Which value is included in the solution set for the inequality graphed on the number line?
0
1
2
3
4
3

The symbol of a linear inequality is: " ≤ " or " ≥ "

The graph of a two-variable inequality is the set of points that describe all solutions to the inequality. The coordinate plane is split in half by a boundary line created by a linear inequality, with one-half representing the solutions to the inequality.

It's a line with a shaded side on one side to show which xy pairings are the inequality's solutions.

For example -

Let us take a equation, 4x + 8y ≤ -24

Now, solve the above equation in the form of slope-intercept.

4x + 8y ≤ -24

or, 8y ≤ - 4x - 24

or, y ≤ -(1/2)x - 3

Now, the graph becomes according to the slope-intercept form is:

Here we noticed that,

This side of the inequality is shaded below (instead of above) because y is lower than (or equal to) the other side.

Because working with a "or equal to" inequality, draw a solid line rather than a dashed one. Points on the solid line denote locations where the inequality has been solved.

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Answer:

Step-by-step explanation:

You can use Pythagoras theorem for this

[tex]16^{2}[/tex] = [tex]6^{2}[/tex] + [tex]x^{2}[/tex]

256 = 36 + [tex]x^{2}[/tex]

220 = [tex]x^{2}[/tex]

[tex]\sqrt{220}[/tex] = x

14.8323.... = x

we also have to remember that it could be negative, but,  negative distances are just the same distance but in the other direction, so they are the same length here.

14.8 feet = x    to the nearest 10th

According to Pythagoras theorem, the value of the third side of the triangle is 38.6mm

In math Pythagoras theorem states that the square of the length of the hypotenuse is equal to the sum of squares of the lengths of other two sides of the right-angled triangle.

Here we have given that the triangular pendant has two sides of length 23 mm and 31 mm.

And we need to find the possible lengths (in whole mm) for the third side.

Here in the given question, we have the values of the two sides are 23mm and 31mm.

Then we have to apply the values on the Pythagoras theorem formula,

=> hypotenuse² = adjacent² + opposite²

Now, we have to apply the values as opposite and adjacent on it, then we get,

=> hypotenuse²= 23² + 31²

=> hypotenuse² = 529 + 961

=> hypotenuse² = 1490

Therefore, the value of the third side is 38.6mm

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The two ways that sequences can be defined include the following: Arithmetic Sequences and Geometric Sequences.

A sequence is defined as the collection of items in such a way that repetitions can be observed.

There are two major ways the sequence can be defined in arithmetics and this includes the following:

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Answer:

x = 4.5

Step-by-step explanation:

To solve this equation, we need to isolate the variable x on one side of the equation. To do this, we need to get rid of the 5 that is multiplying the expression 2x + 1.

One way to do this is to divide both sides of the equation by 5. This gives us:

(5(2x + 1))/5 = 50/5

Simplifying the left side of the equation gives us:

2x + 1 = 10

Now, we just need to get x by itself on one side of the equation. To do this, we can subtract 1 from both sides of the equation. This gives us:

2x = 9

Finally, we can divide both sides of the equation by 2 to solve for x. This gives us:

x = 9/2

Therefore, the solution to the equation is x = 9/2, or x = 4.5.

I hope this helps! Let me know if you have any other questions.

Answer:

x = 9/2 or 4.5

Step-by-step explanation:

5(2x + 1) = 50

10x + 5 = 50

10x = 50 -5

x = 45 /10

x = 9/2 or 4.5

I hope my answer helps you.

An observational study is used to answer a research question based purely on what the researcher observes.

An observational study is a statistical study that does not have any treatment or intervention done by the researchers.

Observational research allows the researcher to see what their subjects really do when confronted with various choices or situations. The term refers to the study of non-experimental situations in which behaviour is observed and recorded.

Statistics is the process of collecting data about a group of objects to draw conclusions about populations of those objects. For example, a statistician may take a sample group of workers from company XYZ and have them rate their job satisfaction with the company. Based on the results of that sample, the statistician can make educated assumptions about all the employees of company XYZ and their job satisfaction.

However, observational studies can only establish that significant associations exist between predictor and outcome variables. Observational studies cannot establish that the associations identified represent cause-and-effect relationships.

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As asked by the question, the value of K for a given equation of a line is equal to the slope of the line.

A line has length but no breadth, making it a one-dimensional figure. A line is made up of a collection of points that may be stretched indefinitely in opposing directions. Two points in a two-dimensional plane determine it.

A line's steepness may be determined by looking at its slope. Slope is computed mathematically as "rise over run" (change in y divided by change in x).

The value of K for a given line is equal to the slope of the line. Since lines are generally expressed in the form of y = mx +b , where m is the slope of the line and b is the y-intercept of the line. Here , the value of K will be equal to the slope m of the line.

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The triangle ADE is similar to the triangle ABC.

What are congruent triangles?

The triangles are congruent if two sides and the included angle of one triangle match the corresponding sides and angle of another triangle.

It is given that triangle ABE is congruent to triangle ACD, which can also be written as ΔABE≅ΔACD.

So, according to the Corresponding parts of Congruent triangles (CPCT) property:

AB=AC...........(1)

AE=AD...........(2)

By dividing 2 and 1 we will get:

[tex]\frac{AD}{AB} =\frac{AE}{AC}[/tex]........(3)

In the triangles ADE and ABC, ∠A is the common angle and according to this and 3,

ΔADE is similar to ΔABC by side angle side criterion.

Therefore hence it is proved that ΔADE and ΔABC are similar.

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The commission for $750 at 3% is:

Commission can be defined as the fees or extra fees that is been paid to someone for a job well done or for rendering a service.

Now let find the commission amount using this formula

Commission = Earnings × rate

Where:

Earnings = $750

Rate =3%

Commission = $750 × 3%

Commission = $22.50

Therefore the commission is $22.50.

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The complete question is:

Find the commission.

Earning Commission

Sales Commission Rate Commission

$750

3%

?

The commission is $

Jing's initial pay rate is $12.50 per hour. She will receive a pay raise of $0.50 per hour every year.

Max's initial pay rate is 10 dollars per hour. He will receive a pay raise of 1 dollar per hour every year.

To determine how many years it will take for Max to earn more per hour than Jing, we need to find the point at which the two linear equations intersect. This can be done by setting the two equations equal to each other and solving for x.

Jing's equation is: $12.50 + 0.50x

Max's equation is: x + 10

Setting the equations equal to each other and solving for x, we get:

$12.50 + 0.50x = x + 10

This simplifies to:

$0.50x = -2.50

Dividing both sides by 0.50, we get:

x = -5

Since the value of x cannot be negative, this means that Max will never earn more per hour than Jing.

Answer:

Step-by-step explanation:

The perimeter is P = 26x - 62.

P = 2(L + B)

P = 2(5x + 12 + 8x - 43)

P = 2(13x - 31)

P = 26x - 62

Because the equation depicts a straight line in the Cartesian plane, it is called a linear equation.

A straight-line link between two variables is referred to statistically as a linear relationship (or linear association). Linear relationships can be represented graphically or mathematically as the equation y = mx + b.

In the variable separation if the unknown function and its derivatives have no exponent larger than one and there are no cross-expressions—that is, terms like f f′ or f′f′′ in which the function or its derivatives appear more than once—the partial differential equation is said to be linear.

Because the equation depicts a straight line in the Cartesian plane, it is called a linear equation. Through the use of logical and mathematical tools, it enables us to solve issues in a variety of scientific fields and academic disciplines as well as in real-world circumstances.

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Answer:

A could finish the whole work in 60 days

Step-by-step explanation:

Both A and B can finish the work in 30 days.

That means both A and B can finish 1/30 part of the work in 1 day.

So in 20 days, both A and B can finish 20/30 = 2/3 part of the work.

Both A and B worked together for 20 days and completed 2/3 part of the work. Now 1/3 part of the work is remaining.

But after 20 days B left the work. Now A finished the remaining 1/3 part of the work alone.

Given A has completed the remaining 1/3 part of the work in 20 days. We are asked to find in how many days A could finish the whole work.

Let A could finish the whole work in x days.

That means A could finish 1/x part of the work in 1 day.

So in 20 days, A could finish 20(1/x) = 20/x part of the work.

But it's given that A finished the remaining 1/3 part of the work in 20 days.

Thus we are able to equate 20/x and 1/3.

[tex]\longrightarrow\dfrac{20}{x}=\dfrac{1}{3}[/tex]

[tex]\Longrightarrow\underline{\underline{x=60}}[/tex]

Hence A could finish the whole work in 60 days.

Critical values of the function f(θ) = 2cos(θ) +(sin(θ))² on the interval 0≤ θ < 2π is 0 and π.

Therefore, the answer is 0 and π.

f(θ) = 2cos(θ) +(sin(θ))²

f'(θ) = -2sin(θ) +2sin(θ)cos(θ)

Critical values of f are points at which f' is zero or not defined.

For all values of θ, we can find that f'(θ) is defined.

f'(θ) = 0

-2sin(θ) +2sin(θ)cos(θ) = 0

cos(θ) - 1 = 0 or sin(θ) = 0

cos(θ) = 1

θ = nπ, n = 0, 1, 2, ...

sin(θ) = 0

θ = nπ, n = 0, 1, 2, ...

