Can someone give me the answer I need a A in math

  Among the given options (A, B, C, D), the correct population regression model when k = 2 is option D: Y = β0 + β1X1 + β2X2 + e.

In a population regression model, we are interested in modeling the relationship between a dependent variable (Y) and one or more independent variables (X1, X2, etc.). The model equation consists of the regression coefficients (β0, β1, β2, etc.) that represent the effect of each independent variable on the dependent variable, and the error term (e) that captures the unexplained variation in the data.
Among the given options, only option D includes all the necessary components of a population regression model with two independent variables (k = 2). It includes the dependent variable Y, the regression coefficients β0, β1, and β2 for the independent variables X1 and X2, respectively, and the error term e.
Options A, B, and C are incorrect because they either omit the error term or have an incomplete equation. The error term is crucial in accounting for the unobserved factors and random variation in the relationship between the variables.
Therefore, the correct population regression model when k = 2 is option D: Y = β0 + β1X1 + β2X2 + e.

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Answer:

36

Step-by-step explanation:

This is a 30, 60 90 triangle, which means that there is a ration for calculating each side.

Answer:

Step-by-step explanation:

1.  Calculate the slope for the line with points (-6,-1) and (1,7).  Rise/Run, so take the difference between the two points for both x and y:

  Change in x (the run) is 1 - (-6) = 7

   Change in y (the rise) is 7 - (-1) = 8

The slope is rise/run so 8/7.

Any line of the form y=mx+b, where m is the slope, will be parallel to this line if it has the same slope:  y = (8/7)x + whatever.  

Any line in the same format with be perpendicular if the slope is the negative inverse of the reference line.  In this case the perpendicular slope would be (-7/8).  y = (-7/8)x + whomever.

Answer:

16 units²

Step-by-step explanation:

Volume:

v = s³

64 = s³

Take the cube root of both sides

4 = s

Area:

a = s²

a = 4²

a = 16 units²

Answer:

2, 4, and 5

Step-by-step explanation:

writing random stuff since it must be 20 characters or more lol

\(\begin{array}{|c|ll} \cline{1-1} \textit{a\% of b}\\ \cline{1-1} \\ \left( \cfrac{a}{100} \right)\cdot b \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{6\% of 31960}}{\left( \cfrac{6}{100} \right)31960}\implies 1917.6~\hfill \underset{cost~price}{\stackrel{31960-1917.6}{30042.4}}\)

Answer:

can you make it so its not green and easier to read please and thank you and once you do that then maybe i can try to help you

Step-by-step explanation:

The area divided by XYZ is 16/9

i.e. \(\frac{A}{[XYZ]} = \frac{16}{9}\)

The given parameters can be represented as:

\(r = -\frac{4}{3}\) --- the ratio of dilation

The area of the second triangle is as follows:

\(A =r^2 * \triangle XYZ\)

Make \(r^2\) as subject

\(r^2 = \frac{A}{\triangle XYZ}\)

Substitute value for \(r^2\)

\((\frac{4}{3})^2 = \frac{A}{\triangle XYZ}\)

\(\frac{16}{9} = \frac{A}{\triangle XYZ}\)

Rewrite as:

\(\frac{A}{\triangle XYZ} = \frac{16}{9}\)

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Answer:

Step-by-step explanation:

Let each side of triangle XYZ have length s. We therefore have:

s = YZ = YQ + QR + RZ = x + 2y

Since each side of triangle X1 Y2 Z2 is 3/4 the length of the corresponding side of triangle XYZ, we have:

3/4s = X1 Z1 = X1 Q + QP + P Z1 = 2x +y.

The system of equations:

x + 2y = s

2x + y = 3/4s

Multiply the second equation by 2, then subtract the first equation.

3x = 1/2s, so x = 1/6s.

Now we have y = 3/4s-2x = 5/12s.

A/[XYZ] = [XYZ] - 3[YPQ]/[XYZ]

= {[XYZ] - 3[(25)/144] * [XYZ]} / [XYZ]

={23/48* [XYZ]} / [XYZ]

= 23/48

Answer:

The sum of the squares of two legs of a right triangle is equal to the square of the hypotenuse (the longest side).

Equation: a^2+b^2=c^2

where a and b are legs and c is the hypotenuse

Answer:

Step-by-step explanation:

sure

Answer:

The number 120 symbolizes  the restaurant that has been open for 120 months.

Use Slope-intercept form

The equation of the straight line is provided by:

y =mx+ b

m stands the slope of the line

b stands for the initial value or y-intercept.

As per the information:

The scatter plot displays the association between the average number of nightly consumers and the number of months since a restaurant opened.

The equation describes the linear standard for these details

y = 5x + 120

Where,

y denotes the number of months since a restaurant opened and,

x denotes the average number of nightly customers.

We have to discover the number 120 in the equation indicate in this context.

On analogizing provided equation with  we have;

m=5

b= 120

means y(0) = 120

and

Thus, The number 120 symbolizes  the restaurant that has been open for 120 months.

