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3 years ago

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The money you earn varies directly with the number of lawns you mow. You earn $36 for mowing three lawns. a. Write an equation f

or the relationship between money earned and lawns mowed. b. How much money will you earn for mowing seven lawns?

1 answer:

nika2105 [10]3 years ago

5 0

Answer:

a. y = 36x, b. $252

Step-by-step explanation:

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1 year ago

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According to scientific research, the probability that a person between the ages of 20 and 25 having high blood pressure, is onl

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Answer:

<h2>The probability is ${\frac{83}{100} }^9 \times \frac{17}{100}$ + ${\frac{83}{100} }^8 \times {\frac{17}{100} }^2$ + ${\frac{83}{100} }^{10}$ .</h2>

Step-by-step explanation:

The probability of having high blood pressure is 17%.

We need to find the probability of 2 or fewer have high blood pressure.

Possibility 1: No one have high blood pressure.

The probability is ${\frac{100 -17}{100} }^{10} = {\frac{83}{100} }^{10}$ .

Possibility 2: Only one have high blood pressure.

The probability is ${\frac{83}{100} }^9 \times \frac{17}{100}$ .

Possibility 3: 2 among the 10 have the high blood pressure.

${\frac{83}{100} }^8 \times {\frac{17}{100} }^2$ .

Any of the possibilities can happen.

Hence, the required probability is ${\frac{83}{100} }^9 \times \frac{17}{100}$ + ${\frac{83}{100} }^8 \times {\frac{17}{100} }^2$ + ${\frac{83}{100} }^{10}$ .

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