integral (0,5) 3/2 x-6 can be interpreted as the area of a triangle above the x-axis minus the area of the triangle below the x-axis. The area of the lower triangle is 1/2 bh = and the area of the upper triangle is

In the context of a linear system with 3 equations that is inconsistent, the rank of the coefficient matrix refers to the number of linearly independent rows or columns present in the matrix.

For an inconsistent system, there is no solution that satisfies all the equations simultaneously. In the case of a 3-equation system, if the rank of the coefficient matrix is less than 3, it implies that at least one of the equations is linearly dependent on the others, leading to an inconsistent system.

A possible value for the rank of the coefficient matrix of an inconsistent linear system with 3 equations is 2. This is because, when the rank is 2, it indicates that two of the equations are linearly independent, while the third is dependent on the other two, creating an inconsistency.

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The success of a student's transformation can be determined by analyzing their performance data, but there may be external factors that could affect the outcome, and further analysis may be necessary.

If the student's data show a clear improvement in their performance, skills, or knowledge after undergoing a specific transformation, then we can say that the transformation was successful. On the other hand, if there is no discernible improvement or even a decline in the student's performance, we can infer that the transformation was unsuccessful.

However, in some cases, the data might not be entirely conclusive, and there could be other factors affecting the outcome. For example, a student may have made some progress, but not enough to meet the expected outcomes fully. In such cases, we might need to analyze the data more thoroughly to determine the extent of the transformation's success.

There could be several reasons why a student's data might not match the expected outcome of a successful transformation. For instance, the student might not have fully embraced the transformation or might have faced challenges or obstacles that hindered their progress. Additionally, external factors such as socioeconomic background, family support, and access to resources could also impact the results.

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The volume of the second box is 270 in³.

Given that the volume of a box varies jointly with its width and height.

The original box has a volume of 240 cubic inches and has a width of 8 inches and a height of 2 inches.

We can say that the length here works as proportionality constant,

So,

240 = l × 2 × 8

l = 240 / 16

l = 15

Now, when the width of 6 inches and a height of 3 inches, the volume =

15 × 3 × 6 = 270 in³

Hence the volume of the second box is 270 in³.

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Answer:the 3rd option

Step-by-step explanation:

Based on the International Classification of Diseases, 10th Revision (ICD-10), the correct code block to report that a newborn is affected by maternal factors and complications of pregnancy, labor, and delivery is:

b. P00-P04

The code block P00-P04 specifically pertains to Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery. This code block includes various conditions and complications that can arise during the perinatal period related to the maternal factors and the process of pregnancy, labor, and delivery. These codes are used to document and classify specific conditions or complications affecting the newborn that are attributable to maternal factors and the events surrounding childbirth.

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To solve the equation x^2-14x-11=-30, we can first move all the terms to one side of the equation: x^2 - 14x - 11 + 30 = 0Simplifying the left side:

x^2 - 14x + 19 = 0

To solve for x, we can use the quadratic formula:  

x = (-b ± sqrt(b^2 - 4ac)) / 2a

In this case, a = 1, b = -14, and c = 19. Plugging these o solve the equation x^2-14x-11=-30, we can first move all the terms to one side of the equation:

x^2 - 14x - 11 + 30 = 0

Simplifying the left side:

x^2 - 14x + 19 = 0

To solve for x, we can use the quadratic formula:

x = (-b ± sqrt(b^2 - 4ac)) / 2a

In this case, a = 1, b = -14, and c = 19. Plugging these values into the formula, we get:

x = (14 ± sqrt(14^2 - 4(1)(19))) / 2(1)

Simplifying the square root:

x = (14 ± sqrt(108)) / 2

x = (14 ± 10.39) / 2

x ≈ 12.2 or x ≈ 1.8

Therefore, the solutions to the equation x^2-14x-11=-30 to the nearest tenth are x ≈ 12.2 and x ≈ 1.8.

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There were 312 pieces of paper on the bulletin board by the end of the school year.

