Simply the expression below

Mathematics

2 answers:

Inessa [10]3 years ago

4 0

Answer:

Step-by-step explanation:

Ira Lisetskai [31]3 years ago

4 0

Answer:

D. (w-3)/(w-7)

Step-by-step explanation:

(w+3)(w-3)/(w-7)(w+3)

Hence, removing (w+3),

(w-3)/(w-7)

<em>Feel free to mark this as brainliest :D</em>

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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, w

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The error percentage is 4.13%.

<h2>Error percentage</h2>

The amount of mistakes is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

Given

Annie estimates that the height of a bookcase is 78.25 in.

The actual height is 75.50 in.

The error percentage.

<h3>How to find the error percentage?</h3>

We know the formula for the error percentage.

$\rm \% Error = \dfrac{Measured \ value- Actual\ value}{Actual\ value} * 100\\\\ \% Error = \dfrac{78.25 - 75.50}{78.75}*100\\\\ \% Error = \dfrac{3.25}{78.75}*100\\\\ \% Error = 0.0413*100\\\\ \% Error = 4.13 \%$