A small nation of ten people idolizes the TV show “The Voice”. All they produce and consume are karaoke machines and CDs, in the following amounts:





Karaoke Machines

CDs



Quantity Produced

(in thousands)

Price of each Karaoke Machine

Quantity Produced

(in thousands)

Price of each CD



2017

10

$40

30

$10

2018

12

$60

50

$12

The population of the economy is 10000 in 2017 and it increased to 15000 in 2018.Using the CPI, compute the percentage change in the overall price level. Use 2017 as the base year and fix the basket at 1 karaoke machine and 3 CDs.

Perimeter of circle is 25.7cm

A semicircle is a two-dimensional geometric shape that is exactly half of a circle. It is formed by taking a diameter of a circle and cutting it in half, so that one half of the circle's circumference is traced out by the resulting arc. The boundary of a semicircle is composed of a curved line called the semicircular arc, which is connected to the two endpoints of the diameter, forming a closed shape.

The area of a semicircle is equal to half of the area of the corresponding circle, while its perimeter is equal to the sum of the diameter and half the circumference of the corresponding circle.

Given

Diameter of semicircle=10cm.

Perimeter of circle=πr+2r

=π×5+2×5

=25.7cm

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The equation of the axis of symmetry of the quadratic function is given by y = -2x² + 8x - 5.

x = 4 is the x-coordinate of the vertex.

x = 0 and x = 4 are the x-coordinates of the x-intercepts.

y = -5 is the y-coordinate of the y-intercept.

A quadratic function has two variables that can be used to model real-world problems. It has a distinct shape of a parabola, which is a symmetrical U-shaped curve.

The coordinates of the vertex of the function can be calculated by taking the derivative of the given equation and setting it equal to 0.

This yields x = 4 as the x-coordinate of the vertex.

Substituting this value in the given equation gives us the y-coordinate of the vertex, which is y = 11.

The coordinates of the x-intercepts of the function can be found by setting y = 0 in the given equation.

This yields x = 0 and x = 4 as the x-coordinates of the x-intercepts. Substituting these values in the given equation gives us the corresponding y-intercepts, which are

y = -5 and y = 0 respectively.

The coordinates of the y-intercept of the function can be found by setting x = 0 in the given equation.

This yields y = -5 as the y-coordinate of the y-intercept.

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Therefore, Aditi's mother requires 342 yellow tiles and 57 red tiles for the floral design on the kitchen wall.

Proportion is a statement that two ratios are equal. A ratio is a comparison of two quantities and is written in the form of a fraction. A proportion can be written in the form of a:b = c:d, where a, b, c, and d are numbers. This means that the ratio of a to b is equal to the ratio of c to d. We can also write a proportion as a fraction, where the numerator is the product of the means (ad) and the denominator is the product of the extremes (bc). Proportions are commonly used in mathematics to solve problems involving ratios and rates.

Here,

Since the floral design is made up of yellow and red hexagonal tiles, we need to determine the proportion of yellow tiles and red tiles in the design. Let's assume that the design consists of x yellow tiles and y red tiles. Each flower in the design consists of 7 hexagonal tiles - 6 yellow tiles and 1 red tile. Therefore, the total number of tiles in the floral design is:

Total number of tiles = 57 flowers x 7 tiles per flower

Total number of tiles = 399 tiles

Since each flower consists of 6 yellow tiles and 1 red tile, the total number of yellow tiles in the design is:

Number of yellow tiles = 6 x Number of flowers

Number of yellow tiles = 6 x 57

Number of yellow tiles = 342

Similarly, the total number of red tiles in the design is:

Number of red tiles = 1 x Number of flowers

Number of red tiles = 1 x 57

Number of red tiles = 57

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Complete question:

Aditi's mother is renovating her kitchen. One of the walls of kitchen is entirely made up of tiles. She wants to have a row of floral designs made up of yellow and red hexagonal tiles in the middle of the wall as shown in the adjoining figure. If there are 57 flowers in a row, find out how many yellow-and red-coloured tiles she requires for that wall.

The formal statement of the Limit Comparison Test are discuss below with ∑bₙ converges, then ∑aₙ converges as well.

The Limit Comparison Test is a method used to determine the convergence or divergence of a series.

Suppose we have two series, aₙ and bₙ. If we can find a third series, cₙ, such that the limit of the ratio aₙ/cₙ and bₙ/cₙ both exist and are finite, and the limit of aₙ/cₙ divided by bₙ/cₙ is also finite and non-zero, then the two series aₙ and bₙ will converge or diverge together.

