A __ is as polynomial with two terms.

Answer:

54

Step-by-step explanation:

6x=9x-27

x=9

9*9-27=54

Step-by-step explanation:

The slope is the ratio of change in number of cups to change in hours:

The y-intercept is the number of cups at zero hour:

The line would be:

Within-treatment variation: Variation among individuals of different groups. Between-treatment variation: Variation between individuals in different groups. Variation explained by factors included in the ANOVA model: Variation attributed to the factors or variables being studied. Variation that is not part of the ANOVA model: Residual or error variation not accounted for by the model.

What is ANOVA?

ANOVA stands for Analysis of Variance. It is a statistical method used to analyze and compare the means of two or more groups or treatments to determine if there are significant differences among them.

The within-treatment variation reflects variation among individuals of different groups.

Within-treatment variation refers to the variability observed within each group or treatment condition in an analysis of variance (ANOVA) model. It measures the differences or variations among individuals within the same group or treatment condition. This variation is typically attributed to random or uncontrolled factors that affect individuals within each group separately.

On the other hand, the variation between individuals in different groups is referred to as the between-treatment variation. It measures the differences or variations observed between the group means or treatment conditions in an ANOVA model. This variation is of interest as it helps determine if there are significant differences among the groups being compared.

The variation explained by factors included in the ANOVA model refers to the portion of the total variation that can be attributed to the specific factors or variables being studied in the analysis. It represents the variation that can be explained or accounted for by the factors included in the model.

Lastly, the variation that is not part of the ANOVA model refers to the residual or error variation. It represents the remaining variation that cannot be explained by the factors or variables included in the ANOVA model. This variation is often attributed to uncontrolled or unmeasured factors, measurement errors, or other sources of variability that are not accounted for in the model.

In summary:

Within-treatment variation: Variation among individuals of different groups.

Between-treatment variation: Variation between individuals in different groups.

Variation explained by factors included in the ANOVA model: Variation attributed to the factors or variables being studied.

Variation that is not part of the ANOVA model: Residual or error variation not accounted for by the model.

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To evaluate the predictive performance of the tree model, we need to create the lift chart using the test data and analyze its shape.

A lift chart is a graphical representation of the performance of a predictive model. It can be used to evaluate the effectiveness of a model in identifying a target variable, compared to a random guess. The lift chart shows how much better the model is performing than a random guess, at different levels of the target variable.

To produce a lift chart for a decision tree model, we typically first rank the test data according to the predicted probabilities of the target variable. Then, we divide the data into equal-sized segments, called quantiles, based on the predicted probabilities. For example, if we divide the data into 10 quantiles, the first quantile will contain the 10% of cases with the lowest predicted probabilities, the second quantile will contain the next 10% of cases, and so on, up to the 10th quantile, which will contain the 10% of cases with the highest predicted probabilities.

For each quantile, we calculate the ratio of the number of cases in that quantile that have the target variable to the number of cases we would expect to see if the model was performing no better than random chance. This ratio is called the lift, and it represents how much better the model is performing than random chance, at that level of the target variable.

We can then plot the lift for each quantile on a graph, with the x-axis representing the quantiles and the y-axis representing the lift. A good model will have a lift chart that is above the diagonal line, which represents the performance of a random guess.

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Answer:

Step-by-step explanation:

x2 + 5x + 4  (the area of the rectangle)

x + 2   (the length of one side)

(x2 + 5x + 4)/(x + 2)

do a division of this polynomial and you get;    (x + 3) - 2/(x+2), you could leave the answer like this or you could simplify by using the LCM method

= [(x+2)(x+3) - 2]/(x + 2)

checking; (x + 2)*[(x+2)(x+3) - 2]/(x + 2) = (x+2)(x+3) - 2 = x2 +5x + 6 - 2 = x2 +5x + 4 (proven)

Answer:

a. The total loss from buying and selling 300 shares at these prices can be calculated as follows:

Total cost of buying the stock = 300 shares x $41/share = $12,300

Total proceeds from selling the stock = 300 shares x $24.98/share = $7,494

Loss = Total cost - Total proceeds = $12,300 - $7,494 = $4,806

Therefore, the loss from buying and selling 300 shares of General Motors stock at these prices is $4,806.

b. To express the loss as a percent of the purchase price, we can use the following formula:

Loss percentage = (Loss / Total cost) x 100%

Substituting the values we found, we get:

Loss percentage = ($4,806 / $12,300) x 100% = 39.2%

Rounded to the nearest tenth of a percent, the loss percentage is 39.2%.

