does the residual plot support the appropriateness of a linear model? responses yes, because there is a clear pattern displayed in the residual plot. yes, because there is a clear pattern displayed in the residual plot. yes, because about half the residuals are positive and the other half are negative. yes, because about half the residuals are positive and the other half are negative.

Answer:

So what exactly is the question? bc it doesn't actually show a question

Step-by-step explanation:

divide 470 by 299 and then that should be your answer on the number of skiers

The slope of this graph is equal to 25.

In Mathematics and Geometry, the slope of any straight line can be determined by using this mathematical equation;

Slope (m) = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Slope (m) = (y₂ - y₁)/(x₂ - x₁)

Based on the information provided above, we can reasonably infer and logically deduce that Alyssa made $200 for every 8 hour shift she works as a personal trainer. Additionally, the amount of money Alyssa earned would be plotted on the y-axis while the number of hours she work would be plotted on the x-axis of a graph;

Slope (m) = 200/8

Slope (m) = 25.

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a. The minimum value of the average cost over the interval 1 ≤ x ≤ 10 is approximately 1966.7 (rounded to the nearest tenth).

b. The minimum value of the average cost over the interval 10 ≤ x ≤ 20 is 708,400.

a. 1 ≤ x ≤ 10For the given cost function C(x) = x³ + 32x + 250, we are to determine the minimum value of the average cost over the interval 1 ≤ x ≤ 10.

To find the minimum value of the average cost over the interval 1 ≤ x ≤ 10, we first calculate the total cost for the given interval:

Total cost = C(1) + C(2) + ... + C(10) = (1³ + 32(1) + 250) + (2³ + 32(2) + 250) + ... + (10³ + 32(10) + 250) = 17,700

Next, we calculate the average cost:Average cost = Total cost / (10 - 1) = 17,700 / 9 ≈ 1966.67

b. 10 ≤ x ≤ 20For the given cost function C(x) = x³ + 32x + 250, we are to determine the minimum value of the average cost over the interval 10 ≤ x ≤ 20.

To find the minimum value of the average cost over the interval 10 ≤ x ≤ 20, we first calculate the total cost for the given interval:

Total cost = C(10) + C(11) + ... + C(20) = (10³ + 32(10) + 250) + (11³ + 32(11) + 250) + ... + (20³ + 32(20) + 250) = 7,084,000

Next, we calculate the average cost:Average cost = Total cost / (20 - 10) = 7,084,000 / 10 = 708,400

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a). We have proved all the given conditions.

b). It is true that condition 3 holds for all regular languages L1 and L2.

(a) Regular languages L1 and L2 can be suggested as follows:

Let \(L_1={0^{(n+1)} | n\geq 0}\)

and

\(L_2={1^{(n+1)} | n\geq 0}\)

We have to prove three conditions:1. L1 ⊈ L2:

The given languages L1 and L2 both are regular but L1 does not contain any string that starts with 1.

Therefore, L1 and L2 are distinct.2. L2  L1:

The given languages L1 and L2 both are regular but L2 does not contain any string that starts with 0.

Therefore, L2 and L1 are distinct.3. (L1 ∪ L2)* = L1* ∪ L2*:

For proving this condition, we need to prove two things:

First, we need to prove that (L1 ∪ L2)* ⊆ L1* ∪ L2*.

It is clear that every string in L1* or L2* belongs to (L1 ∪ L2)*.

Thus, we have L1* ⊆ (L1 ∪ L2)* and L2* ⊆ (L1 ∪ L2)*.

Therefore, L1* ∪ L2* ⊆ (L1 ∪ L2)*.

Second, we need to prove that L1* ∪ L2* ⊆ (L1 ∪ L2)*.

Every string that belongs to L1* or L2* also belongs to (L1 ∪ L2)*.

Thus, we have L1* ∪ L2* ⊆ (L1 ∪ L2)*.

Therefore, (L1 ∪ L2)* = L1* ∪ L2*.

Therefore, we have proved all the given conditions.

(b)It is true that condition 3 holds for all regular languages L1 and L2.

This can be proved by using the fact that the union of regular languages is also a regular language and the Kleene star of a regular language is also a regular language.

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Answer:

Step-by-step explanation:

first lets find in how many shares is the total amount of marbles divided into:

7+1=8

now, lets find how many marbles are in each share:

64/8=8

now that we know that each share of marbles contains 8 marbles, we can find how many each child got:

Emily got 7 shares: 8*7= 72 marbles

Asif got 1 share: 8*1= 8 marbles

Hence,

Answer:

This is true because 6 does infact equal 6

Step-by-step explanation:

First see if the solution is true by seeing if x = x

So solve both sides

4-3+5 = -6+8+4

1+5 = 2+4

6 = 6

The value of sin-1(1) is negative startfraction pi over 2 endfraction, startfraction -pi over 2 endfraction.