In other words, we can say that if the series aₙ diverges, then bₙ also diverges, and if the series bₙ converges, then aₙ also converges.

Here's the formal statement of the Limit Comparison Test:

Let aₙ and bₙ  be two positive series. If there exists a positive series cₙ such that  [tex]\lim_{n \to \infty} \frac{a_n}{c_n}[/tex]  and  [tex]\lim_{n \to \infty} \frac{b_n}{c_n}[/tex] both exist and are finite and positive, then:

(i) If ∑bₙ converges, then ∑aₙ converges as well.

(ii) If ∑aₙ diverges, then ∑bₙ diverges as well.

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To calculate the minimum amount of wrapping paper needed to wrap the gift, Naomi would be finding the Surface Area.

The Surface Area of a three-dimensional object is the sum of the areas of all its faces. In this case, the gift is a rectangular prism with dimensions of length 10 inches, height 2 inches, and depth 3 inches.

To wrap the gift, Naomi would need to cover all six faces of the rectangular prism with wrapping paper. The formula for the Surface Area of a rectangular prism is:

Surface Area = 2lw + 2lh + 2wh

where l, h, and w are the length, height, and width of the rectangular prism, respectively.

Substituting the values for the length, height, and depth of the gift, we get:

Surface Area = 2(10 x 2) + 2(10 x 3) + 2(2 x 3)

Surface Area = 20 + 60 + 12

Surface Area = 92 square inches

Therefore, Naomi would need at least 92 square inches of wrapping paper to cover the gift, which is the Surface Area of the rectangular prism.

The area of this home plate is equal to 216.5 in².

In order to determine the area of home plate, we would have to apply the law of cosine:

C² = A² + B² - 2(A)(B)cosθ

Where:

A, B, and C represent the length of side or side length of a given triangle.

By substituting the given side lengths and angle into the law of cosine formula, we have the following;

C² = A² + B² - 2(A)(B)cosθ

17² = 12² + 12² - 2(12)(12)cosθ

284 = 144 + 144 - 288cosθ

1 = -288cosθ

cosθ = (-1/288)

θ = 90.199

For the area of home plate, we have:

Area of home plate = Area of rectangle + Area of triangle

Area of home plate = 17(8.5) + 1/2(12)(12)sin90.199

Area of home plate = 144.5 + 72(0.9999940)

Area of home plate = 216.5 in².

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The simplified expression when a polynomial is divided by a monomial is [tex]y^3 / u^3 (8u^4 - 3y^2u^4 - 3y^2).[/tex]

A polynomial expression can be represented as a product of other, smaller polynomial expressions through the algebraic process of factoring. The process of factoring can be used to simplify expressions and solve problems. A polynomial equation's roots can be found by factoring, as can the common factors in an expression that can be eliminated. Factoring occasionally enables us to spot trends and connections between several expressions.

Depending on the kind of polynomial and the degree of the terms involved, there are several ways to factor. S

For the given expression [tex](12y^7u^2-32y^5u^6+15y^7u^6) / (-4y^2u^5)[/tex] factor the common term.

[tex](12y^7u^2-32y^5u^6+15y^7u^6) / (-4y^2u^5)\\-4y^5u^2(3y^2 - 8u^4 - 3y^2u^4) / (-4y^2u^5)[/tex]

Cancelling the -4:

[tex]= y^3 / u^3 (8u^4 - 3y^2u^4 - 3y^2)[/tex]

Hence, the simplified expression is [tex]y^3 / u^3 (8u^4 - 3y^2u^4 - 3y^2).[/tex]

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Answer:

1. Weird food combinations that people enjoy can vary widely and may include things like peanut butter and pickles, french fries and ice cream, or even hot sauce on popcorn.

2. Society needs to get over many social stigmas, such as those related to mental health, sexuality, gender identity, and race. Breaking down these stigmas can help create a more inclusive and accepting society.

3. Foods that people have never tried but would like to can also vary widely and may include exotic fruits, unusual vegetables, or traditional dishes from different cultures.

4. People may resent paying for a variety of things, such as taxes, healthcare costs, or overpriced products or services.

5. A world populated by clones of one person would likely be very homogenous and lacking in diversity, both in terms of physical appearance and personality traits.

