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Afina-wow [57]
2 years ago
7

Help Not sure .. does anyone have a clue ?

Mathematics
2 answers:
denis23 [38]2 years ago
5 0

Answer:

Step-by-step explanation:

f(x)=2(x+4)(x-1)

=(2x+8)(x-1)

<h3>=2x²-2x+8x-8</h3>

=2x²+6x-8

OLga [1]2 years ago
5 0

Answer:

B. f(x) = 2(x + 4) (x - 1)

and

F. f(x) = 2(x + 1.5)²- 12.5

Step-by-step explanation:

look at the pictures

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The difference between the observed value of the dependent variable and the value predicted using the estimated regression equat
Elenna [48]

Answer:

For this case we define the dependent variable as Y and the independent variable X. We assume that we have n observations and that means the following pairs:

(x_1, y_1) ,....,(x_n,y_n)

For this case we assume that we want to find a linear regression model given by:

\hat y = \hat m x +\hat b

Where:

\hat m represent the estimated slope for the model

\hat b represent the estimated intercept for the model

And for any estimation of the dependent variable \hat y_i , i=1,...,n is given by this model.

The difference between the observed value of the dependnet variable and the value predicted using the estimated regression equation is known as residual, and the residual is given by this formula:

e_i = y_i -\hat y_i , i=1,...,n

So the best option for this case is:

d. residual

Step-by-step explanation:

For this case we define the dependent variable as Y and the independent variable X. We assume that we have n observations and that means the following pairs:

(x_1, y_1) ,....,(x_n,y_n)

For this case we assume that we want to find a linear regression model given by:

\hat y = \hat m x +\hat b

Where:

\hat m represent the estimated slope for the model

\hat b represent the estimated intercept for the model

And for any estimation of the dependent variable \hat y_i , i=1,...,n is given by this model.

The difference between the observed value of the dependnet variable and the value predicted using the estimated regression equation is known as residual, and the residual is given by this formula:

e_i = y_i -\hat y_i , i=1,...,n

So the best option for this case is:

d. residual

7 0
3 years ago
I need an answer asap if you know thanks it is worth a lot of points your welcome
Snowcat [4.5K]
A. multiplication is your answer.
6 0
2 years ago
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After solving the system x+2y=10 and x-2y=2. What is the sum of x+y equal to?
Masja [62]

Answer:

The sum of x and y is 8.

Step-by-step explanation:

x+2y=10

x-2y=2

------------

2x = 12, so x = 6.  Substituting 6 for x in the 2nd equation, we get:

6 - 2y = 2, or

4 = 2y, or y = 2.  The solution is therefore (6, 2).

The sum of x and y is 6 + 2 = 8 (answer)

5 0
2 years ago
Read 2 more answers
Help with homework pls
Tems11 [23]
It would be an open circle with an arrow going to the right

3 0
3 years ago
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Help me plz !!!!!! i need help be honest
klemol [59]
THE ANSER is commutative property of addition
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