The value of sin (π/2) is equal to the number 1. The value of the sin-1(1) has to be find out.

Suppose the value of this function is x. Thus,

\(x=\sin^{-1}(1)\)

Solve it further,

\(\sin(x)=(1)\)              ......1

The value of sin (π/2) and -sin (-π/2) is equal to 1 such that,

\(\sin\dfrac{\pi}{2}=-\sin\left(-\dfrac{\pi}{2}\right)=1\)

Put this value in the equation 1,

\(\sin(x)=\sin\left(\dfrac{\pi}{2}\right)=-\sin\left(-\dfrac{\pi}{2}\right)\)

Thus, the range will be,

\(\left(\dfrac{\pi}{2},-\dfrac{\pi}{2}\right)\)

Thus, the value of sin-1(1) is negative startfraction pi over 2 endfraction, startfraction -pi over 2 endfraction.

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Answer: C

Step-by-step explanation:

edge

Answer:

820

Step-by-step explanation:

a) The high temperature for today using a 3-day moving average is 93.7 degrees.

b) The high temperature for today using a 2-day moving average is 92.5 degrees.

c) The mean absolute deviation based on a 2-day moving average is 2 degrees.

d) The mean squared error for the 2-day moving average is 2.25 degrees 2.

e) The mean absolute percent error (MAPE) for the 2-day moving average is 2.2%.

The moving average is a statistical technique that smooths out data by averaging over a specified number of periods. In this case, we are using a 3-day and a 2-day moving average to forecast the high temperature for today.

The 3-day moving average is calculated by averaging the previous 3 days of high temperatures. So, the 3-day moving average for today would be the average of the high temperatures on 92, 94, and 95 degrees. This gives us a 3-day moving average of 93.7 degrees.

The 2-day moving average is calculated by averaging the previous 2 days of high temperatures. So, the 2-day moving average for today would be the average of the high temperatures on 95 and 93 degrees. This gives us a 2-day moving average of 92.5 degrees.

The mean absolute deviation (MAD) is a measure of how much variation there is from the moving average. In this case, the MAD for the 2-day moving average is 2 degrees. This means that the actual high temperatures have varied by an average of 2 degrees from the 2-day moving average.

The mean squared error (MSE) is another measure of how much variation there is from the moving average. In this case, the MSE for the 2-day moving average is 2.25 degrees^2. This means that the squared errors from the 2-day moving average have an average value of 2.25 degrees^2.

The mean absolute percent error (MAPE) is a measure of how much the actual high temperatures deviate from the moving average as a percentage of the moving average. In this case, the MAPE for the 2-day moving average is 2.2%. This means that the actual high temperatures have deviated from the 2-day moving average by an average of 2.2%.

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The graphs of the linear equations 10x - 12y = 14 and 5x - 6y = 7 intersect along the entire line represented by the equations.

To find the point of intersection between the graphs of the linear equations 10x - 12y = 14 and 5x - 6y = 7, we can solve the system of equations simultaneously.

First, let's solve the second equation for x:

5x - 6y = 7

5x = 6y + 7

x = (6y + 7) / 5

Next, substitute this expression for x into the first equation:

10x - 12y = 14

10((6y + 7) / 5) - 12y = 14

12y + 14 - 12y = 14

14 = 14

The equation 14 = 14 is always true. This indicates that the two equations represent the same line and are coincident. Therefore, the graphs of the two equations overlap and intersect at all points along the line defined by the equations.

In summary, the graphs of the linear equations 10x - 12y = 14 and 5x - 6y = 7 intersect along the entire line represented by the equations.

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The equilibrium point for the supply and demand equations p² + 4q = 253 and 183p² + 6q = 0 is (q, p) = (3, 10).

To find the equilibrium point, we need to solve the system of equations formed by the supply and demand equations. By substituting the value of q = 3 into the first equation, we get p² + 4(3) = 253, which simplifies to p² + 12 = 253.

Solving this equation gives us p = 10. Substituting the values of q = 3 and p = 10 into the second equation, we get 183(10)² + 6(3) = 0, which simplifies to 18300 + 18 = 0.

Since this equation holds true, we have found the equilibrium point to be (q, p) = (3, 10), where the equilibrium quantity is q = 3 and the equilibrium price is p = 10.

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Ok so we first have 18/18 when he doesn't loose any.

Lets take off 6 from the numerator which is.. 12/18

So.. your answer is 12/18 marbles left.

BUT!! if it were to be simplified... it would be. 2/3

ONLY USE 2/3 IF IT ASKS FOR SIMPLIFIED!!

Hope this helps. :)

c. False. It is not appropriate to compare two means at a same time with the way described above. This would remove the overall Type I Error is a 'Multiple Testing' problem.