To find the number of pieces of paper on the bulletin board, we need to calculate the total area covered by the book titles and then divide it by the area of each piece of paper.

Area of the bulletin board: 34 2/3 square feet.

Let's first convert the area of the bulletin board to a fraction:

Area of bulletin board = 34 2/3 = (3 * 34 + 2)/3 = 104/3 square feet.

Next, we find the area of each piece of paper:

Area of each piece of paper = (1/3) ft * (1/3) ft = 1/9 square feet.

Now, we can find the number of pieces of paper on the bulletin board by dividing the total area covered by the area of each piece of paper:

Number of pieces of paper = Area of bulletin board / Area of each piece of paper

Number of pieces of paper = (104/3) / (1/9)

Number of pieces of paper = (104/3) * (9/1)

Number of pieces of paper = 936/3

Number of pieces of paper = 312

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The expression (1.4 × 10¹)(8 × 10⁴) in scientific notation is 1.12 × 10⁵ and for expression (1.1 × 10⁻⁵)(3 × 10²) the  scientific notation is 3.3 × 10⁻³

The given expressions are (1.4 × 10¹)(8 × 10⁴) can be calculated as:

Firstly we will multiply the decimal numbers and whole numbers

1.4 × 8

One point four times eight is equal to eleven point two

= 11.2

Now we multiply the base with ten

10¹ × 10⁴

We know that when the bases are same then the powers will be added in multiplication

= 10⁵

Combining these results, we have 11.2 × 10⁵

Therefore, the result in scientific notation is 1.12 × 10⁵

Similarly, for (1.1 × 10⁻⁵)(3 × 10²)

We will multiply the decimal numbers and whole numbers

1.1 × 3 = 3.3

Now the base with ten will be multiplied

10⁻⁵ × 10²

The bases are same the powers will be added

= 10⁻³

Combining these results, we have 3.3 × 10⁻³

Therefore, the result in scientific notation is 3.3 × 10⁻³

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If a storage facility charges $1 per cubic yard and the storage space is 32 ft. The storage charge is $1999.97.

What is mathematical conversions?

Mathematical conversions refer to the process of changing one unit of measurement to another unit of measurement that is equivalent in value.

First, we need to convert the dimensions from feet to yards, since the rate is given per cubic yard.

32 feet = 10.6667 yards (dividing by 3)

160 feet = 53.3333 yards (dividing by 3)

10 feet = 3.3333 yards (dividing by 3)

Next, we can calculate the volume of the storage space in cubic yards by multiplying the three dimensions:

Volume = 10.6667 yards x 53.3333 yards x 3.3333 yards

Volume = 1999.97 cubic yards (rounded to two decimal places)

Finally, we can calculate the storage charge by multiplying the volume by the rate:

Charge = 1999.97 cubic yards x $1/cubic yard

Charge = $1999.97

Therefore, the storage charge is $1999.97.

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The  probability that a 3 standard deviation event never occurs out of 1000 trials is approximately 2.3 × 10^-6.

Assuming that the probability of a 3 standard deviation event occurring in a single trial is low, we can use the binomial distribution to estimate the probability that such an event never occurs out of n trials.

Let p be the probability of a 3 standard deviation event occurring in a single trial. Since a 3 standard deviation event is defined as an event that is 3 standard deviations away from the mean, we can use the standard normal distribution to calculate this probability. The probability of a standard normal random variable being greater than 3 is approximately 0.0013. Therefore, we can assume that p = 0.0013.

Let X be the number of trials out of n in which a 3 standard deviation event occurs. Then X has a binomial distribution with parameters n and p. The probability that a 3 standard deviation event never occurs out of n trials is given by:

P(X = 0) = (1 - p)^n

Substituting p = 0.0013, we get:

P(X = 0) = (1 - 0.0013)^n

To calculate the probability that a 3 standard deviation event never occurs out of n trials, we need to know the value of n. If n is large, we can use the normal approximation to the binomial distribution. The normal approximation to the binomial distribution states that if n is large and p is not too close to 0 or 1, then X has approximately a normal distribution with mean np and variance np(1-p). In this case, we can use the following formula to estimate the probability that a 3 standard deviation event never occurs out of n trials:

P(X = 0) ≈ Φ((0.5 - np) / sqrt(np(1-p)))

where Φ is the cumulative distribution function of the standard normal distribution.

