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Mila [183]
3 years ago
12

2. 144 in. C yd Pls someone help I have a test tomorrow

Mathematics
2 answers:
MatroZZZ [7]3 years ago
3 0

what are you asking im confused

ArbitrLikvidat [17]3 years ago
3 0
Answer:

144 inches = 4 yards

Explanation:

There are 36 inches in one yard. So, 144 over 36 equals 4.
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diamong [38]

Answer:

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Step-by-step explanation:

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3 years ago
The taxiways and runways of a major airport are carefully monitored to expedite takeoffs and landings and to prevent collisions.
tatyana61 [14]

Answer:

18.04% probability that exactly 3 serious deviations and incursions will occur at LAX in a randomly selected year

Step-by-step explanation:

In a Poisson distribution, the probability that X represents the number of successes of a random variable is given by the following formula:

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

In which

x is the number of sucesses

e = 2.71828 is the Euler number

\mu is the mean in the given time interval.

Suppose the mean number of deviations and incursions per year at the Los Angeles International Airport (LAX) is 2.

This means that \mu = 2

Find the probability that exactly 3 serious deviations and incursions will occur at LAX in a randomly selected year

This is P(X = 3).

P(X = x) = \frac{e^{-\mu}*\mu^{x}}{(x)!}

P(X = 3) = \frac{e^{-2}*2^{3}}{(3)!} = 0.1804

18.04% probability that exactly 3 serious deviations and incursions will occur at LAX in a randomly selected year

4 0
3 years ago
Search results for "A shipment of 18 cars, some weighing 3,000 pounds, and the others weighing 5,000 pounds each. Together the s
kkurt [141]
The best way to solve a problem like this is to set up two equations. First assign a variable to each thing you are trying to find. In this case, it's two different kinds of cars. Let's call the cars that weigh 3,000 pounds x, and the ones that weigh 5,000 y. The two equations you should write are:

 x+y=18 (because the problem tells you there were 18 cars in total)
3000x+5000y=60000 (because that is the total weight in the problem)

Next, you need to solve for one of the variables. I will solve for x first by subtracting y from both sides of the first equation.

x=18-y

Then you have to plug that into the other equation to get:

3000(18-y)+5000y=60000

Simplify and solve for y:

54000-3000y+5000y=60000
54000+2000y=60000
2000y=6000
y=3

Now that you know what y equals, you can put it into the equation we solved for x:

x=18-3
x=15

So there are 15 cars that weigh 3000 pounds and 3 that weigh 5000.
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4 years ago
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Question 18 of 25
inysia [295]

Answer:

D 53 is the answer I just took the test

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3 years ago
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Which situation below has a negative correlation?
katen-ka-za [31]

Answer:

In terms of negative correlation, I would say it's the longer you exercise, the more you sweat.

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