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jenyasd209 [6]
3 years ago
6

Camilla has four more books when Jane has Camilla has 15 books how many books does Jane have

Mathematics
1 answer:
STatiana [176]3 years ago
5 0

Answer:

Jane has 11 books

Step-by-step explanation:

If Camilla has 15 and she has 4 more than Jane just subtract 15 - 4 = 11

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Y = 5x – 22<br> 3x + 2y = 34
Anika [276]

Answer:

y = 5x – 22

3x + 2y = 34

Step-by-step explanation:

3 0
2 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
What is the answer to 2x+3=-8 if<br> x=-8.
never [62]

Answer:

this makes no sence you said 2x+3=-8 if x =-8 then the answer would be

2x-8+3=-8 ??? that is not correct

Step-by-step explanation:

4 0
3 years ago
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Find the coordinates of the midpoint of the segment whose endpoints are H(5, 13) and K(7, 5). (12, 18)
gtnhenbr [62]

\text{The formula of the midpoint of segment AB:}\\\\\left(\dfrac{x_A+x_B}{2};\ \dfrac{y_A+y_B}{2}\right).\\\\\text{We have the points}\ H(5,\ 13)\ \text{and}\ K(7,\ 5).\ \text{Substitute:}\\\\x=\dfrac{5+7}{2}=\dfrac{12}{2}=6\\\\y=\dfrac{13+5}{2}=\dfrac{18}{2}=9\\\\Answer:\ \boxed{(6,\ 9)}

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3 years ago
For brainiest:):):):):):):):)
Nookie1986 [14]

Answer:

Step-by-step explanation:

original price = 20

3 0
3 years ago
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