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Irina-Kira [14]
3 years ago
10

Which expression is equivalent to (7x−5)−(3x−2)?

Mathematics
1 answer:
Alchen [17]3 years ago
4 0

Answer:

D. 4x-3

Step-by-step explanation:

First you subtract the 7x and 3x to get 4x.

Then you subtract the -5 and the -2 to get -3

Therfore, your answer is D

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Suppose the number of hits a webpage receives follows a Poisson distribution. The average number of hits per minute is 2.4. What
REY [17]

Answer:

The probability that the page will get at least one hit during any given minute is 0.9093.

Step-by-step explanation:

Let <em>X</em> = number of hits a web page receives per minute.

The random variable <em>X</em> follows a Poisson distribution with parameter,

<em>λ</em> = 2.4.

The probability function of a Poisson distribution is:

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

Compute the probability that the page will get at least one hit during any given minute as follows:

P (X ≥ 1) = 1 - P (X < 1)

             = 1 - P (X = 0)

             =1-\frac{e^{-2.4}(2.4)^{0}}{0!}\\=1-\frac{0.09072\times1}{1} \\=1-0.09072\\=0.90928\\\approx0.9093

Thus, the probability that the page will get at least one hit during any given minute is 0.9093.

6 0
2 years ago
Find the value of x below​
Stella [2.4K]

Answer:

283

Step-by-step explanation:

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2 years ago
I know this but my brains not working
Masja [62]

Answer:you just find the answer from the 2 fractions you have

Step-by-step explanation:

8 0
3 years ago
Write the percent as a decimal.<br> 1. 66.7%
Sever21 [200]

Answer:

66.7% = 0.667 in decimal form.

Hope that helps!

7 0
2 years ago
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Find the axis of symmetry for this parabola:
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The graph of the given Quadratic equation is attached in the Answer, where we can se that the axis of symmetry is :

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