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Oksi-84 [34.3K]
3 years ago
7

A real estate company wants to study the relationship between house sales prices and some important predictors of sales prices.

Based on data from recently sold homes in the area, the variables sales price (in thousands of dollars) total floor area (in square feet) number of bedrooms distance to nearest high school (in miles) are used in a multiple regression model. The estimated model is . Answer the folowing questions for the interpretation of the coefficient of in this model.
Mathematics
1 answer:
Montano1993 [528]3 years ago
7 0

Answer:

The overview of the specific problem is outlined in the following section of the explanation.

Step-by-step explanation:

  • The Regression model is being used for finding as well as determining a connection or partnership of involvement among both your factor as well as some other variables. This type of equation is itself proving to be an improvement.
  • Keeping some other factors constant, the average increase in selling price becomes 21 thousand dollars within each incremental bedroom in such a building.

So that the above is the right answer.

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Which of the following values in the set below will make the equation 5x + 6 = 6 true?
schepotkina [342]
It would be 0.
5 times zero is zero, adding 6 will make it equal to 6.

Hope this helped broski

4 0
3 years ago
A rectangle has a length of 12 yards less than 3 times its width. If the area of the rectangle is 135 square yards, find the len
Aleonysh [2.5K]

Answer:

The length is 15 yards

Step-by-step explanation:

Given

Represent the width with W and length with L: So

Area = 135yd^2

L=3W - 12

Required

Determine the length of the rectangle:

Area is calculated as thus:

Area = L * W

Substitute 3W - 12 for L and 135 for Area

135= (3W - 12) * W

135= 3W^2 - 12W

Reorder:

3W^2 - 12W - 135= 0

Divide through by 3

W^2 - 4W - 45 = 0

Expand:

W^2  - 9W + 5W - 45 = 0

W(W  - 9) + 5(W - 9) = 0

(W + 5)(W-9) = 0

W + 5 = 0 or W - 9 = 0

W = -5 or W = 9

But width can't be negative

So:

W = 9

Recall that: L=3W - 12

L = 3 * 9 - 12

L = 15

<em>Hence, the length 15 yards</em>

4 0
3 years ago
Five years ago I was 5 times older than my son. In 8 years’ time I will be 3 times older than my son. How old am I today?
o-na [289]

Let x = Parent's age now  y = son's age now

Then, x-5 = parent's age five years ago

        y-5 = son's age five years ago

     So, x-5 = 5(y-5)

          Simplify to get x - 5y = -20

Parent's age 8 years from now = x+8

Son's age 8 years from now = y+8

    So, x+8 = 3(y+8)

           Simplifying, we have x - 3y = 16

We have the system of equations:  x - 5y = -20

                                                  x - 3y = 16

Subtract the equations to obtain -2y = -36

                                                  y = 18

                                                  x = 70

Parent is 70 years old and the son is 18 years old.  

6 0
3 years ago
Read 2 more answers
Please help me please
Contact [7]

Answer:

458

Step-by-step explanation:

6 0
3 years ago
The measure of each interior angle of a regular polygon is 150 how many sides does the polygon have?
Dmitry [639]
The exterior and an interior angles always add up to 180 degrees.
180-150=One exterior angle
180-150=30
We know that all of the exterior angles add up to 360
360/30= the number of sides
360/30=12
The shape has 12 sides.
3 0
3 years ago
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