Answer:

it looks like 60

Step-by-step explanation:

The correct next step Amy could take is to factor (x^2 - 16) on the left side of the equation to yield (x + 4)(x – 4)(x + 2) = 0.

The equation is given as:

\(\mathbf{(x^2 - 16)(x + 2) = 0}\)

The possible next steps are:

1. Expand the equation as follows

\(\mathbf{x^3+2x^2-16x-32 = 0}\)

2. Express x^2 -16 as a difference of two squares as follows

\(\mathbf{(x + 4)(x- 4)(x + 2) = 0}\)

However, the correct step in this case is to factor x^2 - 16 as a difference of two squares to give \(\mathbf{(x + 4)(x- 4)(x + 2) = 0}\)

This is so, because the question says Amy is trying to solve for variable x.

This step will ensure that she gets the possible values of x, unlike expanding the whole equation .

Hence, the correct next step is \(\mathbf{(x + 4)(x- 4)(x + 2) = 0}\)

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Answer:

70

hope this helps you!!

Answer:

I think its B 216

Step-by-step explanation:

Because you multiply 12×9×2 and get 216 (I dont know if im right)

Answer:

y-4=100 and 100=y-5

Step-by-step explanation:

Because the addition property of equality is: The property stating that adding the same number to both sides of an equation does not change the equation.

Equations are used to represent equal expressions

The equivalent equation of y + 4 = 100 is 4 + y = 100

The equation is given as:

y + 4 = 100

Rewrite the equation as follows:

4 + y = 100

Hence, the equivalent equation of y + 4 = 100 is 4 + y = 100

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This is a translation of 2 units to the left and 5 units up, so the correct option is the first one.,

Remember that a vertical translation of N units is:

g(x) = f(x) + N

if N < 0 the translation is down.

if N > 0 the translation is up.

And a horizontal translation of N units is:

g(x) = f(x + N)

If N > 0 the translation is to the right.

if N < 0 the translation is to the left.

Here we have the transformation:

f(x) = x²

g(x) = (x + 2)² + 5

So this is a translation of 2 units to the left and 5 units up.

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Answer:

Her net result is +$15.

Step-by-step explanation:

If Marie lost then it would be a negative sign and if she won then it would be a positive sign.  For this case add the ones she lost which would total $30 and add the ones she won which would total $45.  Subtract the money she won with the money she lost to get a net result of +$15.

Answer:

y = -7x -4

Step-by-step explanation:

Slope-intercept form: y = mx + b

given:

m = -7

b = -4

answer: y = -7x -4

hope this helps :)

Answer:

4.8x10^11

480000000000

Step-by-step explanation:

Answer:

$48/4 pizzas

Step-by-step explanation:

⭐ A ratio is a fraction that relates one variable to another.

⭐ A proportion is when you make two ratios equal to each other to solve for one of the variables.

We want to find what it costs for Mike to buy 4 pizzas. To achieve this, we must make a proportion.

The transformation t is defined as t(x) = ax, where a is a constant.

To find the image of u under the transformation t, we need to substitute u for x in the expression t(x).

The transformation t:[3 ≥ [2 is defined as t(x)=ax, where a is a constant.

This means that for any given value of x in the domain [3,

the transformation t maps it to a corresponding value of ax in the codomain [2.

To find the image of u under the transformation t

                                     t(u) = au.

This means that the image of u under the transformation t is the value of au in the codomain [2.

For example, if u = 4 and a = 2, then t(u) = 2(4) = 8, which is the image of u under the transformation t.

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Answer:

6.9263 × 109

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

Answer:

3

Step-by-step explanation:

First you do 13 + 8

13 + 8 = 21

Then you divide by 3

21 divided by 3 is 7

Finally you subtract 4

7 - 4 = 3

Hope this helps!!

