Annie estimates that the height of a bookcase is 78.25 in. the actual height is 75.50 in. to the nearest tenth of a percent, what is the percent error in annie's estimate? enter your answer in the box.

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).

the smallest possible measurement of the width is 14 feet

step-by-step explanation:

let's assume length of parallelogram is 'l'

width of parallelogram is 'w'

the perimeter of a parallelogram must be no less than 40 feet

so, we get

we are given

length of parallelogram is 6 feet

so,

l=6

we can plug it

now, we can solve for w

subtract both sides by 12

divide both sides by 2

and we get

so,

the smallest possible measurement of the width is 14 feet