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3 years ago

Can someone help me !!

Mathematics

2 answers:

Effectus [21]3 years ago

4 0

Answer:

the picture wont load how am i supposed to help

Step-by-step explanation:

sasho [114]3 years ago

4 0

Answer:

x = 47, y = 11.

Step-by-step explanation:

If the figure is to be a parallelogram then the diagonals will be bisected.

So we have the following system of equations:-

3y + 3 = x - 11

5y - 6 = x + 2 Subtracting :-

-2y + 9 = 0 -13

-2y = -22

y = 11.

Plug this into the first equation:

3(11) + 3 = x - 11

33 + 3 + 11 = x

x = 47.

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Consider a population consisting of values 2, 3, 5, 7. what is the population standard deviation?

denis23 [38]

Answer:

The population standard deviation is 1.92.

Step-by-step explanation:

Population mean:

Sum of all values divided by the number of values. Thus:

$M = \frac{2 + 3 + 5 + 7}{4} = 4.25$

Population standard deviation:

Square root of the division between the sum of the difference squared of each value and the mean, and the number of values. Thus.

$S = \sqrt{\frac{(2-4.25)^2 + (3-4.25)^2 + (5-4.25)^2 + (7-4.25)^2}{4}} = 1.92$

The population standard deviation is 1.92.

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DIA [1.3K]

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frosja888 [35]

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I would say it’s A....

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