Therefore in the interval 0 ≤ θ < 2π, critical values are 0 and π.

2π is not there as it is not included in the interval.

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Answer:

orthocentre

Step-by-step explanation:

A triangle's three altitudes intersect at the orthocentre

The probability of the card being a queen, given that it is a face card is; 33%

The probability of an event is simply the number of favorable outcomes divided by the total number of outcomes possible.

In a  standard deck of cards, we know that there are 52 cards in total and that out of those 52 cards, there are 12 face cards.

Now, One-third of those face cards are always queens, due to the fact that there are 4 queens in a deck of cards.

This means that the probability using the formula of;

Probability = number of favorable outcomes/number of expected outcomes

Probability = 4/12 = 1/3 = 0.33 = 33%

Therefore, we conclude that there is a 33% chance that the card Luke holds is a queen.

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Answer:

D, [tex]y=\frac{-5}{2x}+3[/tex]

If the function for the total rental cost for vacuum cleaner is f(x) = 6x + 14 , then the cost for using it for 10 hours is  $74   .

A hardware store rents vacuum cleaner for a part of a day ,

the function that models the total rental cost for the vacuum cleaner is given as : f(x) = 6x + 14 ;

where , x is the number of hours the cleaner is used .

given that the vacuum cleaner is used for 10 hours , So x = 10 .

the total cost is f(10) = 6×10 + 14  ;

f(10) = 60 + 14 ;

f(10) = 74 ;

Therefore , the total rental cost for using the vacuum cleaner for 10 hours is $74  .

The given question is incomplete , the complete question is

A hardware store rents vacuum cleaners that customers may use for part of a day before returning. The function f(x) = 6x + 14 models the total rental cost of a vacuum cleaner. What is the total cost for using the vacuum cleaner for 10 hours  .

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The graph of the function f(x) = x^4 - 6*x^7 + 5 crosses the x-axis at x = 0 and x = 5.

The graph of the function f(x) = x^4 - 6*x^7 + 5 is a polynomial function. The roots of a polynomial are the values of x for which the polynomial is equal to zero. To find the roots of the polynomial, we must solve the equation f(x) = 0. To solve this equation, we will use polynomial division.

We will divide the polynomial by (x - 5), which will give us the following result:

f(x) = x^4 - 6*x^7 + 5 = (x - 5)(x^3 + 7x^2 - 5x + 25).

We can now solve for the roots of the polynomial. Since (x - 5) is a factor of the polynomial, the root is x = 5. We can also solve for the other roots by setting the remainder of the polynomial division equal to 0. This gives us the equation x^3 + 7x^2 - 5x + 25 = 0. This equation can be solved by factoring and the result is x = 0, 1, and 5. Therefore, the graph of f(x) = x^4 - 6*x^7 + 5 crosses the x-axis at x = 0 and x = 5.

f(x) = x^4 - 6*x^7 + 5

Divide f(x) by (x-5):

f(x) = (x-5)*(x^3 + 7x^2 - 5x + 25)

Set remainder equal to 0:

x^3 + 7x^2 - 5x + 25 = 0

Factor:

x^3 + 7x^2 - 5x + 25 = (x - 5)*(x^2 + 5x + 5)

x = 0, 1, 5

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The function rule that represents each situation is $8.75 * n.

What is a function?

A function in mathematics from a set X to a set Y allocates exactly one element of Y to each element of X. The sets X and Y are collectively referred to as the function's domain and codomain, respectively.

Here, we have

A worker's earnings E are a function of the number of hours N worked at a rate of $8.75 per hour.

We have to create an incognita that represents a worker's salary based on how many hours he or she works.

G: Worker's salary

n: number of hours worked

G=f(n)

Then using the data that the worker earns $8.75 per hour worked, we must formulate f(n) so that with this data we can calculate G.

G = f(n) = $8.75 * n

If the worker performs 1 hour of work (n=1), then his salary will be:

G = $8.75 * 1 = $8.75

If the worker performs 10 hours of work (n=10), then his salary will be:

G=$8.75 * 10 = $87.5

Hence, the function rule that represents each situation is $8.75 * n.

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Answer:

y=0

Step-by-step explanation:

The slope of an angle 30 which in the positive x direction is tanФ = tan30= 1/√3

Slope:

Slope describes the steepness of a line and it also remains constant with the line it also gives us information about the direction. If the slop is negative then the line will be in the negative x-axis if the slop is positive the line will be in the positive x-direction.

