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kotegsom [21]
3 years ago
8

I have to solve each system algebraically y = x -8 y=5x

Mathematics
2 answers:
stiv31 [10]3 years ago
8 0

Answer:

X= -2 and Y= -10

Step-by-step explanation:

I don't know what you are asking on this one but i hope that me finding the value of X and Y helps you.

Dmitry [639]3 years ago
3 0

Answer:

x=-2, y=-10

Step-by-step explanation:

Since both equations are equal to y, we can set them equal to each other and solve

x-8=5x

Subtract x from both sides

-8=4x

Divide both sides by 4

x=-2

Next, we need to find a y

Substitute -2 in for x in one of the equations and solve

y=5x

y=5*-2

y=-10

x=-2, y=-10

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Kindly see explanation

Step-by-step explanation:

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IS Senior ; p(x) : 0.05, 0.09, 0.03, 0.42, 0.41

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job variance for middle managers :

Σ(x - E(x))² * p(x) :

((1 - 3.84)^2 * 0.04) + ((2 - 3.84)^2 * 0.10) + ((3 - 3.84)^2 * 0.12) + ((4 - 3.84)^2 * 0.46) + ((5 - 3.84)^2 * 0.28)

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sd = √variance

sd = √1.25 = 1.118 = 1.12

Standard deviation(sd) for (middle managers) :

sd = √variance

sd = √1.13 = 1.063 = 1.06

The expected value (mean) for senior executives (4.05) is slightly higher Than obtained for middle managers (3.84). Similarly the measure of Variation in job satisfaction ; standard deviation and variance is also higher for senior managers than in middle managers.

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3 years ago
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