.Answer pls. question in photo

Answer:

D: -7,-3,-1, 0,4 is the correcr option.

Answer: D

Step-by-step explanation:

The bigger the negative number the smaller it is then I'm sure you know how to order them after 0.

The probability that Ron will get by a pitch exactly once is 0.351912.

Given that out of 596 plate appearance Ron was hit 19 times from pitches.

We have to find the probability that ron was hit by pitches in 22 plate appearances.

The value of probability lies between 0 and 1. The formula of calculating proabability is number of items/ total items.

We can find the required probability through binomial distribution which is

n\(C_{r}p^{r} (1-p)^{n-r}\) where n is the number of trials and r is the successes.

Probability that Ron will be hit =19/596

=0.031

Probability that Ron will get hit by a pitch exactly once =P(X=1)

=\(22C_{1}(0.031)^{1} (1-0.031)^{21}\)

=22!/1!21!*0.031*\((0.969)^{21}\)

=22*0.031*0.516

=22*0.015996

=0.351912

Hence the probability that Ron will get hit by a pitch exactly once is 0.35.

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Answer:

Step-by-step explanation:

1) GH ≅ GH

HF ≅HL

GF ≅ GL

∠FGH =∠LGH

∠GHF = ∠GHL

∠GFH = ∠GLH

3)  WX ≅ DC

XY ≅ CY

WY ≅ DY

∠WXY ≅∠DCY

∠XYW≅ ∠CYD

∠XWY ≅∠CDY

It will take approximately 220 months (18.33 years) to pay off the mortgage.

Given, A mortgage of $125,600 at a 4.95 percent APR and payment of $1,500 each month. To find out how many months it will take to pay off the mortgage, we need to use the formula for amortization.

Amortization formula: P = (r * A) / [1 - (1+r)^-n] Where P is the Principal amount, A is the periodic payment, r is the interest rate, and n is the total number of payments required.We have, P = $125,600, A = $1,500, and r = 4.95% / 12 = 0.004125 (monthly rate).

Now, let's put the values into the formula and solve for n.

(125600) = [(0.004125) × 1500] / [1 - (1 + 0.004125)^-n](125600) / [(0.004125) × 1500]

= [1 - (1 + 0.004125)^-n]0.20442

= [1 - (1 + 0.004125)^-n]1 - 0.20442

= (1 + 0.004125)^-n0.79558

= (1 + 0.004125)^nln(0.79558) = n * ln(1.004125)ln(0.79558) / ln(1.004125)

= nn = 219.65

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Answer:

"A number, y, is equal to the difference of a larger number and 3."

\(y=x-3\)

You can rearrange this equation to find the matching answer choice:

\(y-x=-3\\x-y=3\)

"The same number is one third of the sum of the larger number and 9."

\(y=\frac{1}{3} (x+9)\)

You can rearrange this equation to find the matching answer choice:

\(y=\frac{1}{3} x+3\\3y=x+9\\3y-x=9\\x-3y=-9\)

Based on the provided information, Bonnie has 180 sheets of paper in her stack.

If 300 sheets of paper weigh 1 kg, then 600 sheets of paper will weigh 2 kg. This is because the weight of the paper is directly proportional to the number of sheets. Therefore, if the weight is doubled, the number of sheets will also be doubled.

To find the number of sheets of paper that Bonnie has, we can use the following equation:

Number of sheets = (Weight of Bonnie's stack of paper) * (300 sheets / 1 kg)

Plugging in the given values, we get:

Number of sheets = (600 g) * (300 sheets / 1 kg)

Number of sheets = (600 g) * (300 sheets / 1000 g)

Number of sheets = 180,000 / 1000

Number of sheets = 180

Therefore, Bonnie has 180 sheets of paper in her stack.

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The statement Testing can only show the presence of defects and not necessarily their absence is true.

Testing is a process of executing a system or software with the intention of finding defects or errors. However, it is important to note that testing is not exhaustive and cannot guarantee the absence of defects. Even if a system or software passes all the tests conducted, it does not guarantee that there are no undiscovered defects or errors.

Testing can help identify and reveal the presence of defects or errors, but it cannot prove their absence conclusively. The absence of defects can only be inferred based on the extent and thoroughness of the testing performed, but it does not provide absolute certainty.

Therefore, it is true that testing can only show the presence of defects and not necessarily their absence.

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Answer:

X = The number of hours Joey worked (C)

Step-by-step explanation:

$25 is the fee per hour worked. x is the amount of hours worked. added onto this total is another flat $75 fee for the whole visit, making the equation $25 multiplied by the number of hours worked, plus 75.