A slope of a line is the change in the y coordinate w.r.t the change in the x coordinate.

m = Δy/Δx

m=tan θ = Δy/Δx

m=tan 30 = 1/[tex]\sqrt{3}[/tex]

Therefore the slope of a line that makes an angle of 30 with the positive x direction will be 1/√3

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Answer: I think it is between 3rd and 4 lines of number 2 and 3

Step-by-step explanation:

Because it line here is 0.20

so 2.7 will be some where between 3rd and 4 lines of number 2 and 3

If the limit is infinity minus infinity it is undefined because the result would be a number that is not a real number.

In mathematics, a limit is the value that a function approaches as the independent variable approaches a certain value. Limits are used to study the behavior of a function as the independent variable approaches a certain point.When the limit is infinity minus infinity (∞ - ∞), it is undefined because the result is not a real number. Infinity minus infinity is an indeterminate form, which means that the limit could approach any real number or it could approach infinity or negative infinity. In other words, the result of infinity minus infinity is an unknown quantity.To understand why infinity minus infinity is undefined, you must understand the concept of infinity. Infinity is not a number, but rather an idea of something that is larger than any number. Therefore, when subtracting infinity from infinity, there is no set answer since the two concepts are not numbers. To calculate the limit, the two infinities must be replaced with real numbers. In conclusion, when the limit is infinity minus infinity, it is undefined because the result is not a real number. Infinity is an idea and not a number, so the result of infinity minus infinity can not be determined. To calculate the limit, the two infinities must be replaced with real numbers.

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Answer:

31800.997945142

or

31800 24407400⁄24457657

S

Answer:(-1,2)

Step-by-step explanation:

-(6x+y=-4)

6x+5y=4

------------------

-6x-y=4

6x+5y=4

--------------

4y=8

y=2

6x+2=-4

6x=-6

x=-1

Answer:

The linear equation is y = 450 - 30 x, where y is the number of pages

Lourdes has left to read after x days

Step-by-step explanation:

Each day, Lourdes reads 30 pages of a 450-page book

- We need to write a linear equation to represent the number of pages

 Lourdes has left to read after x days

∵ Lourdes reads 30 pages each day

∵ Lourdes will read for x days

∴ The number of pages Lourdes will read in x day = 30 x

- The left pages will be the difference between the total pages of the

 book and the pages Lourdes read

∵ The book has 450 pages

∵ Loured will read 30 x in x days

∴ The number of pages left = 450 - 30 x

- Assume that y represents the number of pages Lourdes has left

 to read after x days

∴ y = 450 - 30 x

The linear equation is y = 450 - 30 x, where y is the number of

pages Lourdes has left to read after x days

The geometric mean of 4 and 25 is 10.

When a positive value is repeated in either the means or extremes position of a proportion, that value is referred to as a geometric mean (or mean proportional) between the other two values.

The Geometric Mean (GM) is the average value or mean that, by taking the product of a set of numbers' values as its root, indicates the collection's central tendency.

Let x = the geometric mean.

4/x = x/25 (by the definition of geometric mean)

x²=100

x=√100 (cross-product property)

x=10

Hence, The geometric mean of 4 and 25 is 10.

Complete question: What is the geometric mean of 4 and 25?

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The domain and range calculator is a tool that allows us to enter the necessary data and have it compute and output the domain and range.

The range of values that we are permitted to enter into our function is known as the domain of a function.

The x values for a function like f make up this set (x).

A function's range is the collection of values it can take as input.

After we enter an x value, the function outputs this sequence of values.

We simply solve the equation y = f to determine the values of the independent variable x and obtain the domain (x).

Simply put, after determining g's domain, x=g(y) will calculate the function's range (y).

The domain and range calculator is a tool in which we put in the required values and it calculates and gives out the domain and range as an output.

Therefore, the domain and range calculator is a tool that allows us to enter the necessary data and have it compute and output the domain and range.

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The top 25% of cars have a typical gas mileage of at least 33.5 miles per gallon.

To calculate this, you need to use the interquartile range (IQR) formula.

The IQR is calculated by subtracting the 25th percentile (Q1) from the 75th percentile (Q3).

IQR = Q3 - Q1

In this case, the 25th percentile (Q1) is 28.4, and the 75th percentile (Q3) is 37.9. So:

IQR = 37.9 - 28.4 = 9.5

The top 25% of cars have a gas mileage of 33.5 miles per gallon, which is Q3 + 1.5*IQR.

33.5 = Q3 + 1.5*IQR

33.5 = 37.9 + 1.5*9.5

33.5 = 37.9 + 14.25

33.5 = 52.15

Therefore, the top 25 percent of cars have a typical gas mileage of at least 33.5 miles per gallon.

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