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3 years ago

Which expression is equivalent to 6-(-8)? O-6+8 O -6+(-8) O 6+(-8) O 6 + 8

Mathematics

2 answers:

ludmilkaskok [199]3 years ago

8 0

The answer is D 6 + 8

mina [271]3 years ago

4 0

The answer is D. 6+8

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Help me find the key to this row of numbers please.

wariber [46]

Answer:

OPTION A .

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2 years ago

Assumptions of a regression model can be evaluated by plotting and analyzing the ____________

Gala2k [10]

The assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

Important assumptions in regression model analysis are

There should be a linear and additive relationship between dependent (response) variable and independent (predictor) variable(s).
There should be no correlation between the residual (error) terms. Absence of this phenomenon is known as auto correlation.
The independent variables should not be correlated. Absence of this phenomenon is known as multi col-linearity.
The error terms must have constant variance. This phenomenon is known as homoskedasticity. The presence of non-constant variance is referred to heteroskedasticity.
The error terms must be normally distributed.

Hence we can conclude that the assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

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2 years ago

8. Of the 400 employees, 5% of them are managers. How many managers does the zoo employ?

evablogger [386]

Zoo will hires 8 managers

5 0

2 years ago

Simplify 1)5x+3=x+13 2)5/2x-1/X =1/6

Artyom0805 [142]

Step-by-step explanation (Question 1):

Step 1: (Question 1): Subtract x from both sides.

5x+3=x+13

5x+3−x=x+13−x

4x+3=13

Step 2: (Question 1): Subtract 3 from both sides.

4x+3−3=13−3

4x=10

Step 3: (Question 1): Divide both sides by 4.

4x/4 = 10/4

FIRST ANSWER: x = 5/2

Step-by-step explanation (Question 2):

Step 1: (Question 2): Multiply by LCM

15x^2 - 6 = x

Step 2: (Question 2): Solve 15x^2

15x^2 - 6 = x:

x = 2/3

x = -3/5

Step 3: (Question 2): Solve

ANSWER: x=0.666667 or x=−0.6

See Attachment 1 for question 1 steps (FULL)

See Attachment 2 for question 2 steps (FULL)

Answer:

1) x = 5/2

2) x=0.666667 or x=−0.6

Hope this helps.

8 0

2 years ago

Read 2 more answers

Which equation describes the graph? (In the photo)

maw [93]

Answer:

C. The slope is 3 and the y-intercept is -3

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3 years ago