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2 years ago

Find the function rule. x –2 –1 0 1 2 y 9 4 –1 –6 –11

Mathematics

1 answer:

Ugo [173]2 years ago

6 0

The function rule for this is -1/-5

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Get the product using FOIL method: (x+2)(x+3)

emmasim [6.3K]

Answer:

x² + 5x + 6

Step-by-step explanation:

Foil means first, outside, inside, last

First: (x+2)(x+3)

x × x = x²

Inside: (x+2)(x+3)

x × 3 = 3x

Ouside: (x+2)(x+3)

2 × x = 2x

Last: (x+2)(x+3)

2 × 3 = 6

adding them together:

x² + 3x + 2x + 6 = x² + 5x + 6

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1 year ago

In which data set is the mean equal to the median?

sdas [7]

Answer:

The number in the middle

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1 year ago

10 faces and 12 vertices,how many edges does it have?

MArishka [77]

The answer is 12 edges :)

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2 years ago

Unknown to a medical researcher, 6 out of 25 patients have a heart problem that will result in death if they receive the test dr

Fiesta28 [93]

Using the hypergeometric distribution, it is found that there is a 0.0002 = 0.02% probability that exactly 6 patients will die.

<h3>What is the hypergeometric distribution formula?</h3>

The formula is:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}$

$C_{n,x} = \frac{n!}{x!(n-x)!}$

The parameters are:

x is the number of successes.

N is the size of the population.

n is the size of the sample.

k is the total number of desired outcomes.

The values of the parameters for this problem are:

N = 25, k = 6, n = 8.

The probability that exactly 6 patients will die is P(X = 6), hence:

$P(X = x) = h(x,N,n,k) = \frac{C_{k,x}C_{N-k,n-x}}{C_{N,n}}$

$P(X = 6) = h(6,25,8,6) = \frac{C_{6,6}C_{19,2}}{C_{25,8}} = 0.0002$

0.0002 = 0.02% probability that exactly 6 patients will die.

More can be learned about the hypergeometric distribution at brainly.com/question/24826394

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1 year ago

Which number is a multiple of 7? A 27 B 48 C 56 ET D 74

saul85 [17]

Answer:

C. 56

Step-by-step explanation:

7*8=56

7 0

2 years ago