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3 years ago

Select the correct answer. Which of these graphs represents a function?

Mathematics

2 answers:

In-s [12.5K]3 years ago

6 0

( x ) is a proper function :)

Ber [7]3 years ago

3 0

Answer:

the top right

Step-by-step explanation:

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In 2016, the mean score on the AP Art History exam was 3.8, with a standard deviation of 1.2. The mean score on the AP English e

Ulleksa [173]

Answer:

$X+Y \sim N(\mu_X +\mu_Y , \sqrt{\sigma^2_X +\sigma^2_Y})$

The mean is given by:

$\mu = 3.8+2.9= 6.7$

And the standard deviation would be:

$\sigma =\sqrt{1.2^2 + 1.7^2} = 2.08$

And the distribution for X+Y would be:

$X+Y \sim N(6.7 , 2.08)$

And the best answer would be:

D.) Mean, 6.7; standard deviation, 2.08

Step-by-step explanation:

Let X the random variable who represent the AP Art History exam we know that the distribution for X is given by:

$X \sim N(3.8, 1.2)$

Let Y the random variable who represent the AP English exam we know that the distribution for X is given by:

$X \sim N(2.9, 1.7)$

We want to find the distribution for X+Y. Assuming independence between the two distributions we have:

$X+Y \sim N(\mu_X +\mu_Y , \sqrt{\sigma^2_X +\sigma^2_Y})$

The mean is given by:

$\mu = 3.8+2.9= 6.7$

And the standard deviation would be:

$\sigma =\sqrt{1.2^2 + 1.7^2} = 2.08$

And the distribution for X+Y would be:

$X+Y \sim N(6.7 , 2.08)$

And the best answer would be:

D.) Mean, 6.7; standard deviation, 2.08

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3 years ago

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Describe the transformation from the graph of y = 1/x to the

tiny-mole [99]

5 units up.

Step-by-step explanation:

Not much explanation needed, it is the same exact graph but with +5 on the Y axis.

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The polygons are similar. The area of one polygon is given. Find the area of the other polygon,

xxMikexx [17]

Answer:

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Step-by-step explanation:

glizzy

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Answer:

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Step-by-step explanation:

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Please help me thanks :)

Paraphin [41]

Answer:

Step-by-step explanatio

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