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Papessa [141]
3 years ago
15

A log-level model relating the natural logarithm of house price, y, to square footage was fit. The fitted model is stack ln (p r

i c e )with hat on top equals 11.65 0.000473*sq_foot. What is the estimated price of a house that is 1,692 square feet
Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Answer:

$255,331

Step-by-step explanation:

Calculation for the estimated price

ln (price) =11.65 +0.000473*square foot

Square feet =1,692

First step is to find the ln (price)

ln (price) =11.65 +0.000473*1,692

ln (price)=12.450316

Last step is to calculate the Estimated price by using calculator to find the exponential of 12.450316

Estimated price=e^(12.450316)

Estimated price=$255,330.99

Estimated price=$255,331 Approximately

Therefore the estimated price of a house that is 1,692 square feet will be $255,331

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Marina86 [1]
You always either divide the equation or multiply the equation
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6 0
3 years ago
There are two buildings that you want to have in the amusement park, but the size hasn’t been determined yet. Although you don’t
Harrizon [31]
A) The area of a rectangle is A = lw, where l=length of the rectangle and w=width of the rectangle. You know the length of the gift shop, l = 20x + 24. You know the width, w = 36x - 20. Plug those expressions into the equation for area of a rectangle and multiply/foil:
A = lw\\
A = (20x + 24)(36x - 20)\\
A = (20x)(36x) + (20x)(-20) +  (24)(36x) + (24)(-20)\\
A = 720x^{2} - 400x + 864x - 480\\
A = 720x^{2} + 464x - 480

The expression for the area of the gift shop is 720x^{2} + 464x - 480.

B) The equation for the perimeter of the gift shop is P = 2(l+w), where l = length and w = width. Plug your values for l and w into this equation:
P = 2(l+w)\\
P = 2(20x + 24 + 36x - 20)\\
P = 2(56x + 4) = 2(56x) + 2(4)\\
P = 112x + 8

The expression for the perimeter of the gift shop is 112x + 8

C) Since you know the perimeter is going to be 176 ft, that means P = 176. Plug that into the equation you found in part B, P = 112x + 8, and solve for x.
P = 112x + 8\\
176 = 112x + 8\\
112x =  168
x = 1.5

Once you solve for x, you can plug x into your equations for width and length to find the dimensions. x = 1.5, so:
1) L<span>ength = 20x+24 feet 
</span>Length = 20(1.5) + 24 feet = 54 feet
2) Width = <span>36x-20 feet
Width = 36(1.5)-20 feet = 34 feet

Your dimensions are 54 feet (length) by 34 feet (width).
</span>
3 0
3 years ago
A sweater that normally costs $32.00 is on sale for $24.00. What is the percent
Vlad1618 [11]

Answer:

25 %

Step-by-step explanation:

Percentage is given by :

\%=\dfrac{\text{original value-new value}}{\text{origial value}}\times 100

Original cost of sweater is $32 and sale cost is $24. So,

\%=\dfrac{32-24}{32}\times 100\\\\=25\%

Hence, 25 % is the markdown on the sweater.

6 0
2 years ago
Please help. Need to understand it. At least give an answer.
cluponka [151]

Answer:

The asnwer is the first one:

Step-by-step explanation:

You do this

x = 3.242424242424

100x = 324.24242424242424242424

-x

= 329/99

3-24/99

3 8/33

3 0
3 years ago
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Students in a science class are divided into 6 equal groups with at least 4 students in each group for a project. write and solv
S_A_V [24]

There are a total of 6 groups.

And each group contains at least 4 students.

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Let us say that x represents the number of students, hence:

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5 0
3 years ago
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