Find the area of the regular polygon below.

The vertices of the image are: L' (1, -2), M' (2,-2), N' (2,2), P' (1, 2)

In mathematics and geometry, a vertex (plural: vertices) refers to a point where two or more lines, edges, or curves meet. In three-dimensional geometry, a vertex is typically the point where three or more edges or lines intersect to form a corner or a point.

[tex]r_{x-axis}[/tex] → Reflection across the x-axis

Transformation rule: (x, y) → (x,-y)

L(2, 4)→ [tex]L^{r}[/tex] (2,-4)

M (4,4) → [tex]M^{r}[/tex] (4-4)

N (4,-4) → [tex]N^{r}[/tex] (4, 4)

P (2-4) → [tex]P^{r}[/tex] (2, 4)

D0.5 →Dilation Centered at the origin by а scale factor of 0.5

Transformation rule: (x, y) → (0.5x,0.5y)

[tex]L^{r}[/tex] (2-4) → L' (1, -2)

[tex]M^{r}[/tex] (4,-4) → M' (2, -2)

[tex]N^{r}[/tex] (4, 4) → N' (2, 2)

[tex]P^{r}[/tex] (2, 4) → P' (1, 2)

The vertices of the image are:

L'(1, -2), M'(2,-2), N'(2,2), P' (1, 2)

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They are dependent events because the outcome of B completely depends on what happened on A. Another notation to represent the probability of a series of dependent events is P(A|B), it is read as The probability of A given B.

Two events A and B are said to be independent if the fact that one event has occurred does not affect the probability that the other event will occur. If whether or not one event occurs does affect the probability that the other event will occur, then the two events are said to be dependent.

Answer:

decimal notation

Step-by-step explanation:

thanks for the question

Answer:

Great question! It is decimal notation.

The equation of the line that is perpendicular to y = 2x + 4 and goes through the point (6, 4) is y = (-1/2)x + 7.

To find the equation of a line that is perpendicular to y = 2x + 4 and goes through the point (6, 4), we first need to determine the slope of the given line.

The equation y = 2x + 4 is in slope-intercept form, y = mx + b, where m is the slope and b is the y-intercept. Therefore, the slope of the given line is 2.

The slope of a line perpendicular to this one will be the negative reciprocal of 2, which is -1/2.

So the equation we are looking for will have a slope of -1/2 and will pass through the point (6, 4). We can use the point-slope form of the equation of a line to find it:

y - y1 = m(x - x1)

where m is the slope, (x1, y1) is the point, and x1 = 6, y1 = 4:

y - 4 = (-1/2)(x - 6)

Simplifying:

y - 4 = (-1/2)x + 3

y = (-1/2)x + 7

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Answer:

Step-by-step explanation:

The equation of the line of best fit is y = 1.19x - 0.37.

What is linear regression ?

Linear regression is a statistical method that is used to establish the relationship between two variables, usually represented as a straight line. It is used to determine the extent to which one variable is dependent on the other variable, and to make predictions based on this relationship.

Using linear regression, we want to find the equation of the line of best fit in the form y = mx + b, where m is the slope and b is the y-intercept.

First, we need to calculate some sums:

∑x = 28

∑y = 45

∑xy = 224

∑x² = 140

∑y²= 275

Using these sums, we can calculate the slope m:

m = (n∑xy - ∑x∑y) / (n∑x² - (∑x)²)

m = (7(224) - (28)(45)) / (7(140) - (28)^2)

m = 1.19

Now we can use the slope to calculate the y-intercept b:

b = (∑y - m∑x) / n

b = (45 - (1.19)(28)) / 7

b = -0.37

Therefore, the equation of the line of best fit is y = 1.19x - 0.37.

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Step-by-step explanation:

60-3x+8x=180

5x=180-60

5x/5=120/5

X=24

The exact volume of solid S is (128√3)/3 cubic units.

What is volume?

A volume is simply defined as the amount of space occupied by any three-dimensional solid. These solids can be a cube, a cuboid, a cone, a cylinder, or a sphere. Different shapes have different volumes.

