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yKpoI14uk [10]
3 years ago
10

What is the equation of the midline for the function f(x)? f(x)=1/2 cos(x)+5

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

Answer:

y = 5

Step-by-step explanation:

That "+5" elevates the graph of this cosine function 5 units above the x axis, and thus the "midline" you wanted is  y = 5.

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700 students attend Ridgewood Junior High School. 5% of students bring tlieir lunch
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Answer:

35

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Find the square of ( b - 9 )
Kruka [31]

Answer:

{b}^{2}  - 18b + 81

Step-by-step explanation:

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6 0
3 years ago
The auto parts department of an automotive dealership sends out a mean of 4.2 special orders daily. What is the probability that
gregori [183]

The probability that, for any day, the number of special orders sent out will be exactly 3 is 0.1633.

<h3>What are some of the properties of Poisson distribution?</h3>

The Poisson distribution is a discrete probability distribution that describes the likelihood of a specific number of events occurring in a specified span of time or space, if these events occur at a constant mean rate and regardless of the time since the last occurrence.

Let X ~ Pois(λ)

Then we have:

E(X) = λ = Var(X)

Since standard deviation is the square root (positive) of variance,

Thus,

The standard deviation of X = \sqrt{\lambda}

Its probability function is given by

f(k; λ) = Pr(X = k) =   \dfrac{\lambda^{k}e^{-\lambda}}{k!}

Given the mean is 4.2.

We have to find the probability that on any day, the number of special orders sent out will be exactly 3. Therefore, the value of x will be 5.

Using the Poisson distribution,

P(x) = \dfrac{e^{-\lambda}\lambda ^x}{x!}\\\\P(5) =\dfrac{e^{-4.2}(4.2)^5}{5!}\\\\P(5) = 0.1633

Hence, the probability that, for any day, the number of special orders sent out will be exactly 3 is 0.1633.

Learn more about Poisson distribution here:

brainly.com/question/7879375

#SPJ1

5 0
2 years ago
4x=2<br>5x+2y=13<br>6x²-3x=16<br>5x³-x²+2=0<br>son ecuaciones cuadraticas o no?​
Verdich [7]
Only the 3rd one is a quadratic equation if we move the 16 to the other side of the equal sign.
3 0
1 year ago
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