For example, if we take n = 1000, then np = 1.3 and np(1-p) ≈ 1.2987. Using the above formula, we get:

P(X = 0) ≈ Φ((0.5 - 1.3) / sqrt(1.2987)) ≈ Φ(-4.51) ≈ 2.3 × 10^-6

Therefore, the probability that a 3 standard deviation event never occurs out of 1000 trials is approximately 2.3 × 10^-6.

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The solution is: the required length is:

AE = 9 units

Explanation:

We know that the line joining two midpoints in a triangle is parallel to the third side and equals half its length

In the diagram, we are given that:

segment BD // segment AE and that segment BD is a mid-segment of the ΔACE

According the above theorem, we can conclude that:

BD = 0.5 × AE ......................> I

1- getting the length of BD:

Length of segment BD can be calculated using the distance formula:

Formula: distance= √(x_2-x_1)²+(y_2-y_1)²

We are given that:

B is at (3.5,1.5) which means that x₁ = 3.5 and y₁=1.5

D is at (-1,1.5) which means that x₂=-1 and y₂=1.5

Substitute in the formula:

BD = 4.5 units

2- getting the length of AE:

using equation I:

BD = 0.5 × AE

4.5 = 0.5 × AE

AE = 2 × 4.5

AE = 9 units

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complete question:

Find the length of AE if BD AE and BD is a midsegment of ACE

The required length is: AE = 9 units

We know that the line joining two midpoints in a triangle is parallel to the third side and equals half its length

In the diagram, we are given that:

segment BD // segment AE and that segment BD is a mid-segment of the ΔACE

According the above theorem, we can conclude that:

BD = 0.5 × AE ......................> I

1- getting the length of BD:

Length of segment BD can be calculated using the distance formula:

Formula: distance= √(x_2-x_1)²+(y_2-y_1)²

We are given that:

B is at (3.5,1.5) which means that x₁ = 3.5 and y₁=1.5

D is at (-1,1.5) which means that x₂=-1 and y₂=1.5

Substitute in the formula:

BD = 4.5 units

2- getting the length of AE:

using equation I:

BD = 0.5 × AE

4.5 = 0.5 × AE

AE = 2 × 4.5

AE = 9 units

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The question is incomplete complete question is given below

Find the length of AE if BD AE and BD is a midsegment of ACE

If the coefficient of variation of w is 0.8739, then the value of k is 1.1.

Given that, P, Q and R are three independent and identically distributed Poisson random variables with mean k.

Here,

[tex]E(P)=E(Q)=E(R)=k[/tex]

[tex]V(P)=V(Q)=V(R)=k[/tex]

Let [tex]W=20p-5Q+10R[/tex]

[tex]= 20E(P)-5E(Q)+10E(R)[/tex]

[tex]= 20k-5k+10k[/tex]

[tex]= 25k[/tex]

[tex]V(W)=V(20p-5Q+10R)[/tex]

[tex]=400V(P)+25V(Q)+100V(R)[/tex]

[tex]= 400k+25k+100k[/tex]

[tex]= 525k[/tex]

We know that, coefficient of variance is

[tex]C.V=\frac{\sigma}{\mu}[/tex]

[tex]\frac{\sqrt{525k}}{25k}=0.8739[/tex]

[tex]\sqrt{525k}=21.8475 k[/tex]

[tex]525k = 477.313256 k^2[/tex]

[tex]k=\frac{525}{477.313256}[/tex]

[tex]k = 1.0999066[/tex]

[tex]k\approx1.1[/tex]

Therefore, the value of k is 1.1.

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Surface area of the square pyramid is 7 square mi.

A square pyramid is a three-dimensional geometric figure which has a square base and four lateral faces, The lateral faces are triangular faces with a common vertex.

