3 years ago

11 y + 4 one step equations

Mathematics

1 answer:

mixas84 [53]3 years ago

8 0

I think its 15+y or 15y im not surw

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A rectangular garden has a width of five times an unknown variable x plus two. The length is one more than three times the same

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Answer: just saying I’m pretty sure it’s 36... don’t put it cause I’m not 100% sure it’s right?

Step-by-step explanation:

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The average weight of the entire batch of the boxes of cereal filled today was 20.5 ounces. A random sample of four boxes was se

zhenek [66]

Answer:

$s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}$

And replacing we got:

$s= 0.286$

And then the estimator for the standard error is given by:

$SE= \frac{0.286}{\sqrt{4}}= 0.143$

Step-by-step explanation:

For this case we have the following dataset given:

20.05, 20.56, 20.72, and 20.43

We can assume that the distribution for the sample mean is given by:

$\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})$

And the standard error for this case would be:

$SE= \frac{\sigma}{\sqrt{n}}$

And we can estimate the deviation with the sample deviation:

$s= \sqrt{\frac{\sum_{i=1}^n (X_i -\bar X)^2}{n-1}}$

And replacing we got:

$s= 0.286$

And then the estimator for the standard error is given by:

$SE= \frac{0.286}{\sqrt{4}}= 0.143$

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3 years ago

What is the complete factorization of f(x)= -1/128(x^4-4x^3-64x^2+256x) ?

krok68 [10]

Answer:

(x−4)2(x2+4x+16)

Step-by-step explanation:

here hope this helpsss

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Answer:

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Step-by-step explanation:

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Answer:

5/21

Step-by-step explanation:

(29-8)*x=5

21x=5

x=5/21

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