
center: (h, k)
radius : r
(x - (-3))^2 + (y - (-5))^2 = 6^2
(x +3)^2 + (y + 5)^2 = 36