The least-squares regression line Sˆ=0.5+1.1L models the relationship between the listing price and the actual sales price of 12 houses, with both amounts given in hundred-thousands of dollars. Let L represent the listing price and S represent the sales price.
Answer:
For each hundred-thousand-dollar increase in the listing price, the sales price is predicted to increase by $110,000.
Step-by-step explanation:
The sales price is not predicted to increase by $1.1; it is predicted to increase by $110,000 because S is measured in hundred-thousands of dollars. The sales price will not decrease by $110,000; it is predicted to increase by $110,000.
A linear regression is represented as [tex]^\wedge y = mx + c[/tex].
The true option is: E. For each hundred-thousand-dollar increase in the listing price, the sales price is predicted to increase by $110,000.
Given that:
[tex]^\wedge S = 0.5 + 1.1L[/tex]
From the general linear equation, we have:
[tex]1.1 \to[/tex] The slope
[tex]0.5 \to[/tex] The y-intercept
The slope is the difference between the sales price of one listing and the next.
From the question, we understand that the listed amount is in 100,000's.
This means that there is an increment of [tex]\$1.1 \times 100000[/tex] between the sales price of concurrent listing
So, we have:
[tex]\$1.1 \times 100000 =\$110000[/tex]
From the list of given options (see attachment), we can then conclude that (e) is correct.
Hence, for each hundred-thousand-dollar increase in the listing price, the sales price is predicted to increase by $110,000.
Read more about linear regression at:
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heeeeelp Find the distance of AB if A (2, 6) and B (-5, 2).
Answer:
let A (2, 6) be (x1, y1)
B (-5, 2) be (x2, y2)
distance AB =√[(x2 - x1)² + (y2 - y1)²]
√[(-7)²+ (-4)²]
√65
Mathematics Diagnostic Assessment
14
Miller inventoried the batteries in his house. The two-way table below shows the data he collected.
AA
Total
29
18
AAA
11
14
Disposable
Rechargeable
Total
7
21
25
25
Ihs 50
Which correlation does the two-way table suggest?
A. The rechargeable batteries tend to be AAA.
B. None of the correlations listed are correct.
C. The rechargeable batteries tend to be AA.
D. The disposable batteries tend to be AAA.
tum. All rights reserved,
e here to search
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Answer:
The rechargeable batteries tend to be AAA.
Step-by-step explanation:
Have a good day :)
-14 - 8x = -2(-3x + 7)
solution? No solution? Infinite?
Answer:
the answer is one solution
Answer:
x=0
This means that there is a solution.
Step-by-step explanation:
Step 1- Distribute into the parenthesis
-14-8x= (-2)-3x+(-2)7
Step 2- Multiply
-14-8x= 6x-14
Step 3- Add 8x to both sides.
-14x-8x= 6x-14
+8x +8x
Step 4- Add 14 to both sides.
-14= 14x-14
+14 +14
Step 5- Divide both sides by 14.
0 = 14x
14 14
x=0
HELP!!!!Find the measurement of 4(Explain)
Answer:
26°
Step-by-step explanation:
The angle 5 is equal to angle 154° as these are both corresponding angles and corresponding angles are equal.
Angles on a straight line equal 180°, so if we take 154° from 180° we get angle 4, which is 26°
I hope that helped!
XY and WZ are parallel.
Angle 1 + 154° = 180° (Linear pair)
→ Angle 1 = 180 - 154
→ Angle 1 = 26°
Now, Angle 4 = Angle 1 (Alternative interior angles)
→ Angle 4 = 26°
Hence, we got the answer.
need help... so lost
Answer:
4
Step By Step Explanation:
Hope it helps
What is 1 x 10^3 in standard form? Show work of how you did it please :)
Answer:
1×10^3 = 1000
Step-by-step explanation:
so basically its 1×10×10×10
The standard form of the given scientific notation is 1000.
The given scientific notation is 1×10³.
What is the standard form of a number?The standard form means the process of writing very large expanded form of a number into small form or small number.
Now, the standard form of 1×10³ is
1×1000
= 1000
Therefore, the standard form of the given scientific notation is 1000.
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If g(x) = x² + 2, find g(3)
options
9
8
11
6
Please help. FLVS.
Answer:
g(3) = 11Step-by-step explanation:
g(x) = x² + 2
To find g(3) , substitute the value of x that's 3 into g(x) , that is for every x in g (x) replace it with 3
That's
g(3) = 3² + 2
= 9 + 2
We have the final answer as
g(3) = 11Hope this helps you
do you divide or multiply for w in the equation A = lw
Answer:
Multiplication
Step-by-step explanation:
This looks like the equation for the area of a rectangle.
