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Answer:
x =
Step-by-step explanation:
So here we are trying to find the value of x;
Subtract 5x from both sides;
-8x + 10 = -8
Then, Subtract 10 from both sides;
-8x = -18
Divide both sides by -8;
x =
Answer
Find out the percent error in Annie's estimate .
To prove
Formula
As error = approx value - exact value
As given
Annie estimates that the height of a bookcase is 78.25 in.
The actual height is 75.50 in.
approx value = 78.25 in.
actual value = 75.50 in.
error = 78 .25 - 75 .50
= 2.75
put in the formula
Percentage error = 3.64 % (approx)
Therefore the Percentage error be 3.64 % (approx).