Answer:

3

________________________________________________________

When doing problems, remember PEMDAS, the order of operations:

Go by the list from top to bottom, and prioritize the higher-up orders first.

Start with 13 + 8

\(13 + 8 = 21\)

Next, divide by 3

\(21 / 3 = 7\)

Lastly, subtract by 4

\(7 - 4 = 3\)

________________________________________________________

Ask me in the comments box, please.

Answer:

square = 8

triangle = 3

circle = 2

Step-by-step explanation:

triangle + triangle = 6, one triangle = 3

triangle + circle = 5, circle = 5 - 3 = 2

square + circle = 10, square = 8

The least number of trips that Ava must make in order to deliver 250 cartons of books is 10 trips.

The least number of trips that Ava must make in order to deliver 250 cartons of books can be found by dividing the total number of cartons by the number of cartons that her car can hold per trip.

This can be written as:
Least number of trips = Total number of cartons / Number of cartons per trip

Substituting the given values into the equation, we get:
Least number of trips = 250 cartons / 26 cartons
Least number of trips = 9.62

Since Ava cannot make a fraction of a trip, we need to round up to the nearest whole number. Therefore, the least number of trips that Ava must make in order to deliver 250 cartons of books is 10.

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Answer:

That would be infinity. Both sides of the equation are 4x. Therefore anything you plug in for x would work

Answer:

16

Step-by-step explanation:

14-6=8 you subtract 6 because that's how many new ones you got. so then you multiply 8 by 2 and get 16 because 8 was half of 16 and 8+6=14 if that makes sense

The 45th term of the arithmetic sequence is 178. Option C

Given the arithmetic sequence formula as;

an = 2 + 4(n − 1)

we have n = 45

Let's substitute the value of 'n' into the formula;

a = 2 + 4( 45 - 1)

expand the bracket

a = 2 + 4(44)

a = 2 + 176

a = 178

The 45th term is 178

Thus, the 45th term of the arithmetic sequence is 178. Option C

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Answer:

62.8 cm²

Step-by-step explanation:

The formula for SA of a cylinder is:

\(SA=2\pi rh+2\pi r^{2}\)

with r being the radius and h being the height.

Let's substitute:

SA=2(2)(3)+22²

simplify

SA=26+24

SA=12+8

SA=20

SA=62.831

The surface area of this cylinder is 62.8 cm² (rounded to nearest tenth)

Hope this helps! :)

The performance score associated with the c grade is 157, and the performance score associated with the a grade is 355.

The z-score is a numerical measurement used in statistics to indicate how many standard deviations a particular value is from the mean of a dataset. It is calculated by subtracting the mean from the data point and dividing the result by the standard deviation. The resulting number is the z-score. The z-score is a useful tool for identifying outliers in a dataset, as values with z-scores that are too high or too low can be easily identified. Z-scores can also be used for comparing data points from different datasets, as z-scores are independent of the mean and standard deviation of the dataset. Z-scores can also be used for comparing data points from different datasets, as z-scores are independent of the mean and standard deviation of the dataset. This makes them ideal for normalizing data from different sources or for comparing data from different time periods or from different locations.

The z-score associated with the 9th percentile from the standard normal distribution is -1.28, and the z-score associated with the 91st percentile is 1.28.

b. (2 points) what are the performance scores associated with the c grade and the a grade?

The performance score associated with the c grade is 157, and the performance score associated with the a grade is 355.


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Answer:

z=75

Step-by-step explanation:

Answer:Z=75

Step-by-step explanation: Since the line is a straight angle, and all straight angles are equal to 180 degrees, you can start building an equation by setting both 101 degrees and (z+4) degrees to equal 180.

Your equation will then be (z+4)+101=180

Add like terms to get z+105=180
Subtract using the subtraction property of equality to get z=75

Hope this helps and good luck with your future courses!

Answer:

12 ten inch pieces

Step-by-step explanation:

you do 120 divided by 10 to get an answer of 12

hope this helped =)