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3 years ago

7.98 is 1/10 of what number?

Mathematics

1 answer:

Lyrx [107]3 years ago

7 0

Answer:

79.8

Step-by-step explanation:

7.98*10=

79.8

to check

(1/10)*79.8=

7.98

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Ah! Inverse variation!
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Write an equation to match each graph.

Solution:

The first graph is V shaped graph centered at origin, (0,0) and the graph is not shifted or translated. So, the equation of first graph is,

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y=|x+1|

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Answer:

The expected number of interviews is 3.25.

Step-by-step explanation:

For each person applying for a profissional position, there are only two possible outcomes. Either they land an interview, or they do not. The probability of a person landing an interview is independent of any other person. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

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The expected value of the binomial distribution is:

$E(X) = np$

In this problem, we have that:

$n = 25, p = 0.13$

$E(X) = np = 25*0.13 = 3.25$

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