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2 years ago

7

Which of the following may have an outcome that is not a polynomial ? A. The addition of two polynomials B. The multiplication o

f two polynomials C. The subtraction of two polynomials D. The division of two polynomials

1 answer:

Nat2105 [25]2 years ago

7 0

Answer:

Step-by-step explanation:

B

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Your boss tells you that she knows the length of the widgets your company makes is normally distributed with a mean of 25 inches

sp2606 [1]

Answer:

Mean of sampling distribution = 25 inches

Standard deviation of sampling distribution = 4 inches

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = 25 inches

Standard Deviation, σ = 12 inches

Sample size, n = 9

We are given that the distribution of length of the widgets is a bell shaped distribution that is a normal distribution.

a) Mean of the sampling distribution

The best approximator for the mean of the sampling distribution is the population mean itself.

Thus, we can write:

$\bar{x} = \mu = 25\text{ inches}$

b) Standard deviation of the sampling distribution

$s = \dfrac{\sigma}{\sqrt{n}} = \dfrac{12}{\sqrt{9}} = 4\text{ inches}$

8 0

2 years ago

Is the following relation a function?<br><br> {(3, −2), (1, 2), (−1, −4), (−1, 2)}

mel-nik [20]

Answer:

<h2>It's not a function.</h2>

Step-by-step explanation:

A function is a process or a relation that associates each element x of a set X, to a single element y of another set Y.

We have:

{(3, -2), (1, 2), (-1, -4), (-1, 2)}

for x = -1 are two values of y = -4 and y = 2. Therefore this realtion is not a function.

3 0

3 years ago

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A. The function shown on the graph has a greater rate of change, but a lower starting point.

Julli [10]

I think it is A

sorry if it is wrong!

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2 years ago

assume these situations are proportional. write and solve by usinmg a proportion. Everardo paid $1.12 for a dozen eggs at his lo

Bingel [31]

12 eggs for $1.12
3 eggs for $?
As you can see, to get from 12 eggs to 3 eggs, you divide by 4, so do the same with $1.12 to get $0.28
The cost of 3 eggs is $0.28

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3 years ago

What percent of 126 is 22

makkiz [27]

17% ? Idont know if its 22 divided by 126 or 126 divided by 22

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2 years ago

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