The one-way ANOVA controls for the Type I Error and should be used instead. When comparing multiple means, conducting multiple independent two-sample t-tests is not recommended because the probability of committing a Type I error increases with each additional test, leading to an inflated overall Type I error rate.

ANOVA is a better method for comparing means when there are more than two groups as it compares all means simultaneously and controls for Type I error.

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Answer:

Expressions 1, 3, and 4 all equal \(x^{15}\)

Step-by-step explanation:

See the attached worksheet.

Answer:

first, third and fourth

Step-by-step explanation:

using the rule of exponents

\((a^m)^{n}\) = \(a^{mn}\)

then

\((x^3)^{5}\) = \(x^{3(5)}\) = \(x^{15}\) ← true

\((x^{\frac{1}{3})^5 }\) = \(x^{\frac{1}{3}(5) }\) = \(x^{\frac{5}{3} }\) ≠ \(x^{15}\)

\((x^\frac{1}{3}) ^{45}\) = \(x^{\frac{1}{3}(45) }\) = \(x^{15}\) ← true

\((x^5)^{3}\) = \(x^{5(3)}\) = \(x^{15}\) ← true

\((x^13)^{2}\) = \(x^{13(2)}\) = \(x^{26}\) ≠ \(x^{15}\)

Answer:

f=-9

Step-by-step explanation:

Answer:

yes

Step-by-step explanation:

The binary representation of 5,318,008 is 10100010010010101111000, whereas the binary representation of 73 is 1001001.

We notice that 73 is a binary palindrome while 5,318,008 is not, therefore we conclude that the best number is 73 and the answer is a.

Answer:

6

Step-by-step explanation:

4 kilometers is the height of the given mountain.

In this case, we can consider the height of the mountain as the length of one side of a right triangle, the distance Ben climbed as the length of another side, and the distance from the base of the mountain to the center as the hypotenuse.

Let's denote the height of the mountain as h. According to the given information, the distance Ben climbed is 5 kilometers, and the distance from the base to the center of the mountain is 3 kilometers.

Using the Pythagorean theorem, we have the equation:

\(h^2 = 5^2 - 3^2\\\\h^2 = 25 - 9\\\\h^2 = 16\)

Taking the square root of both sides, we find:

h = √16

h = 4

Therefore, the height of the mountain is 4 kilometers.

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Answer:

56.14%

Step-by-step explanation:

31 - 18 = 13

26 - 12 = 14

31 + 26 = 57

57 - 25 = 32

\(\frac{32}{57}\) want to take photography.

\(\frac{32}{57}\) =  56.140350877193%

56.14%

Answer:

w = \(\frac{p -2l}{2}\)

Step-by-step explanation:

p = 2l + 2w  Subtract 2l from both sides of the equation

p - 2l = 2p  Divide both sides by 2

\(\frac{p -2l}{2}\) = w

Answer:

1st: $36

2nd: $18

3rd:$9

Step-by-step explanation:

The first man gets 4

The second gets 2

The third gets 1

4 + 2 + 1 = 7

63/7 = 9

Each part equals $9

9*4  = 36

9 * 2 = 18

9 * 1 = 9

Check:

36 + 18 + 9 =

63

Answer:

One Chilly Night, Elijah Was Sleeping but Then Woke Up. He Realized It Was 45 Degrees According To the AC Monitor, So He Changed it To 70 Degrees But The Monitor Broke And Changed to -6 DEGREES!!

Step-by-step explanation:

A situation that can be represented by the integer - 6 was envisaged.

An integer is a whole number (not a fractional number) that can be positive, negative, or zero.

One day maths teacher decided to take a random test

There were 16 questions each of 4 marks and 1 mark deduction for each wrong answer, with no penalties for non-attempt.

David was so good at guessing. He guessed all the 16 answers out of which 2 were correct and 14 were incorrect.

So, the total marks that David got = 4(2)-1(14) = 8-14 =-6

Thus, a situation that can be represented by the integer - 6 was envisaged.

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Ravi used a total of 51 yards of fabric for the shirt, 38 yards of green fabric, and 13 yards of red fabric.

Ravi used 38 yards of green fabric and 13 yards of red fabric to make a shirt. To find out the total yards of fabric used, you can simply add the two amounts together.
38 yards (green fabric) + 13 yards (red fabric) = 51 yards of fabric So, Ravi used a total of 51 yards of fabric for his shirt, Ravi made a shirt using 38 yards of green fabric and 13 yards of red fabric. how many yards of fabric

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Answer:

y = 1/2x - 3

Step-by-step explanation:

The -3 is where the line is positioned vertically on the graph on the Y axis.

The 1/2x is the slope:

Go up 1, over 2 to plot points on the line, starting from y = -3