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3 years ago

In narrative writing, using first-person point of view tells the story from the perspective of someone who _____.

Mathematics

1 answer:

max2010maxim [7]3 years ago

8 0

In the story ,the main character

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Suppose that the mean time that visitors stay at a museum is 94.2 minutes with a standard deviation of 15.5 minutes. The standar

Maurinko [17]

Answer:

$94.2 -0.994*3.1 = 91.1186$

$94.2 +0.994*3.1 = 97.2814$

And the 68% confidence interval is given by (91.1186, 97.2814)

Step-by-step explanation:

For this case we know that mean time that visitors stay at a museum is given by:

$\bar X = 94.2$

The standard deviation is given by:

$s= 15.5$

And the standard error is given by:

$SE = \frac{s}{\sqrt{n}} =3.1$

And we want to interval captures 68% of the means for random samples of 25 scores and for this case the critical value can be founded like this using the normal standard distribution or excel:

$z_{\alpha/2}= \pm 0.994$

We can find the interval like this:

$\bar X \pm ME$

And replacing we got:

$94.2 -0.994*3.1 = 91.1186$

$94.2 +0.994*3.1 = 97.2814$

And the 68% confidence interval is given by (91.1186, 97.2814)

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3 years ago

75 is 20% of what number

Tomtit [17]

375 Is the answer I think

7 0

3 years ago

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A recipe says to use 3 cups of flour to make 12 cookies. Andrew wants to make 288 cookies for a school fundraiser. How many cups

jeyben [28]

Answer:

Step-by-step explanation:

3 = 12 cookies

72 = 288 cookies

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3 years ago

Read 2 more answers

Which equation is y +5 = 1/3 (x - 9) in slope-intercept form

Alinara [238K]

Answer:

y=1/3x-8

Step-by-step explanation:

y+5=1/3(x-9)

y=1/3x-9/3-5

y=1/3x-3-5

y=1/3x-8

Please mark me as Brainliest if you're satisfied with the answer.

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3 years ago

DOES ANYONE KNOW HOW TO DO THESE???

MA_775_DIABLO [31]

Answer:

Step-by-step explanation:

7. The horizontal translation is 3 units to the right, this is determined by the value that is being added or subtracted to x directly. In this case, x is being subtracted by 3 meaning that it is translated 3 units to the right.

8. It is being translated 2 units up. This is determined by the number that is added to the quadratic equation. In this case, it is increased by 2 which means an upward translation. If it was being subtracted it would be a downward translation.

9. Yes, when a quadratic equation has a negative sign outside of it which changes its values it means that it is being reflected.

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3 years ago