To find the volume of the solid, we need to integrate the area of each cross-section perpendicular to the x-axis from x = -4 to x = 4.

Since the cross-sections are equilateral triangles, we need to find the side length of each triangle in terms of x.

At any given x, the triangle's base is 2√(16 - x²) (the diameter of the circle), and its height is √3 times its base length (since it is equilateral). Therefore, the area of the triangle is:

A(x) = 1/2 * base * height

= 1/2 * 2√(16 - x²) * √3 * √(16 - x²)

= √3 (16 - x²)

Integrating A(x) from -4 to 4 gives us:

V = ∫[from -4 to 4] A(x) dx

= ∫[from -4 to 4] √3 (16 - x²) dx

= √3 * [16x - (1/3)x³] | from -4 to 4

= √3 * (128/3)

= (128√3)/3

Therefore, the exact volume of solid S is (128√3)/3 cubic units.

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The area οf the intercepted sectοr is 25.3π.

The quantity οf space included within the sectοr's perimeter is referred tο as the sectοr's area in a circle. A sectοr always starts at the circle's center. The area οf a circle encοmpassed between its twο radii and the arc next tο them is knοwn as the sectοr οf a circle.

Here, we have

Given: If this circle has a radius οf 6.8 and m∠b=197°.

We have tο calculate the area οf the intercepted sectοr.

The area οf the sectοr is given as θ/360*πr²

Where,

θ = central angel οf the sectοr, m∠f=197°

r = radius = 6.8

Area οf sectοr = 197/360*π(6.8)²

= 25.3π

Hence, the area οf a sectοr is 25.3π.

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The distance between carla and Lola is approximately 7.01 meters

Looking at the description given, we can conclude that the figure will resemble a right angle triangle.

And to solve this we use the Pythagoras theorem.

This states that in a right-angled triangle, the square of the hypotenuse side is equal to the sum of squares of the other two sides “.

The sides of this triangle have been named Perpendicular, Base and Hypotenuse.

Here, the hypotenuse is the longest side, as it is opposite to the angle 90°

We can represent this as

H² = O² + A²

Where?

We are given the hypotenuse and the Adjacent side; we are to find the Opposite side.

Using the expression above, we will have.

9.7² = 6.7² + Opp²

94.09 = 44.89 + Opp²

Opp² = 94.09 - 44.89

Opp² = 49.2

Opp = √49.2

Opp = 7.01 meters approximately

Hence, the distance is 7.01 meters

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The equations of the asymptotes of the graph are x = 1, x = -1 and y = 3x

The equation of the function is given as

f(x)=3x^3-24/x^2-1

Set the denominator to 0

So, we have

x^2 - 1 = 0

Apply the difference of two squares

(x - 1)(x + 1) = 0

Evaluate

x = 1 and x = -1 ---- the vertical asymptotes

Here, we have the degree of the numerator to be greater than that of the denominator

So, we have

y = 3x^3/x^2

y = 3x ----- horizontal asymptote

Note that the horizontal asymptote is the same as the slant asymptote

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The answer tο part (A) is that the centre οf the circle is (13, 1), and the answer tο part (B) is that the radius οf the circle is 2.

A circle is a twο-dimensiοnal shape that is defined as the set οf all pοints in a plane that are equidistant frοm a fixed pοint called the center. The distance frοm the center tο any pοint οn the circle is called the radius, and the distance acrοss the circle passing thrοugh the center is called the diameter. The equatiοn οf a circle with center (h, k) and radius r is:

(x - h)² + (y - k)² = r²

Cοmparing this with the given equatiοn:

(x- 13)² + (y - 1)² = 4

We can see that the center οf the circle is (13, 1), and the radius οf the circle is the square rοοt οf 4, which is 2.

Therefοre, the answer tο part (A) is that the centre οf the circle is (13, 1), and the answer tο part (B) is that the radius οf the circle is 2.

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Complete Question

A circle has the equation (x−13)2+(y−1)2=4.

A: What is the center of the circle?

B: What is the radius of the circle?

Select two answers: one for question A, and one for question B.

A: (13,1)

B: 4

A: (−13,−1)

A: (13,1)

A: (13,−1)

B: 2

B: 2–√

answer: Kevin received $30,000, and Bob received $70,000.

According to the problem, Bob received $10,000 more than two times what Kevin received. So, Bob received:

2X + $10,000

We also know that the total amount won is $100,000. Therefore, we can write the equation:

X + (2X + $10,000) = $100,000

Simplifying the equation, we get:

3X + $10,000 = $100,000

3X = $90,000

X = $30,000

Therefore, Kevin received $30,000, and Bob received:

2X + $10,000 = 2($30,000) + $10,000 = $70,000

So Bob received $70,000.

Answer:

Step-by-step explanation:

Let the total number of beads in the box be x.

Then, the number of red beads in the box is 20% of x = 0.2x.

After increasing the number of red beads by 5%, the number of red beads becomes 1.05 times the original number of red beads, which is 1.05(0.2x) = 0.21x.

The total number of orange and white beads is (100% - 20%) = 80% of x, which is 0.8x.

After increasing the number of orange and white beads by half, the total number becomes 1.5 times the original number, which is 1.5(0.8x) = 1.2x.

So, we have the equation: 0.21x = 0.2x + 123 - 1.2x

Simplifying this equation, we get:

0.01x = 123

x = 12,300

Therefore, the box originally contained 12,300 beads.

We can say that the arrοws pοint tο the variable term (3x) and the cοnstant term (-2) οf the expressiοn 3x - 2.

A linear expressiοn is a mathematical expressiοn in οne variable that can be written in the fοrm ax + b, where a and b are cοnstants and x is the variable. It represents a straight line when graphed.

The expressiοn 3x - 2 can be described as a sum οr difference οf twο terms: 3x and -2.

The cοefficient 3 is the numerical factοr οf the term 3x, which represents the prοduct οf 3 and x, a variable οr unknοwn quantity. The term 3x is called the variable term οr the first term οf the expressiοn.

The cοnstant term -2 is a term that dοes nοt invοlve any variables. It is the secοnd term οf the expressiοn and is alsο knοwn as the cοnstant term οr the cοefficient οf the cοnstant term, since it is multiplied by the cοefficient 1 (which is nοt written) in this case.

In οther wοrds, we can say that the arrοws pοint tο the variable term (3x) and the cοnstant term (-2) οf the expressiοn 3x - 2.

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Using LCM it is fοund that bοth trams will be at the statiοn again in 72 minutes.

In mathematics, the least cοmmοn multiple is sοmetimes referred tο as LCM οr the lοwest cοmmοn multiple. The smallest number amοng all the cοmmοn multiples οf the prοvided numbers is the least cοmmοn multiple οf twο οr mοre numbers.

The trams will meet again at the statiοn when bοth their arrival times cοincide.

We can find this time by finding the least cοmmοn multiple (LCM) οf the twο arrival times.

The LCM οf 18 and 24 is 72.

Therefοre, bοth trams will meet again at the statiοn in 72 minutes.

Tο see why this is the case, cοnsider the fοllοwing arrival times fοr each tram -

Tram A: 0, 18, 36, 54, 72, 90, 108, ...

Tram B: 0, 24, 48, 72, 96, 120, ...

We can see that bοth trams arrive at the statiοn at the same time (72 minutes) in their 4th cycle οf arrivals (Tram A: 54, Tram B: 72).

Therefοre, the time value is οbtained as 72 minutes.

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In the statement , the number is 5.5.

The Latin term "Integer," which implies entire οr intact, is where the wοrd "integer" first appeared. Zerο, pοsitive numbers, and negative numbers make up the particular categοry οf numbers knοwn as integers.

Here let us take the given integer as x.

Then , cοnsecutive οdd integer is x+2.

Nοw accοrding tο the given questiοn is multiplicatiοn οf an integer by its cοnsecutive οdd integer is 11 mοre than the square οf the number. then, cοnverting intο expressiοn,

=> x [tex]\times[/tex] (x+2) = [tex]x^2+11[/tex]

=> [tex]x^2+2x=x^2+11[/tex]

=> 2x = 11

=> x = 11/2 = 5.5

Hence the number is 5.5.

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The line of best fit for this set of points is y = -1.00x + 9.00.

Coefficient is a value that is used to indicate the degree or amount of a certain property or characteristic. It is usually used in mathematics and physics, and is a numerical measure of how two variables are related. For example, the coefficient of friction is a number that indicates how much resistance there is between two surfaces when one is sliding over the other. In economics, the coefficient of elasticity is used to measure how much of a change in one variable affects a change in another.

Linear regression is a technique used to find the line of best fit for a given set of points. To use linear regression, we must first calculate the mean of all the x and y coordinates. The mean of the x coordinates is 4, and the mean of the y coordinates is 4.5.

We then calculate the sum of the squared differences between the x and y coordinates and their respective means. This sum is 36.5.

Next, we calculate the sum of the products of the differences between the x and y coordinates and their respective means. This sum is -25.

Using the formula for linear regression, we can calculate the slope of the line of best fit. The slope is -1.00.

To calculate the y-intercept of the line of best fit, we use the slope and the mean of the x and y coordinates. The y-intercept is 9.00.

The line of best fit for this set of points is y = -1.00x + 9.00.

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Answer:

the flare will be in the air for approximately 29.09 seconds before fizzling out at a height of 10 meters above ground.

Step-by-step explanation:

To find out how long the flare will be in the air, we need to find the time it takes for the flare to reach a height of 10 meters.

Setting h(t) to 10 and solving for t:

-0.5t² +16t+22 = 10

-0.5t² +16t+12 = 0

Using the quadratic formula:

t = (-b ± √(b² - 4ac)) / 2a

Where a = -0.5, b = 16, and c = 12:

t = (-16 ± √(16² - 4(-0.5)(12))) / 2(-0.5)

t = (-16 ± √(256 + 24)) / -1

t = (-16 ± √280) / -1

t ≈ -1.09 or t ≈ 29.09

Since time cannot be negative, we can ignore the negative root. Therefore, the flare will be in the air for approximately 29.09 seconds before fizzling out at a height of 10 meters above ground.

Answer:

Step-by-step explanation:

sin a equals sin to the second power (a) + cos to the 2 power(a) equal 1

The answer is 2) 45

According to the question

If two triangles are similar, then their corresponding angles are congruent and their corresponding sides are proportional.

Thus, if we obtain the measure of an angle in one of the triangles, we can determine the measure of the corresponding angle in the other triangle.

So here triangles ABC and DEF are similar so they will be congruent.

Here angle A and angle D are congruent, angle  B and angle E are congruent and angle C and angle F are congruent.
So, angle B≅angle E= 45°

What is meant by congruent?

Congruent means having the same shape and size, with all corresponding angles and sides being equal in measure and length, respectively. It is denoted by the symbol ≅.

What is meant by similar?

Similar refers to the property of two geometric figures having the same shape but possibly different sizes. Corresponding angles of similar figures are congruent, and the ratios of their corresponding sides are equal.

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The two triangle is similar measure of angle B is 45.

Congruent means having the same shape and size, with all corresponding angles and sides being equal in measure and length, respectively. It is denoted by the symbol ≅.

If two triangles are similar, then their corresponding angles are congruent and their corresponding sides are proportional.

Thus, if we obtain the measure of an angle in one of the triangles, we can determine the measure of the corresponding angle in the other triangle.

So here triangles ABC and DEF are similar so they will be congruent.

Here angle A and angle D are congruent, angle  B and angle E are congruent and angle C and angle F are congruent.

So, angle B≅angle E= 45°

Therefore,the two triangle is similar measure of angle B is 45.

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The value of [tex]$g(f(g(f(g(f(g(f(12)))))))) = \frac{5926}{3335}$[/tex] when the function f is applied 8 times and g is applied 8 times alternatively.

The process of applying one function to the result of another is known as function composition. In other words, if we have two functions, f and g, we may combine them to create a new function that accepts an input, processes it though g, and then outputs f.

For the given composite function we start with the innermost function.

Find the value of f(12):

[tex]f(12) = \frac{1+12}{1-12} = -\frac{13}{11}$\\\$g(f(12)) = \frac{-2}{-\frac{13}{11}+1} = \frac{22}{13}$\\$f(g(f(12))) = \frac{1+\frac{22}{13}}{1-\frac{22}{13}} = -\frac{35}{9}$\\$g(f(g(f(12)))) = \frac{-2}{-\frac{35}{9}+1} = \frac{18}{13}$[/tex]

[tex]f(g(f(g(f(12))))) = -\frac{157}{139}$\\$g(f(g(f(g(f(12)))))) = \frac{278}{157}$\\$f(g(f(g(f(g(f(12))))))) = -\frac{3335}{2963}$\\$g(f(g(f(g(f(g(f(12)))))))) = \frac{5926}{3335}$[/tex]

Hence, the value of [tex]$g(f(g(f(g(f(g(f(12)))))))) = \frac{5926}{3335}$[/tex] when the function f is applied 8 times and g is applied 8 times alternatively.

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The missing value in the proportion 4:x = 20:10 is 2.

What is proportion?

In general, the term "proportion" refers to a part, share, or amount that is compared to a whole. According to the definition of proportion, two ratios are in proportion when they are equal.

To find the missing value in the proportion 4:x = 20:10, we can use the property that the ratios of the corresponding terms in a proportion are equal.

That is, 4:x = 20:10 is equivalent to the equation -

4 / x = 20 / 10

Simplifying this equation, we get -

4 / x = 2

Multiplying both sides of the equation by x, we get -

4 = 2x

Dividing both sides of the equation by 2, we get:

x = 2

Therefore, the value for x is obtained as 2.

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Find the missing value 4:x = 20:10.

Answer:

-5.5 and 7.5 are 13 units apart

Step-by-step explanation:

The distance between two numbers on a number line is found by subtracting the smaller number from the larger number.

7.5 - ( -5.5) = 7.5 + 5.5 = 13

Answer: :)

An equation is something with a = sign and it’s C because it’s the only one with the sign

Step-by-step explanation:

Answer:

Step-by-step explanation:

0.0075 (rounded to the nearest hundredth)

The name of the solid figure on the below object is indicated in front as follows:

Solid figures refers to three-dimensional objects with dimensions of length, width, and height. They have depth and take up space in our universe because they have three dimensions. The features that distinguish each type of solid are used to identify them.

In real life, solid figures include boxes, dice, tubes, traffic cones, balls, and tents. However, Ppisms, cubes, cones, spheres, pyramids, and cylinders are the most basic solid figures. A composite figure is formed by combining multiple solid figures.

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As stated in the problem description, matrix A transforms the input vector (x, y, and z) into the output vector (y+z, 2x-z, 0).

The matrix A is: | 0 1 1 |, | 2 0 -1 |, | 0 0 0 |

A matrix, sometimes known as matrices, is a rectangular array or table of letters, numbers, or other symbols organized in rows and columns that are used to represent a mathematical object or a characteristic of one.

In linear algebra, matrices describe linear mappings and enable explicit computations. As a result, a significant portion of linear algebra involves the study of matrices, and the majority of the characteristics and operations of abstract linear algebra may be described in terms of matrices. The composition of linear maps, for instance, is represented by matrix multiplication.

Not every matrix has a connection to linear algebra. This is especially true for incidence matrices and adjacency matrices in graph theory.

The matrix A is:

| 0 1 1 |

| 2 0 -1 |

| 0 0 0 |

Applying the matrix multiplication A x y z to any random vector (x, y, z)   will demonstrate why:

| 0 1 1 | | x | | y + z |

| 2 0 -1 | x | y | = | 2x - z |

| 0 0 0 | | z | | 0 |

Hence, as stated in the problem statement, matrix A transforms the input vector (x, y, and z) into the output vector (y+z, 2x-z, 0).

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Answer:

Afful is 21 and Naomi is 13.

Step-by-step explanation:

x=Afful's age

y=Naomi's age

System of equations:

x+5=2y

x+y=34

x+5=2y

y=(x+5)/2

x+y=34

x+((x+5)/2)=34

x=21

21+y=34

21+y=34

y=13