The age of Jeremy could be less than 22 years

From the question, we have the following parameters that can be used in our computation:

Jeremy = Rachel - 2

Let Jeremy = x and Rachel = y

So, we have

y = y - 2

Their ages added together is less than 46

So, we have

x + y < 46

This gives

x + x + 2 < 46

So, we have

2x < 44

Divide

x < 22

Hence, Jeremy could be less than 22 years

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Question

Jeremy is two years older than Rachel. The sum of the ages of Jeremy and Rachel is less than 46

How old could Jeremy be?

The inequality a^n ≥ b^n reduces to 1 ≥ 1, which is true. Hence, the proposition P(0) is true.

To show that the proposition P(4) is true, where P(n) is "If n>4, then n^2>n", we can use a direct proof.

Direct proof:

Assume n>4. Then, we can write n as n = 4 + k, where k is a positive integer. Substituting this into the inequality n^2 > n, we get:

(4 + k)^2 > 4 + k

Expanding the left-hand side, we get:

16 + 8k + k^2 > 4 + k

Simplifying, we get:

k^2 + 7k + 12 > 0

This inequality is true for all positive values of k, which means that n^2 > n holds for all n > 4. Therefore, the proposition P(4) is true.

To show that P(0) is true, where P(n) is "If a and b are positive integers with a≥b, then a^n≥b^n," we can use a trivial proof.

Trivial proof:

When n = 0, we have a^0 = b^0 = 1 for any positive integers a and b. Therefore, the inequality a^n ≥ b^n reduces to 1 ≥ 1, which is true. Hence, the proposition P(0) is true.

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Answer:

4c) the answer is :-3y=-6

divide by -3 and your ans is y=2

Answer:

(2xye^x²  -  2xy³) / (5y^4  + 3y²x² - e^x²)

Step-by-step explanation:

differentiate each term:

d/dx (y^5) + d/dx (x² y³) = d/dx (1) + d/dx (ye^x²)

any time y is differentiated, make sure to include dy/dx:

5y^4 dy/dx  +  2xy³ + 3y²x² dy/dx  = 0 + e^x² dy/dx + 2xye^x²

collect terms with dy/dx:

dy/dx (5y^4 + 3y²x² - e^x²)  =  2xye^x² - 2xy³

divide both sides  by  (5y^4 + 3y²x² - e^x²):

dy/dx = (2xye^x²  -  2xy³) / (5y^4  + 3y²x² - e^x²)

The value of AD in one decimal place for the given triangle is 9.8 cm.

A triangle is a closed, 2-dimensional shape with 3 sides, 3 angles, and 3 vertices.

Triangle is a very common figure to deal with our daily life for example in our daily life to measure the height of any tower then there is a huge application of the right angle triangle.

As per the given by triangle ΔADE

By Pythagoras' theorem,

(AD)² = (AE)² + (ED)²

(AD)² = 4² + 9²

(AD)² = 97

AD = 9.8

Hence "The value of AD in one decimal place for the given triangle is 9.8 cm".

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The missing image is attached below,

Therefore, the 99% confidence interval for the proportion of unemployed heads of households in the population is approximately 0.063 to 0.129.

To compute a 99% confidence interval for the proportion of unemployed heads of households in the population, we can use the formula for a confidence interval for a proportion:

P ± Z * sqrt(P(1 - P) / n)

Where:

P is the sample proportion of unemployed heads of households (48/500 = 0.096)

Z is the Z-score corresponding to a 99% confidence level (approximately 2.576 for a 99% confidence level)

n is the sample size (500)

Plugging in the values, we can calculate the confidence interval:

Lower Limit = 0.096 - 2.576 * sqrt((0.096 * (1 - 0.096)) / 500) ≈ 0.063

Upper Limit = 0.096 + 2.576 * sqrt((0.096 * (1 - 0.096)) / 500) ≈ 0.129

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The simplified and rationalized expression is: (4√3)/x.

To simplify the expression and rationalize the denominator, we need to rewrite the expression with a rational denominator.

First, let's simplify the expression: √3 4/0.5x.

To simplify the square root term, we can write it as: √(3 * 4)/(0.5x).

Simplifying the numerator: √12/(0.5x).

Next, let's rationalize the denominator by multiplying both the numerator and the denominator by 2:

(√12 * 2)/((0.5x) * 2).