Let us consider a square pyramid, whose side length is "a" and slant height is "h".

Then the area of the base, i.e. area of square shaped base = square unit and the area of each triangular face is (1/2 × a × h) square unit.

So, the sum of areas of 4 triangular faces is 4 × (1/2 × a × h)=2ah square unit.

∴ Surface area of a square pyramid = Area of base + Area of 4 side face

[tex]\sf = (a^2+2ah) \ square \ unit[/tex]

Given that, Side length (a) = 1 mi

And Slant height (h) = 3 mi

∴ Surface area of the given square pyramid = [tex]\sf (1)^2+(2\times1\times3) \ square \ mi[/tex]

[tex]\sf = 1+6 \ square \ mi[/tex]

[tex]\sf = 7 \ square \ mi[/tex]

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To find the estimated population growth between 2021 and 2039, we first need to determine how many years have passed since 2000. The population is estimated to grow by 21,000 people between 2021 and 2039.

Since we are looking at the time period between 2021 and 2039, we know that 21 years have passed since 2000. Therefore, we can use the formula for population growth:
P(t) = P(0) + r(t)
Where P(t) is the population at time t, P(0) is the initial population, and r(t) is the rate of growth per year. We can plug in the values we know:
P(t) = 45,000 + 1200t (since the rate of growth is 1200 people per year)
To find the population in 2021, we need to plug in t=21:
P(21) = 45,000 + 1200(21) = 72,600
To find the population in 2039, we need to plug in t=39:
P(39) = 45,000 + 1200(39) = 93,600
Therefore, the estimated population growth between 2021 and 2039 is:
93,600 - 72,600 = 21,000

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The population of the town in 10 years as per given rate of decrease is equal to approximately 9,566 people.

Todays population of a town = 20,000

Time period = 10 years

To find the town's population in 10 years if it decreases linearly by 7% each year,

Use the formula for linear decrease,

P = P₀ × (1 - r)ⁿ

Where

P is the population after n years

P₀ is the initial population

r is the rate of decrease expressed as a decimal.

n is the number of years

In this case, the initial population P₀ is 20,000,

the rate of decrease r is 7% or 0.07,

and the number of years n is 10.

Substituting these values into the formula,

P = 20,000 × (1 - 0.07)¹⁰

Calculating the expression,

⇒ P ≈ 20,000 × (0.93)¹⁰

⇒ P ≈ 20,000 × 0.4783

⇒ P ≈ 9,566

Therefore, the town's population in 10 years, if it decreases linearly by 7% each year, will be approximately 9,566 people.

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The answer is f(-34)=-2310. The value of a function at a given point is known as its output or evaluation. The input is referred to as the point at which the function is evaluated.

The problem requires the evaluation of f(-34), given f(x)=-2x²+8x-17. To obtain this result, all instances of x should be replaced with -34.

The following steps can be used to achieve the solution. Step 1: Substitute -34 for x in the equation f(x)=-2x²+8x-17.f(-34)=-2(-34)²+8(-34)-17Step 2: Use the order of operations to solve the equation. f(-34)=-2(1156)-272-17f(-34)=-2310The final answer is f(-34)=-2310.

Therefore, substituting -34 for x in the equation f(x)=-2x²+8x-17 gives a result of -2310.What does it mean? This implies that if x is equal to -34, then the value of the function will be equal to -2310.

The value of a function at a given point is known as its output or evaluation. The input is referred to as the point at which the function is evaluated. Therefore, by following the above steps, the answer is f(-34)=-2310.

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A total of 37 people received a gift card over the weekend.

We may divide the total number of mall visitors on Saturday by the frequency to determine how many people received gift cards:

1,310 ÷ 80 = 16.375

We must round down to the nearest whole number because we are unable to have a fractional number of gift cards. So on Saturday, 16 people were given gift cards.

We can use the same procedures to determine the number of persons who received gift cards on Sunday:

1,714 ÷ 80 = 21.425

So, 21 people received a gift card on Sunday.

