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Agata [3.3K]
3 years ago
12

Solve the inequality 2x + 8 < 5x − 4.

Mathematics
1 answer:
Lana71 [14]3 years ago
7 0

The solution to this inequality is 4 < x or x > 4.

In order to solve this, follow the steps to solving an equation with one variable. The steps are below for you.

2x + 8 < 5x - 4 ------> Subtract 2x from both sides

8 < 3x - 4 -----> Add 4 to both sides

12 < 3x -----> Divide both sides by 3

4 < x

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A student answers a multiple-choice examination question that offers four possible answers. Suppose the probability that the stu
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If it is given that the answer is correct , then the probability that he guess the answer P(B|A)= 1

By Bayes theorem , we have

P(A|B)=\dfrac{P(B|A)P(A)}{P(B|A)P(A)+P(C|A^c)P(A^c)}

=\dfrac{(1)(0.9)}{(1))(0.9)+(0.25)(0.1)}\\\\=0.972972972973\approx0.9730

Hence, the student correctly answers a question, the probability that the student really knew the correct answer is 0.9730.

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3 years ago
Whats the answer?!?!?
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In addition it does not matter what order the numbers are in.

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