6. The existence of aliens is a topic of debate and speculation. While there is no conclusive evidence that they exist, some people believe that the vastness of the universe suggests that other intelligent life forms could be out there.

7. People may worry about a wide range of things, such as their health, their relationships, their finances, or the state of the world.

8. Unusual places that people have been may include remote locations, abandoned buildings, or unconventional travel destinations.

9. People may get their news from a variety of sources, such as traditional news outlets, social media, or alternative news sources.

10. Red flags to watch out for in daily life can include warning signs of scams, dangerous situations, or manipulative people.

11. Movies that people can watch over and over without getting tired of can vary widely, from classic comedies to action-packed blockbusters.

12. When people are old, children may ask them to tell stories about their childhood, their family history, or significant events they witnessed throughout their lifetime.

13. Switching two movie characters could lead to a variety of inappropriate scenarios, depending on the characters and the plot of the movie.

14. An inanimate object that played loud upbeat music while being used could be annoying in many situations, such as during a quiet study session or while trying to fall asleep.

Triangle (B) is a comparable number that you must drag into the table.

An angle is formed when two straight lines or beams meet at a singular endpoint.

The intersection of two locations is known as the vertex of an arc.

The word "angle" is derived from the Latin word "angulus," which means "corner."

But there are some basic viewpoints.

Combining different shots greatly expands your camera options.

The most confusing of the five angles involves taking a scene from straight overhead.

So, the following:

Using the provided figure, we obtain:

A 60-degree equilateral triangle is depicted in the image.

And as can be seen in figure B, we obtain an equilateral triangle with a 60-degree inclination on each side.

Therefore, triangle (B) is a comparable number that you must drag into the table.

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The second piece of the function applies to x = 1, which is f(x) = -x².

Thus, f(1) = -(1)² = -1.  The correct answer is f(1) = -1.

What is function?

In mathematics, a function is a relationship between two sets of elements, called the domain and the range, such that each element in the domain is associated with a unique element in the range. In simpler terms, a function is a set of rules that takes an input value and produces a corresponding output value.

To find the value of f(1), we need to determine which piece of the function applies to x = 1.

Since 1 is greater than 0 and less than 2, the second piece of the function applies to x = 1, which is f(x) = -x².

Thus, f(1) = -(1)² = -1.

Therefore, the correct answer is f(1) = -1.

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Step-by-step explanation:

We can start by solving the second equation for one of the variables. Let's solve for y:

3x + 3y = 6

3y = 6 - 3x

y = 2 - x

Now we can substitute this expression for y into the first equation:

9x - 19y = 74

9x - 19(2 - x) = 74 (substituting y = 2 - x)

9x - 38 + 19x = 74

28x = 112

x = 4

Now we can use this value to find y:

y = 2 - x

y = 2 - 4

y = -2

Therefore, the solution to the system of equations is x = 4 and y = -2.

Hopes this helps

Answer:

n = 15

Step-by-step explanation:

the equation for inverse variation is

y = [tex]\frac{k}{x}[/tex] ← k is the constant of variation

to find k use the point (5, 3 ) , that is y = 3 when x = 5 , then

3 = [tex]\frac{k}{5}[/tex] ( multiply both sides by 5 )

15 = k

y = [tex]\frac{15}{x}[/tex] ← equation of variation

substitute (1, n ), that is x = 1, y = n into the equation

n = [tex]\frac{15}{1}[/tex] = 15

Answer: about 0.75

Step-by-step explanation:

There is no integer answer, but if you put the x value of -2, you will see the y value is about 0.75

The characteristic polynomial of A is λ³ - 4λ² - 3λ + 14. The eigenvalues of A are 2, 1, and 7.

According to the rational root theorem, p is a factor of the constant term and q is a factor of the leading coefficient if a polynomial with integer coefficients has a rational root of p/q, where p and q are integers without any shared factors. As the leading coefficient is 1 and the constant term is 14, the only potential rational roots in this situation are 1, 2, 7, and 14.

The characteristic polynomial of a matrix is given as

det(A - λI)

Here, λ is the eigen value.

det (A - λI)

[tex]\left[\begin{array}{ccc}1 - \lambda&0&1\\2&3 -\lambda&-1\\0&6& \lambda\end{array}\right][/tex]

Taking the determinant we have:

det(A - λI) = (1-λ)[(3-λ)(-λ) - (-1)(6)] - 0[2(-λ) - (-1)(0)] + (-1)[2(6) - (3-λ)(0)]

det(A - λI) = (1-λ)(λ² - 3λ - 6) - (-1)(12) = λ³ - 4λ² - 3λ + 14

Hence, the characteristic polynomial of A is λ³ - 4λ² - 3λ + 14.