Area = Lenght * Width
Given that the "l" variable and the "w" variable or next to each other without '/' or '\' , then we can safely say this a multiplication operation.
If there is no symbol between variables, it is assumed to be short-hand for multiplication instead of writing '*', '.', or 'x' in-between the variables.
Cheers.
4 times a number is 16
Answer:
4 times 4 equals 16
Step-by-step explanation:
4 times 1= 4
4 times 2= 8
4 times 3= 12
4 times 4= 16
you add 4 after each result.
HELPPP!! ASAP PLZ!!!
there are 25 studentz in Lauras class,and 21 of the students went on the class trip to the zoo. what percentage of students went on the class trip?
F) 21%
G) 25%
H) 74%
J) 84%
Answer:
J: 84%.
Step-by-step explanation:
I don't really know how to explain this one.
Answer:
J. 84
Step-by-step explanation:
Add. Simplify, if possible. Help please.
Answer: A
Step-by-step explanation:
To add fractions, we want to make sure there is a common denominator. After that, we can add the numerator.
[tex]\frac{8}{z^2+6z+9} +\frac{5}{z^2-9}[/tex] [factor denominator]
[tex]\frac{8}{(z+3)(z+3)} +\frac{5}{(z+3)(z-3)}[/tex] [multiply first fractioni by z-3 and second by z+3]
[tex]\frac{8(z-3)}{(z+3)^2(z-3)} +\frac{5(z+3)}{(z+3)^2(z-3)}[/tex] [distribute by FOIL]
[tex]\frac{8z-24}{(z+3)^2(z-3)} +\frac{5z+15}{(z+3)^2(z-3)}[/tex] [add]
[tex]\frac{13x-9}{(z+3)^2(z-3)}[/tex]
This is the same as A. Therefore, A is our answer.
1/5(6+3+1)^2
Need answer asap
the unit digit of square of the square of the number 42 is
Tell whether the lines are parallel perpendicular or neither Y=4x+5 Y=-1/4x+4
For the pair of functions, find (f o g)(x) and (gof)(x).show work!!!!!
f(x) = -2x^2, g(x) = x + 4
A. (fog)(x) = -2x^2– 8x^2; (gof)(x) = -2x^3 - 8x^2
B. (fºg)(x) = -2x^2– 16x - 32; (g = f)(x) = -2x^2+ 4
C. (fog)(x) = -2x^2 + 4; (g e f)(x) = -2x^2- 16x - 32
D. (fog)(x) = -2x^2- 32; (go 3)(x) = -2x^2 + 4
The function (f·g)(x) is -2x³-8x²and the function (g·f)(x) is -2x³-8x². Therefore, the correct answer is option A.
What is the function?Functions are the fundamental part of the calculus in mathematics. The functions are the special types of relations. A function in math is visualized as a rule, which gives a unique output for every input x.
The given functions are f(x)=-2x² and g(x)=x+4.
Now, (f·g)(x)=f(x)×g(x)
= -2x² ×(x+4)
(f·g)(x)= -2x³-8x²
Here, (g·f)(x)=g(x)×f(x)
= (x+4)×(-2x²)
(g·f)(x)= -2x³-8x²
Therefore, option A is the correct answer.
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hey, can someone plz help me.
Answer:
3, -1
Step-by-step explanation:
Answer:
(-3, 1)
Step-by-step explanation:
Use the midpoint formula: ([tex]\frac{x1+x2}{2} ,\frac{y1+y2}{2}[/tex]) x1=2, x2=4 and y1=5 y2=-7
Divide.
-3 1/3 divided by 9
Answer:
-10/27 (or) -0.37037037...
Step-by-step explanation:
-3 1/3÷9=
-10/3÷9=
-10/27 (or) -0.37037037...
Answer:
-10/27
Step-by-step explanation:
scientist measured water pressures of different depths she measured the table showing her findings the X values represents the deepest death matters the Y value represents the pressure in atmospheres
Answer:10,2
Step-by-step explanation:
Answer:
the answer you are looking for is A
Step-by-step explanation:
How does the 2 in the hundredths place compare to the 2 in the thousandths place?
Answer:
2 in the hundredths place is greater
Step-by-step explanation:
2 in the hundredths place is 10 times the thousands place
Three sisters have ages that are consecutive odd integers. Their combined ages is 51.
