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amid [387]
3 years ago
6

A train travels at a constant speed for a long distance. Compete the two statements that describe the constants of proportionali

ty for the relationship between distance traveled and elapsed time. Express fractions in the form a/b.
Part A:
The train travels (?) miles in 1 hour.

Part B:

It takes (?) hours for the train to travel 1 mile.

Mathematics
2 answers:
ohaa [14]3 years ago
8 0

Answer:

1. 45

2. 0.75

Step-by-step explanation:

Softa [21]3 years ago
7 0
Is that hit Artist and rapper dababy?????
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Write a real world problem for: f + 5 = 9
Triss [41]
9-5=4 Therefore f=4
Hope this helps
4 0
3 years ago
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Evaluate the expression 3+ [5(2-3) - 6] ​
iragen [17]

Answer:

<em><u>Answer is below</u></em>

Step-by-step explanation:

<u><em>3+5(2−3)−6</em></u>

<u><em>=3+(5)(−1)−6</em></u>

<u><em>=3+−5−6</em></u>

<u><em>=3+−11</em></u>

<u><em>=−8</em></u>

<u><em>So therefore, your answer would be -8</em></u>

8 0
3 years ago
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Suppose the number of messages that an inbox receives may be modeled by a Poisson distribution. If the average number of message
docker41 [41]

Answer:

0.36427

Step-by-step explanation:

Mean = λ = 18 messages per hour

P(X = x) = (e^-λ)(λ⁻ˣ)/x!

P(X ≤ x) = Σ (e^-λ)(λ⁻ˣ)/x! (Summation From 0 to x)

But the probability required is that the messages thay come in an hour is between 15 and 20, that is, P(15 < X < 20)

P(15 < X < 20) = P(X < 20) - P(X ≤ 15)

These probabilities will be evaluated using a cumulative frequency calculator.

P(X < 20) = 0.65092

P(X ≤ 15) = poissoncdf(18, 15) = 0.28665

P(15 < X < 20) = P(X < 20) - P(X ≤ 15) = 0.65092 - 0.28665 = 0.36427.

You can use the Poisson distribution calculator here

https://stattrek.com/online-calculator/poisson.aspx

4 0
3 years ago
Please help just divide
Tju [1.3M]

Answer:

the answer is Z

Step-by-step explanation:

I just looked it up

5 0
3 years ago
−2/3a+1/8−1/6a−3/4 PLS HELP
yarga [219]

Answer:

-5a-15/4

______

     6

Step-by-step explanation:

8 0
3 years ago
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