We can add the number of gift card recipients on Saturday and Sunday to determine the total number of persons who received a gift card during the weekend:

16 + 21 = 37

Therefore, a total of 37 people received a gift card over the weekend.

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The interval that is likely to contain the exact percentage of residents in the city who regularly eat organic foods is given as follows:

The interval is from 31.4% to 36.6%.

A confidence interval for a parameter is defined as the estimate of the parameter plus/minus the margin of error.

For this problem, we have that:

Hence the lower bound of the interval is given as follows:

34 - 2.6 = 31.4%.

The upper bound of the interval is given as follows:

34 + 2.6 = 36.6%.

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Answer:

Step-by-step explanation:

hhhhhhhhhhhhhhhhhhhhhh

Step-by-step explanation:

7x-8y = - 5     arrange to   y = mx+ b  form    m is the slope of this line

8y = 7x+5

y = 7/8 x = 5/8     <======   m, slope = 7/8  

           perpendicular slope =  - 1/m  =  - 8/7

Now use point ( -7,3)   slope (-8/7)  form:

  y-3   = - 8/7 ( x - - 7)     simplify

   y = -8/7 x  + 5          re-arrange ,   add  8/7 x to both sides of the equation

   8/7 x  + y = 5                 multiply through by 7 to get integer values

      8x + 7y =  - 35  

We fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that the death rate for the treatment group is different from the overall death rate of 23%.

The null hypothesis is a kind of hypothesis which explains the population parameter whose purpose is to test the validity of the given experimental data.

To determine if any conditions are met, we need to perform a hypothesis test.

Null Hypothesis (H₀): The death rate for the treatment group is the same as the overall death rate of 23%.

Alternative Hypothesis (Hₐ): The death rate for the treatment group is different from the overall death rate of 23%.

We can use a one-sample proportion z-test to test this hypothesis. The test statistic is calculated as:

z = (p - P) / √(P(1-P) / n)

where p is the sample proportion (15/84), P is the hypothesized proportion (0.23), and n is the sample size (84).

Using these values, we get:

z = (0.1786 - 0.23) / √(0.23 * 0.77 / 84) = -1.76

The corresponding p-value for this test statistic is 0.0788, which is greater than the standard significance level of 0.05. Therefore, we fail to reject the null hypothesis and conclude that there is not enough evidence to suggest that the death rate for the treatment group is different from the overall death rate of 23%.

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The pharmacist is left with 2100 ml(milliliter) of cough syrup.

According to the question,

Pharmacists have 3.6 L(liter) of cough syrup.

1 L = 1000 ml (Given)

Therefore, 3.6 L = 3.6 x 1000

                           = 3600 ml

It’s given in the question that the pharmacist fills a 1500 ml bottle with cough syrup.

To find the quantity of cough syrup left with the pharmacist, we will subtract the quantity of bottle from the total quantity of cough syrup.

Cough syrup left with her after filling the bottle = 3600 – 1500

                                                                              = 2100 ml

Hence, she is left with 2100 ml of cough syrup after filling up a bottle of 1500 ml quantity.

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The constant ratio of successive y-values. is 1.5

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

The table of values of an exponential function

From the table, we have

x    y

0   11.25

1     16.875

Divide the y values

so, we have the following representation

Ratio = 16.875/11.25

Evaluate

Ratio = 1.5

Hence, the constant ratio of successive y-values. is 1.5

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Answer:

Step-by-step explanation:

To find the constant ratio of successive y-values of an exponential function, you need to divide one term by the previous term. That ratio should match for all y values1.

In this case, we can find the constant ratio by dividing each y-value by the previous one. For example, 7.5/5 = 1.5 and 11.25/7.5 = 1.5 and so on. Therefore, the constant ratio of successive y-values is 1.5

Approximately 91.92% of test-takers scored higher than 69 on this standardized test.

To find the percentage of scores that are greater than 69, we need to standardize the score by calculating its z-score:

z = (69 - 90) / 15 = -1.4

The z-score represents the number of standard deviations away from the mean a score is. Since the normal distribution is symmetric, we can find the percentage of scores greater than 69 by finding the area under the curve to the right of the z-score.

Using a standard normal distribution table or calculator, we find that the area to the right of a z-score of -1.4 is 0.9192.

Therefore, the percentage of scores greater than 69 is:

0.9192 x 100% = 91.92%

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[tex]\textit{volume of a cone}\\\\ V=\cfrac{\pi r^2 h}{3}~~ \begin{cases} r=radius\\ h=height\\[-0.5em] \hrulefill\\ h=9\\ r=4 \end{cases}\implies V=\cfrac{\pi (4)^2(9)}{3}\implies V\approx 150.80~cm^3[/tex]

Seyall Industries recently tested some of its employees for drug use. It's likely that these tests weren't conducted at random, but rather because of a solid suspicion or solid evidence. This statement is false.

Employers may have reasonable suspicion or probable cause to conduct drug tests on employees in a variety of situations, such as when an employee exhibits behavior that suggests drug use or when an employee has been involved in an accident or incident that may be related to drug use.

Additionally, some industries may require drug testing as a condition of employment or as part of safety regulations. It is important for employers to have a clear drug testing policy in place that outlines the circumstances under which testing may be conducted, the procedures for conducting tests, and the consequences for positive results.

Employers should also ensure that they comply with any applicable laws and regulations regarding drug testing in the workplace. This is because drug testing in the workplace is typically conducted based on specific criteria and is not usually done at random.

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The value of a in the expression is -4.

We have,

8a + 17 = 5a + 5

Combine the like terms.

8a - 5a = 5 - 17

3a = -12

Divide 3 on both sides.

3a/3 = -12/3

a = -4

Thus,

The value of a in the expression is -4.

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If D is the distance that Jason ran (in miles), the inequality will be:

D < 3.

Here we want to write an inequality for the given sentence:

"Jason ran for less than 3 miles."

Let's define the variable D as the distance that Jason ran in miles, now we want to write an inequality that says that D is less than 3 miles.

To do so, we will use the symbol <, it is used to say that the thing in the left is smaller than the thing in the right, then the inequality will be:

D < 3.

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A system of equations that can be used to find the numbers.

Equation 1: x + y = -18

Equation 2: x - y = 38.

The two numbers that Kasey is thinking of are 10 and -28.

To find the two numbers that Kasey is thinking of, we can set up a system of equations based on the given information.

Let's denote the two numbers as x and y.

Equation 1: The sum of the two numbers is -18.

This can be represented as:

x + y = -18

Equation 2: The difference between the two numbers is 38.

This can be represented as:

x - y = 38.

Now, we have a system of two equations with two variables. We can solve this system to find the values of x and y.

One approach to solve this system is by using the method of substitution or elimination.

In this case, we will use the method of elimination.

Adding Equation 1 and Equation 2, we eliminate the y variable:

(x + y) + (x - y) = -18 + 38

2x = 20

x = 10

Substituting the value of x into Equation 1:

10 + y = -18

y = -28

Therefore, the two numbers that Kasey is thinking of are 10 and -28.

By solving the system of equations, we found that one number is 10 and the other number is -28.

These values satisfy the conditions given in the problem, where their sum is -18 and their difference is 38.

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The slope of the tangent line to the polar curve r=sin(5) at theta = pi/10 is -25cos(pi/10).

To find the slope of the tangent line, we need to differentiate the polar curve with respect to theta and then evaluate it at the given value of theta. So, we have r=sin(5) and we can write it in terms of x and y using the conversion formulae x=rcos(theta) and y=rsin(theta). Substituting r=sin(5), we get x=sin(5)*cos(theta) and y=sin(5)*sin(theta). Differentiating both x and y with respect to theta, we get dx/dtheta=-sin(5)*sin(theta) and dy/dtheta=sin(5)*cos(theta).

The slope of the tangent line is given by dy/dx, which is equal to dy/dtheta divided by dx/dtheta. Evaluating this expression at theta = pi/10, we get -25cos(pi/10).

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