Simplifying further: (2√12)/(1x).

Finally, simplifying the square root term: (2√(4 * 3))/x.

Simplifying the square root: (2 * 2√3)/x.

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The total number of dots on all the side faces (excluding the bottom face) is 16

If the bottom face of the dice rolled by Ramu shows 3 dots, we can determine the total number of dots on all the side faces (excluding the bottom face) by considering the fact that the opposite sides of a standard six-sided die always add up to 7.

The bottom face showing 3 dots means that the top face, which is not visible, would have (7 - 3) = 4 dots. Since the opposite sides add up to 7, the side faces adjacent to the bottom face will also have 4 dots each.

To calculate the total number of dots on all the side faces, we need to multiply the number of side faces (four in this case) by the number of dots on each side face:

Total number of dots on side faces = 4 (number of side faces) × 4 (number of dots on each side face) = 16.

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The answer is c = .6x + 5  

In order to find the equation, note that the price per pound is contingent upon the weight in x. Therefore, we can multiply the two together.

We also need to add the constant, which is 5.

Answer:

I believe the answer would be E.

Step-by-step explanation:

The 0.6 is a varying amount of pumpkins, so we know 0.6x.

5 is a set amount, and it will not change, so there will not be a variable at the end.

Combining them wouldn't make sense, so the best answer is E.

Answer: r = 11

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Required statistic options are option a and option c and required parameter options are b and d respectively.

a. In a survey of 360 credit card holders in the U.S., the mean service fee charged last year was $42.75. This is a statistic because it is a numerical value that describes a characteristic of a sample.

b. In the 2014-2015 academic year, 78.2% of public high school seniors from the state of Washington graduated. This is a parameter because it is a numerical value that describes a characteristic of an entire population.

c. A recent study of 1,625 elementary school children in the state of Washington found that 18.3% were living in poverty as classified by the federal government. This is a statistic because it is a numerical value that describes a characteristic of a sample.

d. The mean salary of all public college presidents in the U.S. was $428,000 in 2014. This is a parameter because it is a numerical value that describes a characteristic of an entire population.

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The age of a fossil can be determined using Carbon 14 dating. Carbon 14 dating is a method of determining the age of an object that is based on the decay of the isotope carbon-14. Carbon-14 has a half-life of approximately 5,730 years, which means that half of the initial amount of carbon-14 in a sample will decay in 5,730 years.

What is carbon dating in simple words?

Simply said, carbon dating is the process of using the presence of carbon 14 to estimate the age of ancient material (such as an archaeological or paleontological specimen).

If 32% of the initial amount of Carbon 14 in a sample remains, we can use the formula:

Age = t = (t1/2) * ln(2) / ln(A0/A)

Where t1/2 is the half-life of carbon-14 (5730 years), A0 is the initial amount of carbon-14 (100%), and A is the remaining amount of carbon-14 (32%).

Age = (5730) * ln(2) / ln(100/32)

Age = (5730) * 0.693 / (-1.51)

Age = 8129 years

So, approximately 8129 years have elapsed since the fossil was formed.

Note that this is an estimate and this method of dating can only be used for fossils that are less than about 60,000 years old. Also, this method assumes that the initial amount of carbon-14 in the sample is known, which can be affected by the environment and other factors that can affect the accuracy of the dating.

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To argue why the liberal arts are so important in education and leisure, one must discuss its Greek origin and how it is received today.

The term "liberal arts" comes from the Latin word "liberalis," which means free. It was used in the Middle Ages to refer to topics that should be studied by free people. Liberal arts refers to courses of study that provide a general education rather than specialized training. It encompasses a wide range of topics, including literature, philosophy, history, language, art, and science.The liberal arts curriculum is based on the idea that a broad education is necessary for individuals to become productive members of society. In ancient Greece, education was focused on developing the mind, body, and spirit.  

The study of the liberal arts is necessary to create well-rounded individuals who can contribute to society in meaningful ways. While the importance of the liberal arts has been debated, it is clear that they are more important now than ever before. The study of the liberal arts is necessary to develop the skills that are required in a rapidly advancing technological world.

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The location of point b on the number line is 8.25.

To find the location of point b on the number line, we need to determine the value that satisfies the ratio of ab:bc being 3:1.

Let's assume that the location of point b is represented by the variable x.

