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1 year ago

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Two buses leave towns 840 miles apart at the same time and travel toward each other. One bus travels 20 mi/h slower than the oth

er. If they meet in 7 hours, what is the rate of each bus?

1 answer:

MrRa [10]1 year ago

6 0

Answer: Thus you found the rate of the slower bus. It is 67 miles per hour.

Then the rate of the faster bus is 67 + 18 = 85 mph.

Step-by-step explanation:

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slamgirl [31]

Answer:

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Step-by-step explanation:

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2 years ago

A 16,000 ft<br>B 8000 ft<br>C 4000 ft<br>D 150 ft

Cloud [144]

Answer:

A

Step-by-step explanation:

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2 years ago

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Historical data for a local manufacturing company show that the average number of defects per product produced is 2. In addition

charle [14.2K]

Answer:

The probability that there will be a total of 7 defects on four units is 0.14.

Step-by-step explanation:

A Poisson distribution describes the probability distribution of number of success in a specified time interval.

The probability distribution function for a Poisson distribution is:

$P(X = x)=\frac{e^{-\lambda}\lambda^{x}}{x!}, x=0,1,2,3,...$

Let <em>X</em> = number of defects in a unit produced.

It is provided that there are, on average, 2 defects per unit produced.

Then in 4 units the number of defects is, $(2\times4)=8$ .

Compute the probability of exactly 7 defects in 4 units as follows:

$P(X = x)=\frac{e^{-\lambda}\lambda^{x}}{x!}\\P(X=7)=\frac{e^{-8}8^{7}}{7!}\\=\frac{0.0003355\times2097152}{5040}\\ =0.1396\\\approx0.14$

Thus, the probability of exactly 7 defects in 4 units is 0.14.

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2 years ago

Answer quick for brainliest.

PtichkaEL [24]

The slope is -3 and the y-intercept is -1

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2 years ago

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*will give brainliest*

andriy [413]

I think the answer is one solution

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1 year ago