The eigen values is the solution of the polynomial.

Using the rational roots of polynomial we have:

λ³ - 4λ² - 3λ + 14. factors as (λ-2)(λ-1)(λ-7)

Hence, the eigenvalues of A are 2, 1, and 7.

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Answer: -2， 6

（-2）Because from 3a³ to (1)a³, it needs to subtract 2a³.

   (6)  Because from -5b³ to b³, it needs to add 6.

To measure a straight angle, Shirley could use any combination of pattern blocks that adds up to 180 degrees.

What are the pattern block angle combinations Shirley could use to measure the angle?

As a result, the pattern block angle combinations that Shirley could use to measure the angle are:

Incomplete question provided, below is the complete question -
Shirley measures the straight angle using pattern blocks. Choose every possible combination of angle possibilities for pattern blocks Shirley could use to calculate the angle.

# The tan pattern block has six minor angles.

# On the red pattern block, there are two angles: one large and one small.

# On the red pattern block, there is one large angle and three small angles.

# The tan pattern block has four tiny angles, and the red pattern block has one tiny angle.

# The red pattern block has two sharp angles.

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The balance of the account after six years with a single $1856 deposit at an APR of 2.42% that compounds interest quarterly would be $2,177.89.

To calculate the balance of the account after six years, we need to use the formula for compound interest:

A = [tex]P(1 + r/n)^(nt)[/tex]

Where:

A = the final amount

P = the principal amount (initial deposit)

r = the annual interest rate as a decimal

n = the number of times the interest is compounded per year

t = the time the money is invested in years

Using the given values:

P = $1856

r = 2.42% = 0.0242

n = 4 (compounded quarterly)

t = 6

Substituting these values in the formula, we get:

A = [tex]1856(1 + 0.0242/4)^(4*6)[/tex]

A = [tex]1856(1.00605)^24[/tex]

A = $2,177.89

Therefore, with a single $1856 contribution over the course of six years at an annual percentage rate of 2.42%, the account balance would be $2,177.89.

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After answering the presented question, we can conclude that Softball graphs players drink less than 4 glasses of water, 60% drink 4 to 8 glasses, and 12% drink more than 8 glasses.

Mathematicians use graphs to visually display or chart facts or values in order to express them coherently. A graph point usually represents a relationship between two or more things. A graph, a non-linear data structure, is made up of nodes (or vertices) and edges. Glue the nodes, also known as vertices, together. This graph includes V=1, 2, 3, 5, and E=1, 2, 1, 3, 2, 4, and (2.5). (3.5). (4.5). Statistical graphs (bar graphs, pie graphs, line graphs, and so on) are graphical representations of exponential growth. A triangle-shaped logarithmic graph.

70% of track athletes drink 4 to 8 glasses of water every day.

We can observe that the blue segment, which represents the number of track athletes who drink 4 to 8 glasses of water each day, accounts for almost 70% of the whole bar. The graph does not support any of the other statements. According to the graph, approximately 25% of track athletes take less than 4 glasses of water, while approximately 5% consume more than 8 glasses. Baseball players drink less than 4 glasses of water, 35% drink 4 to 8 glasses, and 25% drink more than 8 glasses. Softball players drink less than 4 glasses of water, 60% drink 4 to 8 glasses, and 12% drink more than 8 glasses.

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Rounded to the nearest tenth, the approximate duration for one swing of a pendulum with a length of 13.69 meters is 7.7 seconds.

We are given that the time, t, in seconds it takes for a pendulum to swing back and forth once is given by:

t = 2.01√L

where L is the length of the pendulum in meters.

We are asked to find the time it takes for a pendulum of length 13.69 meters to swing back and forth once. So we can substitute L = 13.69 into the equation above to get:

t = 2.01√(13.69) ≈ 2.01 × 3.7 ≈ 7.7

Therefore, the time it takes for a pendulum of length 13.69 meters to swing back and forth once is approximately 7.7 seconds (rounded to the nearest tenth).

