Raphael cleaned 13 out of 25 rooms all by himself

Mathematics

2 answers:

yKpoI14uk [10]3 years ago

6 0

okay but like do you even need any help??

Mandarinka [93]3 years ago

5 0

Answer:

<h2>The answer is 12</h2>

Step-by-step explanation:

<h2>Your welcome</h2>

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Find the value of the expression |2x−8| where x=−2.5; 0; 4; 5; 9.5.

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The absolute value $|x|$ returns the "positive version" of a number. In other words, if $x$ is already positive, then $|x|=x$ . Otherwise, if $x$ is negative, then the absolute value changes its sign, so that it returns positive: $|x|=-x$ .

So, in this case, we have to plug the required values for $x$ in the expression $2x-8$ . Then, if the result is positive we're ok, otherwise we discard the negative sign.