How old is the youngest sister?
which segment is longer, please explain
Answer:
Blue, if you look, they both are close, but due to the pathagrium theory blue is longer.
Step-by-step explanation:
Answer:
Red is longer
Step-by-step explanation:
With the distance equation formula, you can find this. The distance equation formula is d=[tex]\sqrt{(x2-x1)^{2}+(y2-y1)^{2} } \\[/tex]. (x1,y1)(x2,y2) are the coordinates of each individual point.
If you turn the grid into a graph, red's points would be (0,0)(3,3)
Blue's points would be (0,3)(-1,-1). Using the distance formula blue is [tex]\sqrt{17}[/tex].
The red is [tex]\sqrt{18}[/tex], so red is longer.
Records show that Oliver is typically 10–30 minutes late for his shift at work. The distribution for the minutes he is late forms a consistent pattern, which can be graphed as the given uniform density curve. John and Oliver are working a shift that starts at the same time. John always arrives 8 minutes late. What percentage of the time does Oliver arrive within 10 minutes of John's arrival time? O 26.7% O 33.3% 2 O 40% O 50%
Answer:
40%
Step-by-step explanation:
10 minutes late would mean 18 minutes late on the graph. The graph goes from 10-30 which creates a difference of 20. 8 divided by 20 equals 40 percent.
40 percent of the time does Oliver arrives within 10 minutes of John's arrival time.
Given that,
Oliver is typically 10–30 minutes late for his shift at work.
The distribution for the minutes he is late forms a consistent pattern, which can be graphed as the given uniform density curve.
John and Oliver are working a shift that starts at the same time. John always arrives 8 minutes late.
We have to determine,
What percentage of the time does Oliver arrive within 10 minutes of John's arrival time?
According to the question,
Oliver is typically 10–30 minutes late for his shift at work.
John and Oliver are working a shift that starts at the same time.
John always arrives 8 minutes late.
From the complete information, the probability distribution will be:
[tex]= \dfrac{1}{b-a}\\\\= \dfrac{1}{30-10}\\\\= \dfrac{1}{20}[/tex]
Here, John always arrives 8 minutes late.
Therefore,
The percentage of the time that Oliver arrives within 10 minutes of John's arrival time is,
[tex]\rm = 8 \times \dfrac{1}{20}\\\\= \dfrac{2}{5}\\\\= 0.4 \times 100 \\\\= 40 \ Percent[/tex]
Hence, 40 percent of the time does Oliver arrives within 10 minutes of John's arrival time.
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how does slope affect a linear graph??
Answer:
With positive slope the line moves upward when going from left to right. With negative slope the line moves down when going from left to right.
hope this helps
Step-by-step explanation:
I Need help asap. PLZ
Answer:
x = 12
Step-by-step explanation:
The 2 given angles are same- side interior angles and are supplementary, thus
9x - 4 + 5x + 16 = 180, that is
14x + 12 = 180 ( subtract 12 from both sides )
14x = 168 ( divide both sides by 14 )
x = 12
Keyani went to the store with a $50 bill. She bought three pounds of turkey for $7.25 per
pound, and a certain number of packs of bread rolls, r, for $3.50 per pack. She receives $10
in change
Given f(x) = 5x - 4, find f(2).
Answer:
6
Step-by-step explanation:
f(x)=5x-4
f(2)=5(2)-4
10-4=6
What property is m+7=7+m
Answer:
Commutative propertyStep-by-step explanation:
The "Commutative Laws" say that when we add then we can swap numbers over and still get the same answer.
An airplane takes off over flat area when it is 2500' above the Earth it has covered 3000' on the ground how many feet approximately has it flow through the air
Answer:
3905.12 feet
Step-by-step explanation:
we can form a triangle in order to use the Pythagorean theorem: a² + b² = h²
where:
a = distance covered on the ground
b = height above the Earth
3000² + 2500² = h²
h² = 9000000 + 6250000 = 15250000
h = √15250000
h = 3905.12 feet
What is the perimeter of quadrilateral ABCD?
Round decimal answers to the nearest hundredth.
Ty
4-
A
Can someone please help me understand this/ help!!!!
Answer:
22.13 units
Step-by-step explanation:
P(ABCD) = AB + BC + CD +AD
P = √(AF²+FB²) + 3 + √(CE²+DE²) + 9P = √(4²+4²) + √(4²+2²) + 12P = √32 + √20 + 12P = 4√2 + 2√5 + 12P = 5.66 + 4.47 + 12P = 22.13 units