Given that the ratio of ab:bc is 3:1, we can set up the following equation:

ab/bc = 3/1

To find the length of ab and bc, we subtract the respective coordinates:

ab = x - 6

bc = 9 - x

Now we can substitute these values into the equation:

(x - 6)/(9 - x) = 3/1

To solve this equation, we can cross-multiply:

1 * (x - 6) = 3 * (9 - x)

Simplifying the equation:

x - 6 = 27 - 3x

Combine like terms:

4x = 33

Divide both sides by 4:

x = 33/4 = 8.25

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From given report, on average college women gain more weight than college men during their first year of college.

In this question, we ahve been given a study is conducted to show that college women, on average, gain more weight than college men during their first year of college.

The study is completed and reports a p-value of 0.001

We need to write the conclusion for above situation.

We can see that the results are statistically significant.

And from given p-value, we can say that on average college women gain more weight than college men during their first year of college.

Therefore, on average college women gain more weight than college men.

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If A is an invertible matrix, then ATA is also invertible. This is because the determinant of ATA is the product of the determinants of AT and A, and since A is invertible, its determinant is not equal to zero. Therefore, the determinant of ATA is also not equal to zero, which means that ATA is invertible.

1. If A is invertible, then det(A) ≠ 0.
2. The determinant of ATA is equal to the product of the determinants of AT and A, i.e. det(ATA) = det(AT) * det(A).
3. Since A is invertible, det(A) ≠ 0, and det(AT) = det(A), we have det(ATA) = det(A) * det(A) ≠ 0.
4. Therefore, ATA is also invertible.

In conclusion, if A is an invertible matrix, then ATA is also invertible.

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mZKNJ is indeed 53 degrees.

mZKNJ represents the measure of angle ZKNJ in degrees. From the given information, we know that angle K measures 53 degrees.

Therefore, the numerical value of mZKNJ is also 53 degrees. Angle ZKNJ is the same as angle K since they share the same vertex and are adjacent angles. Hence, their measures are equal.

So, mZKNJ is 53. It is important to note that the letter labels (J, N, K, M, L) are simply used to indicate the angles in the figure and do not have any direct mathematical significance.

The focus here is on the angle measurement, which is 53 degrees.

mZKNJ represents the measure of angle ZKNJ, and it is indeed 53 degrees. The letter labels (J, N, K, M, L) are used to identify the angles in the figure, while the numerical value of 53 degrees represents the measure of angle K, which is also applicable to angle ZKNJ.

Therefore, mZKNJ is indeed 53 degrees.

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The estimated regression function for predicting the average monthly heating cost of houses includes all four independent variables: average outside temperature in winter (X1), amount of attic insulation (X2), age of the furnace (X3), and size of the house (X4). The prediction interval for a house with specific values of these variables can be calculated using the model with the highest adjusted R2 statistic.

a) Scatter plots should be prepared to visualize the relationships between the average heating cost (Y) and each potential independent variable (X1, X2, X3, X4). The scatter plots will provide insights into the nature of the relationship between these variables. For example, the plot between average heating cost and average outside temperature might suggest a linear or curvilinear relationship. Similarly, the plots between average heating cost and attic insulation, furnace age, and house size will indicate the presence of any patterns or associations.

b) If the company wants to build a regression model using only one independent variable, the variable that shows the strongest linear relationship with the average heating cost should be used. This can be determined by examining the scatter plots and identifying the variable with the clearest linear trend or the highest correlation coefficient.

c) If the company wants to use two independent variables, it should select the two variables that exhibit the strongest relationships with the average heating cost. Again, this can be determined by analyzing the scatter plots and considering variables that show strong linear or curvilinear associations.

d) Similarly, when using three independent variables, the company should choose the three variables that display the strongest relationships with the average heating cost based on the scatter plots and any relevant statistical measures, such as correlation coefficients.

e) If the company chooses to use all four independent variables, the estimated regression function can be obtained through regression analysis. This will provide the equation for predicting the average monthly heating cost based on the values of the four independent variables. The function will have coefficients associated with each independent variable, indicating their respective contributions to the prediction.

f) To develop a 95% prediction interval for the average monthly heating cost of a house with specific values of the independent variables, the company needs to utilize the regression model with the highest adjusted R2 statistic. By plugging in the given values of attic insulation, furnace age, house size, and average outside winter temperature, along with the regression coefficients, the company can calculate the predicted average heating cost. The prediction interval will provide a range within which the actual average heating cost is likely to fall with 95% confidence. The interpretation of the interval is that 95% of the time, the average monthly heating cost of houses with those specific characteristics will be within that interval.

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Answer:

well the square root of 49 is 7 . so maybe this will help you.