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slega [8]
3 years ago
5

(a)(−(−b))(−c) HELP PLEASE

Mathematics
2 answers:
Aleks04 [339]3 years ago
4 0

Answer:

If you could put a picture that would really be Great!:)

Liono4ka [1.6K]3 years ago
3 0

Answer:

No photo?

Step-by-step explanation:

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How do i find an equation for a line with an x-intercept of 4 and a y-intercept of -2
ivann1987 [24]

Answer:

The equation of a line is y = ax + b, where a is the slope and b is the y-intercept.  

Since we have the y-intercept, all we need to do is find the slope. To find the slope, you need 2 coordinates.

The y-intercept is where the line crosses the y axis, so it is where x is 0. Since the y intercept is -2, that means the first coordinate is (0, -2)

The x-intercept is where the line crosses the x axis, so it is where y is 0. Since the x intercept is 4, that means the second coordinate is (4, 0)

Since we already have the y-intercept, all we do is put the slope in the equation: y = 1/2x - 2.

Step-by-step explanation:

6 0
2 years ago
You have fit a regression model with two regressors to a data set that has 20 observations. The total sum of squares is 1000 and
Llana [10]

Answer:

Hence the adjusted R-squared value for this model is 0.7205.

Step-by-step explanation:

Given n= sample size=20  

Total Sum of square (SST) =1000  

Model sum of square(SSR) =750  

Residual Sum of Square (SSE)=250  

The value of R ^2 for this model is,  

R^2 = \frac{SSR}{SST}  

R^2 = 750/1000 =0.75  

Adjusted R^2 :

Adjusted R^2 =1- \frac{(1-R^2)\times(n-1)}{(n-k-1)}

Where k= number of regressors in the model.

Adjusted R^2 =1-(19\times 0.25/((20-2-1)) = 0.7205

3 0
2 years ago
1. What is the measure of angle 4?
Kipish [7]

Answer:

d

Step-by-step explanation:

is answer sd

5 0
2 years ago
X/3.5=-9.2 what is x
OLEGan [10]
X=-32.2
Just flip them with reverse check
5 0
3 years ago
Solve for d <br> 3d - 8 = 7
taurus [48]

Answer:

The Value of d is 5.

Step-by-step explanation:

Given:

3d-8=7

We need to solve for d

Hence for solving for the term d we get;

3d-8=7

Now we will use Addition property for equality and add both side by 8 we get;

3d-8+8=7+8

3d=15

Now we will use Division property for equality and Divide both side by 3 we get;

\frac{3d}{3}=\frac{15}{3}\\

d=5

Hence the Value of d is 5.

4 0
3 years ago
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