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Answer:

y = 200x.....the airplane travels 8000 miles in 40 hrs

Step-by-step explanation:

Answer:

Airplane W by 100 miles

Step-by-step explanation:

Airplane Z

y = 450x

Distance travelled after 2 hours

y = 450(2)

y = 900 miles

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

Airplane W

Distance travelled after 2 hours

Reading from the graph

1000 miles

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

after 2 hours which airplane had traveled the farther

Airplane W

and by how much

1000 - 900 = 100

Sample Response: If you move the decimal point the same number of places in the dividend and the divisor, you are multiplying them both by the same power of 10. That does not change the quotient.

Answer: If you move the decimal point the same number of places in the dividend and the divisor, you are multiplying them both by the same power of 10. That does not change the quotient.

Step-by-step explanation: I did ed ofcc

Answer:

4

Step-by-step explanation:

From the question, we were told that a basket ball team six games and in those games, the team won by 8 points, lost by 7, won 9 , won 11 , lost by 3 and won by 6

The mean difference in games scored over the six games would be calculated as the addition of the scores divided by 6

= [8 + (-7) + 9 + 11 + (-3) + 6] / 6

= 24 / 6

= 4

=

Answer:

3 x \(r^{2}\)

Step-by-step explanation:

Answer:

sorry

Step-by-step explanation:

why the hell do our teachers do this to us ;(

False.

The number of vectors in the span of a set of vectors depends on the linear independence of the vectors.

The number of vectors in the span of a set of vectors depends on the linear independence of the vectors. If a set of vectors is linearly independent, then only the zero vector is in the span of the set. If a set of vectors is linearly dependent, then the span of the set contains infinitely many vectors.

So, the number of vectors in span {a1, a2, a3} can be 1, 2, or 3, depending on whether the set {a1, a2, a3} is linearly dependent or independent.

For example, if a1 = (1,0,0), a2 = (0,1,0), and a3 = (0,0,1), then {a1, a2, a3} is a linearly independent set, and the span of {a1, a2, a3} is just the set of all linear combinations of these vectors, which is the entire space R3. So, there are infinitely many vectors in the span of {a1, a2, a3}.

On the other hand, if a1 = (1,0,0), a2 = (2,0,0), and a3 = (0,1,0), then {a1, a2, a3} is a linearly dependent set, since a2 is a scalar multiple of a1. In this case, the span of {a1, a2, a3} is just the set of all linear combinations of a1 and a3, which is a plane in R3. So, there are infinitely many vectors in the span of {a1, a2, a3}.

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Responder:

Opción de respuesta c

Explicación paso a paso:

Es una pendiente positiva como los datos, también coincide con muchos de los puntos.

Espero que te aya ayudado

Answer:

Answer choice c

Step-by-step explanation:

It is a positive slope like the data, it also matches up with many of the points.

The ability to order items in a sequence, such as longest to shortest, is known as Seriation.

Seriation is a cognitive skill that involves arranging objects, events, or ideas in a particular order or sequence. It is a crucial aspect of cognitive development and is typically acquired during early childhood. Seriation is the ability to mentally order objects along a quantitative dimension, such as size, weight, or length.

Seriation involves comparing and ordering items based on specific criteria. For example, if given a group of objects of different lengths, a child who has developed seriation skills will be able to arrange the objects in order from shortest to longest. Similarly, if given a group of numbers, a child who has developed seriation skills will be able to arrange them in order from smallest to largest.

Seriation is an important cognitive skill that is used in various areas of life, including academic, professional, and personal domains. It allows individuals to organize information and ideas in a logical and meaningful way, which can facilitate more efficient processing and understanding of complex concepts.

Overall, seriation is a fundamental cognitive skill that plays a crucial role in various aspects of life, including problem-solving, decision-making, and organization. It is an essential skill that supports the development of higher-order thinking skills, such as analysis, evaluation, and synthesis.

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Answer:

-4/f

Step-by-step explanation:

i hope this helps

hi

\(\large\bf\red{ \longrightarrow} \rm \: \frac{x}{ - 9 \: \: \: } \: = \: 60 \\ \)

\(\large\bf\red{ \longrightarrow} \rm \:x \: = \: - 9 \: \times \: 60\)

\(\large\bf\red{ \longrightarrow} \rm \:x \: = \: - 540\)

Answer:

They Have The Same Y-Intercept.

Function 2's y-intercept is -5.

Function 1 y-intercept could be found by inputting 0 as r.

p=0-5

p=-5

Meaning, they're equal.

here you go

instead of giving you a link like that other person, here are some actual screenshots instead, youre welcome ;D

The function will begin to have real output when the input value is 2

The function is given as:

\(f(x) = -\sqrt{x - 2} + 2\)

Set the radical greater than or equal to 0

\(x - 2 \ge 0\)

Add 2 to both sides

\(x \ge 2\)

This represents the domian

Hence, the function will begin to have real output when the input value is 2

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Complete question

At what input value will the function \(f(x) = -\sqrt{x - 2} + 2\) begin to have real outputs?

Answer:

Angle EDC

Step-by-step explanation:

Since angle IDH is perpendicular, that should mean that the other angle should be the same as angle IDH.

If this did not help, let me know.

If it did, your welcome! :)

Answer:

The answer is $900

Step-by-step explanation:

Answer: 30.26%

Step-by-step explanation:

Answer: