Which linear graph represents a proportional relationship?

Answer:

p<11-4

p<7

Step-by-step explanation:

we have 4+p<11 where we send 4 in another side and we get p<11-4 =p<7

The point of concurrency of the angle bisectors of a triangle is known as the incenter of a triangle.

The confluence point of the elevations in a triangle is known as the orthocenter. The intersection of three or more lines, rays, segments, or planes is referred to as a point of concurrency.

This point will be equidistant from the sides of a triangle, as the central axis’s junction point is the center point of the triangle’s inscribed circle.

A point that is equally spaced from a triangle's sides contains all three of its angle bisectors simultaneously.

Therefore, the point of concurrency of the angle bisectors of a triangle is known as the incenter of a triangle.

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the volume of the solid generated by revolving the shaded region about the given axis x- axis is: 2π/3

The difference between the area of the complete polygon and the area of the unshaded portion inside the polygon is the area of the shaded region. There are two methods for the area of the darkened component to appear in polygons. The darkened area can be found either in the polygon's center or on one of its sides.

We first solve for y from the equation:

x+2y=2

or, 2y = 2 - x

or, y = (2 - x) / 2

From the graph we see that the equation is from x=0 to x=2

And it is rotating about the x axis. We can use the Disk method to find the volume of the solid:

= π [tex]\int\limits^2_0 {((2 - x)/2)^2} \, dx[/tex]

= π/4 [4x - 2x² + x³/3]₀²

= 2π/3

so, 2π/3 is the volume of the solid, it is rotating about the x axis.

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The complete question is as follows:

The height of each candle at 11:00 PM will be 3.5 inches.

This is because each candle starts at 8 inches tall and decreases by 3/4 of an inch per hour as it burns

To find out the height of each candle at 11:00 PM, we need to calculate the total change in height of each candle over the 6 hours it was burning.

Each hour, the height of each candle changes by -3/4 inch. So over 6 hours, the height of each candle changes by:

Since each candle started at 8 inches, the height of each candle at 11:00 PM will be:

This question is incomplete and should be provided as:

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None of the choices is correct, and a column vector in R^2 is not a 1x2 matrix.

[ ] The set of all vectors which are scalar multiple of a nonzero vector u is a line through u and 0.

[ ] The operation of vector addition is not commutative.

[ ] The magnitude of a vector cv is c times the magnitude of v, where c is any scalar.

None of the choices is correct, and a column vector in R^2 is not a 1x2 matrix.

None of the choices is correct. The set of all vectors which are scalar multiple of a nonzero vector u is a line through u and the origin (not just 0). The operation of vector addition is not commutative, meaning that the order of addition matters. The magnitude of a vector cv is c times the magnitude of v, where c is any scalar and v is a vector. A column vector in R^2 is a matrix with two columns and one row (1x2 matrix).

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The two sides of an inequality are not the same so inequality can never be true.

When two expressions are connected by a sign like "not equal to," "greater than," or "less than," it is said to be inequitable. The inequality shows the greater than and less than relationship between variables and the numbers.

Given that the inequality is 2(3x - 1) +4> 6x + 2. The inequality will be solved as below;-

2(3x - 1) +4> 6x + 2

6x - 2 + 4 > 6x + 2

6x + 2 > 6x + 2

The two sides are equal so inequality can never be true.

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Answer: There are 8 11-year-old students and 22 12-year-old students in Liam's class.

Step-by-step explanation:

Let's call the number of 11-year-old students in class x. Then, the number of 12-year-old students in the class would be 30 - x.

The total number of years that the 11-year-old students represent is 11 * x.

The total number of years that the 12-year-old students represent is 12 * (30 - x).

The sum of all the years is 352, so we can set up an equation based on the above information:

11x + 12(30 - x) = 352

Expanding the second term on the left-hand side:

11x + 360 - 12x = 352

Combining like terms:

-x + 360 = 352

Subtracting 360 from both sides:

-x = -8

Dividing both sides by -1:

x = 8

So, there are 8 11-year-old students and 30 - 8 = 22 12-year-old students in Liam's class.

The ratio of [PAB]/[QAB]. is 1/3

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

The triangle

Also, we have

PQ/QR = 1/3

This means that;

The line segments divide PAB to 1/3

So, we have

PAB = 1

QAB = 1 - 1/3 = 2/3

When represented as quotient, we have

[PAB]/[QAB] = 3/2

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So Eric's relative error to the nearest thousandth is 0.007 or 0.7%.

Relative error can be calculated using the following formula:

Relative error = (|measured value - actual value|) / actual value

In this case, the actual value is 3 inches, and the measured value is 2.98 inches. So, we can calculate the relative error as follows:

Relative error = (|2.98 - 3|) / 3 = (0.02) / 3 = 0.0067

To find the relative error to the nearest thousandth, we round the result to three decimal places:

Relative error = 0.007

So Eric's relative error to the nearest thousandth is 0.007 or 0.7%.

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So Eric's relative error to the nearest thousandth is 0.007 or 0.7%.

The relative error can be calculated using the following formula:

Relative error = (measured value - actual value|) / actual value

In this case, the actual value is 3 inches, and the measured value is 2.98 inches. So, we can calculate the relative error as follows:

Relative error = (|2.98 - 3|) / 3 = (0.02) / 3 = 0.0067

To find the relative error to the nearest thousandth, we round the result to three decimal places:

Relative error = 0.007

So Eric's relative error to the nearest thousandth is 0.007 or 0.7%.

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The subject is taught in a non-theoretical manner in Al Bluman's Elementary Statistics. Today's world speaks statistics, and Bluman's market-leading Step-by-Step Approach makes it simple to learn and comprehend.

Bluman gives your students all the assistance they need to understand the foundations of statistics and draw that link by assisting them in transitioning from the computational to the conceptual.

Elementary Statistical Methods are the collection, analysis, presentation, and interpretation of data, and probability. The analysis includes descriptive statistics, correlation and regression, confidence intervals, and hypothesis testing.

Thus, The subject is taught in a non-theoretical manner in Al Bluman's Elementary Statistics. Today's world speaks statistics, and Bluman's market-leading Step-by-Step Approach makes it simple to learn and comprehend.

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Coordinates of point B are (5x₂+6x₁)/11 and (5y₂+6y₁)/11

What is the section formula in coordinate geometry?

When the line segment is divided internally in the ratio m:n, we use this formula.  That is when point C lies somewhere between points A and B. p= (mx₂+nx₁)/(m+n) & q= (my₂+ny₁)/(m+n)

Given here,  point B on AC such that the ratio of AB to AC is 5:6

Let the point B(p,q) internally divide the line joining points A(x₁, y₁) and C(x₂, y₂) in the ratio m : n , then,

p= (mx₂+nx₁)/(m+n)

q= (my₂+ny₁)/(m+n)

Here. m=5 and n=6

p=(5x₂+6x₁)/11 , q=(5y₂+6y₁)/11

Hence, the Coordinates of point B are (5x₂+6x₁)/11 and (5y₂+6y₁)/11

I hope this helps <3

The check for independence in a one- sample is

The population size is further than 10 times the sample size.

The Correct option is D.

What is Z- test?

A Z- test is a statistical thesis test used to determine whether a sample mean significantly differs from a given population mean when the population standard divagation is known.

For a one- sample z- test for a population proportion, the sample is named without relief from a finite population.

In order for the test to be valid, it's necessary to insure that the sample is small relative to the population size.

still, it can be considered large enough to satisfy the independence supposition, If the population size is further than 10 times the sample size. This supposition is necessary for the validity of statistical conclusion in this environment.

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The unit vector that is parallel to a⃗ is (6/√74)i^−(4/√74)k^.

1. Calculate magnitude of a⃗:

a⃗ = 6.0i^−4.0k^

|a⃗| = √(6.0^2+4.0^2) = √74

2. Construct unit vector, u⃗= (6/√74)i^−(4/√74)k^

u⃗ = (6/√74)i^−(4/√74)k^

3. The unit vector that is parallel to a⃗ is (6/√74)i^−(4/√74)k^.

The unit vector that is parallel to a⃗ is (6/√74)i^−(4/√74)k^.

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The class that has more students, given the percentage of students in both classes is Emily's homeroom tab .

To find the class with the higher number of students, you need to find the total number of students in these classes.

The number of students in Emily's homeroom class is:

= Number of students / Percentage of students

= 15 / 75 %

= 20 students

Students in Santiago's homeroom class is :

= 12 / ( 2 / 3 )

= 12 x 3 / 2

= 18 students

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According to the information in the graph, it can be established that the profit for 600 people would be $3,013.96

To calculate the profit for 600 people we must take into account the information in the graph. In this case we must establish how many people participated in the survey and how much was the total profit of the store with these customers.

Now we must make a rule of three to establish how much the profit would be in a group of 600 buyers.

According to the above, the profit of the store with a group of 600 buyers would be 3,012.96

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23. g(x)=3(2x+3) has a slope of 6 and y-intercept of 9.

24. g(x)=2(0.5x) +3 has a slope of 1 and y-intercept of 3.

25. g(x)=1(2x+3) has a slope of 2 and y-intercept of 3.

26. g(x)=2(1)x+3 has a slope of 2 and y-intercept of 3.

23. g(x)=3(2x+3) can be written as g(x)=6x + 9. This shows that the slope of the function is 6 and the y-intercept is 9.

24. g(x)=2(0.5x) +3 can be written as g(x)=x + 3. This shows that the slope of the function is 1 and the y-intercept is 3.

25. g(x)=1(2x+3) can be written as g(x)=2x + 3. This shows that the slope of the function is 2 and the y-intercept is 3.

26. g(x)=2(1)x + 3 can be written as g(x)=2x + 3. This shows that the slope of the function is 2 and the y-intercept is 3.

The value of k in the linear function g(x)=k(mx+b) affects the slope of the function by multiplying the slope of the original function m by k. The y-intercept of the function remains unchanged.

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The values of a and b that make the function both continuous and differentiable everywhere are a = -3 and b = 19.

A function is a mathematical concept that assigns a unique output value for each input value. It is a rule that takes in an input or set of inputs and maps it to a specific output. Functions are represented by symbols, usually denoted by a letter, such as "f".

In mathematical notation, a function is usually expressed as "f(x)" where "x" is the input and "f(x)" is the corresponding output. For example, a function could be defined as f(x) = x^2, which means that for any value of x, the function will calculate and return the square of that value.

Functions play a central role in mathematics and are used to model real-world phenomena and to study the relationships between variables. They are also used in computer programming to perform specific tasks, such as converting temperatures from Celsius to Fahrenheit or calculating the square root of a number.

To make the function continuous at x = -3, the value of f(-3) must be equal for both the first and second parts of the definition. That is, 3 * -3 + 4 = -3 * -3 + a * -3 + b. Solving for a and b gives us:

a = -3

b = 19

To make the function differentiable at x = -3, the limits of the first and second parts of the definition must be equal, and their derivatives must also be equal.

The limit from the left of f(-3) is:

[tex]\lim_{x \to \ -3}[/tex]f(x) = 3 * -3 + 4 = 5

The limit from the right of f(-3) is:

[tex]\lim_{x \to \ -3}[/tex] + f(x) = -3 × -3 + a × -3 + b = -3 × -3  + 19 = 19

So the function is continuous at x = -3. To check for differentiability, we find the derivative of the first part:

f'(x) = 3

And the derivative of the second part:

f'(x) = -6x + a

The derivative of the two parts must be equal at x = -3, so we have:

3 = -6 × -3 + a

3 = 18 - a

a = -15

This value of a is different from the value we found in the first step, so the function is not differentiable at x = -3. To make it differentiable, we must choose the value of a that makes the function continuous, which is a = -3.

So the values of a and b that make the function both continuous and differentiable everywhere are a = -3 and b = 19.

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Answer:

5/8

Step-by-step explanation:

[tex]\textrm{Slope } = $\dfrac{y_2 - y_1}{x_2 - x_1}$[/tex]

where[tex](x_1, y_1) \;\; (x_2, y_2)[/tex] are two points on the graph

The given points on the graph are  (8,6) and (16,11)

Difference in y values, y2 - y1 = 11 - 6 = 5

Difference in x values,: x2 - x1 = 16 - 8 = 8

Slope = 5/8

Answer:

-117

Step-by-step explanation:

2x1+48-5x48+96-23=-117

First multiplication

2×1=2

5×48=240 ->

2+48-240+96-23

2+48=50

50-240=-190

-190+96=-94

-94-23=-117

Hope that helped! Let me know if you have any further questions.

Tt is also possible neither y nor z is x.

Now, According to the question;

The x and y-axis are two important lines of the coordinate plane. The x-axis is a horizontal number line and the y-axis is a vertical number line. These two axes intersect perpendicularly to form the coordinate plane. The x-axis is also called the abscissa and the y-axis is called the ordinate.

If x is true, a non true statement cannot be the same as it.

Now, In symbolic logic, = doesn't mean two statements have the same value—it means they are the same literal statement.

So, if x is true, and y and z contradict, at least one of y and z is false, and that false statement cannot possibly be x.

Hence,  it is also possible neither y nor z is x.

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The probability that a timing belt lasts until the car runs 140,000 miles is 0.9332.

a) The probability that a timing belt lasts until the car runs 140,000 miles can be found using the Z-score formula. The Z-score is calculated as (140,000 - 125,000)/10,000 = 1.5. The probability can be found using the Z-score table or by using a calculator, and is equal to 0.9332.

b) The probability that the timing belt fails before the car reaches the manufacturer’s recommended mileage of 90,000 miles can be found using the Z-score formula. The Z-score is calculated as (90,000 - 125,000)/10,000 = -2.5. The probability can be found using the Z-score table or by using a calculator, and is equal to 0.0062.

c) The 1st percentile of a normal distribution is the Z-score corresponding to the cumulative probability of 0.01. The Z-score for the 1st percentile is -2.33. The mileage of the car when the timing belt should be replaced can be found using the Z-score formula. The mileage is equal to 125,000 - (2.33 * 10,000) = 110,700 miles.

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Women Emma Watson spoke intelligently, significantly, and powerfully about gender inequity and how to combat it.

She did this in order to begin the HeForShe campaign, which tries to recruit men and boys to the feminist movement's struggle for gender parity.

The purpose of this campaign is to encourage as many men and boys to support gender equality as they can. The terrible reality that "feminism" is all too frequently associated with "man hate," effectively stopping the progress toward attaining gender equality, was brought to light by Emma Watson in her powerful statement.

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Recruiting participants for research can be done through various methods such as:

1. Online advertisements

2. Flyer distributions in public places

3. Collaboration with organizations or schools

4. Referral from previous participants

5. Direct mailing to potential participants

6. Social media promotion.

It is important to consider ethical guidelines and informed consent procedures when recruiting participants for research.

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Answer:

3/14

Step-by-step explanation:

They traveled 5/7 of the distance on Saturday and 1/2 of the remaining

distance, 3/7, on Sunday so..

(1/2)(3/7) = 3/14

Hope this helps :)

Answer:Lupe's family traveled 5/7 of the total distance to her aunt's house on Saturday, so the remaining distance was 1 - (5/7) = 2/7.

On Sunday, they traveled 1/2 of the remaining distance, which was 2/7, so the total distance traveled on Sunday was 1/2 * 2/7 = 2/14 of the total distance.

Step-by-step explanation:

Lupe's family traveled 5/7 of the total distance to her aunt's house on Saturday, so the remaining distance was 1 - (5/7) = 2/7.

On Sunday, they traveled 1/2 of the remaining distance, which was 2/7, so the total distance traveled on Sunday was 1/2 * 2/7 = 2/14 of the total distance. :D

The mean, median, and mode are all equal to 100, and 68% of the scores are between 85 and 115. The third choice is also true, as 60% of test-takers earned at least a 100.

The normal curve is a symmetrical bell-shaped distribution with the mean, median, and mode all equal to 100. If we take 15 as the standard deviation, then 68% of the scores will lie between 85 (100-15) and 115 (100+15). We can calculate this using the z-score formula: z=(x-μ)/σ, where x is the score, μ is the mean, and σ is the standard deviation.

In this case, the z-score for the lower limit (85) is (85-100)/15=-1. The z-score for the upper limit (115) is (115-100)/15=1. We can then use the z-score table to determine that the area between -1 and 1 is 68%. Therefore, 68% of the scores are between 85 and 115.

To determine the percentage of test-takers who earned at least a 100, we can use the same z-score formula. The z-score for x=100 is (100-100)/15=0. We can then use the z-score table to determine that the area above 0 is 60%. Therefore, 60% of test-takers earned at least a 100.

Therefore, the first two choices are true. The mean, median, and mode are all equal to 100, and 68% of the scores are between 85 and 115. The third choice is also true, as 60% of test-takers earned at least a 100.

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Pattern in mathematic help individual better undertand the world and predict what come next because patterns follow a predictable rule and that rule allows us to predict what will come next.

What is Predictable Rule?

A prediction function is a mathematical function that predicts a future occurrence based on past events. Many other types of functions can be classified as prediction functions, such as those based on likelihood, sufficiency, and plausibility.

Reasons:

Patterns are more than just beautiful designs (though they frequently are), they follow a predictable law, and that rule allows us to forecast what will happen next. Mathematics, according to mathematicians, is the study of patterns—patterns and structure in numbers, as well as patterns and structure in geometry.

Mathematical tools can explain and improve the way the world works. Mathematical modeling has the potential to save lives, aid in policy and decision-making, and optimize economic growth. It can also be used to better understand the Universe and the conditions required for life to thrive.

Scientists, like everyone else, rarely, if ever, make accurate predictions. The future remains unpredictable regardless of the data and mathematical models available. As a result, scientists must account for mistake in our fundamental equation. In other words, Y = f(X) + E, where "E" represents our incapacity to forecast accurately.

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Patterns in mathematic help individual better understand the world and predict what comes next because patterns follow a predictable rule and that rule allows us to predict what will come next.

What is the Predictable Rule?

A prediction function is a mathematical function that predicts a future occurrence based on past events. Many other types of functions can be classified as prediction functions, such as those based on likelihood, sufficiency, and plausibility.

Reasons:

Patterns are more than just beautiful designs (though they frequently are), they follow a predictable law, and that rule allows us to forecast what will happen next. Mathematics, according to mathematicians, is the study of patterns—patterns and structure in numbers, as well as patterns and structure in geometry.

Mathematical tools can explain and improve the way the world works. Mathematical modeling has the potential to save lives, aid in policy and decision-making, and optimize economic growth. It can also be used to better understand the Universe and the conditions required for life to thrive.

Scientists, like everyone else, rarely, if ever, make accurate predictions. The future remains unpredictable regardless of the data and mathematical models available. As a result, scientists must account for mistake in our fundamental equation. In other words, Y = f(X) + E, where "E" represents our incapacity to forecast accurately.

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Answer: $82,403.28

Step-by-step explanation:

475+555+1250+983 = 3263 (total option price)

81,975 (total base price)

0.9 * 81,975 = 73,777.5 + 200

.88 * 3263 = 2,871.44

1.06 * (73,977.5 + 2871.44 + 890) = 82,403.28 (Rounded to nearest tenth)

As a result, the triangle's centroid at vertices A(2, 6), B(4, 9), and C(6, 15) is (4, 10).

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Answer: R

Step-by-step explanation: you are gonna go left 3 and up 4.

x=-3 and y=4

The time taken by both of them to work on the same page is 2 hours. The number of pages written by Emmy is 53 and the number of pages written by Warren is 53.

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

Given that Emmy has already completed 27 pages and will continue working at a rate of 13 pages per hour. Warren has completed 33 pages and can work at a rate of 10 pages per hour.

The time taken to reach the same page is,

13t + 27 = 33 + 10t

13t - 10t = 33 - 27

3t = 6

t = 2 hours

The number of pages written by Emmy is,

N = 13t + 27

N = ( 13 x 2) + 27 = 53

The number of pages written by Warren is,

N = 33 + 10t

N = 33 + 20

N = 53

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