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Answer:

24

Step-by-step explanation:

Total number of food = x

If ¾ of food = number of burgers bought

Then 3/4 times x = 3x/4

3x/4= 18

x = 24

The total surface area of the square pyramid is 39 ft².

The total surface area of a square pyramid can be determined by adding the area of the lateral surfaces and the base together.  A square pyramid has four lateral sides and one base.  

Total surface area= area of the base + area of the lateral sides

Area of the base = area of a square = length² = 3² = 9 ft²

Area of the lateral sides = 2 x base x height

2 x 3 x 5 = 30 ft²

Total surface area = 30 + 9 = 39 ft²

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Therefore, the smaller of the two acute angles is 8°.

Trigonometry is a branch of mathematics that deals with the relationships between the angles and sides of triangles. Here are some general steps to solve trigonometry problems:

Understand the problem: Read the problem carefully and identify what is being asked for.

Draw a diagram: Draw a diagram of the triangle and label the sides and angles.

Identify the known values: Identify what is given in the problem, such as the lengths of the sides or the measure of an angle.

Choose the appropriate formula: Choose the formula that relates the known values to the unknown value that you need to find.

Solve for the unknown value: Use algebraic manipulation and/or your calculator to solve for the unknown value.

Check your answer: Check your answer to make sure it makes sense and that it satisfies any given constraints.

Let's start by using the trigonometric identity cos(x) = sin(90° - x) for the left-hand side of the equation:

[tex]cos(4x) =[/tex][tex]sin(90^{0} - 4x)[/tex]

Now we can substitute this into the original equation and simplify:

[tex]sin(90^{0} - 4x) = sin(6x + 10)[/tex]

Using the identity sin(a) = sin(b) implies a = b + 2kπ or a = π - b + 2kπ for some integer k, we can set the angles inside the sine function equal to each other and solve for x:

90° - 4x = 6x + 10 + 2nπ or 90° - 4x = π - (6x + 10) + 2nπ

where n is an integer.

Solving for x in the first equation, we get:

10x = 80° + 2nπ

x = 8° + (2n/10)π

Solving for x in the second equation, we get:

10x = 80° + π + 2nπ

x = (8° + π/10) + (2n/10)π

Since we want the acute angle of the right triangle, which is less than 90°, we only need to consider the values of x that satisfy 0° < x < 22.5°. From the two equations above, we see that x can take on values between 8° and 9° or between 89° and 90°. Therefore, the smaller of the two acute angles is 8°.

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Answer:

247700% I'm not sure

I'm not good I'm maths

Answer:

The dimensions of the t r including the path are 12+3+3 and 6+3+3 which is 18x12=216 m2

If we subtract the  tr area 12x6=72m2

216m2–72m2=144m2

Step-by-step explanation:

Answer:

Por lo tanto, el segmento AM mide 26 cm.

Step-by-step explanation:

Como M es el punto medio de AB, entonces AM tiene la misma longitud que MB. Por lo tanto, la longitud de AM es:

AM = MB = AB / 2

Sustituyendo los valores dados, tenemos:

AM = MB = AB / 2 = 52 cm / 2 = 26 cm

Answer:

x = 2

y = 14

Step-by-step explanation:

{y = 4x + 6;

{y = 7x;

.

Let's replace y in the second equation with the value given in the 1st equation:

4x + 6 = 7x

4x - 7x = -6

-3x = -6 / : (-3)

x = 2

x = 2y = 4 × 2 + 6 = 8 + 6 = 14

Let the side length of the square base be x cm and the height of the box be h cm. Then the volume of the box is given by:

V = x^2 * h = 13,500 cm^3

We want to minimize the amount of material used, which is the surface area of the box. The surface area A is given by:

A = x^2 + 4xh

We can use the volume equation to solve for h in terms of x:

h = 13,500 / x^2

Substituting this into the surface area equation gives:

A = x^2 + 4x(13,500 / x^2) = x^2 + 54,000 / x

To minimize A, we take the derivative with respect to x and set it equal to zero:

dA/dx = 2x - 54,000 / x^2 = 0

Solving for x, we get:

x^3 = 27,000

x = 30

Substituting this back into the volume equation gives:

h = 13,500 / (30^2) = 15

Therefore, the dimensions of the box that minimize the amount of material used are 30 cm by 30 cm by 15 cm.

(I THINK I USED THE RIGHT CALCULATOR)

Answer: V≈113.1

Step-by-step explanation:

V=πr2h=π·1.52·16≈113.09734