3 years ago

Would you solve this by multiplying the second equation by 2 or -2 and why?

Mathematics

2 answers:

alexandr1967 [171]3 years ago

6 0

What’s the equation?

mariarad [96]3 years ago

3 0

Umm can you take a screen shot of the question???

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5-6x=17-8x <img src="https://tex.z-dn.net/?f=5-6x%3D17-8x%20%5C%5C%20" id="TexFormula1" title="5-6x=17-8x \\ " alt="5-6x=17-8

EastWind [94]

I hope I help you out

7 0

4 years ago

If the probability of being hospitalized during a year is 0.15 find the probability that no one in the family of 4 will be hospi

Goryan [66]

The probability that no one in the family of 4 will be hospitalized during a year is 0.52

Step-by-step explanation:

The probability for a person to be hospitalized during one year is

$p(h)=0.15$

As a consequence, the probability for a person of NOT being hospitalized during one year is

$p(h^{-1})=1-0.15=0.85$

If we have 4 people in the family, the probability of each of them of NOT being hospitalized during the year is independent from the probability of the others - therefore, these are independent events. This means that the total probability of the 4 people of not being hospitalized during a year is:

$p(h^{-1})^4=(0.85)^4=0.52$