Mr and Mrs Limn took their 2 children to the Bird Park. An adult's ticket cost 4 times as much as a child's ticket. Mr Lim paid a total of S120 for all the tickets. What was the cost of a child's ticket?​

Answer:

133

Step-by-step explanation:

Answer:

(-2,-8)

Step-by-step explanation:

6x + 7y = -68

-2x + 7y = -52

Time the first equation by -1

-6x - 7y = 68

-2x + 7y = -52

-8x = 16

x = -2

Now put -2 in for x and solve for y

6(-2) + 7y = -68

-12 + 7y = -68

7y = -56

y = -8

Let's Check

6(-2) + 7(-8) = -68

-12 - 56 = -68

-68 = -68

So, (-2, -8) is the correct answer.

Answer:

B. Socialism

Step-by-step explanation:

In contrast to capitalism, socialists believe the shared ownership of resources and central planning offer a more equitable distribution of goods and services.

Karl Marx was the most prominent voice of socialism and believed the working class would rise up against the wealthy when faced with injustices.

The measure of arc LQ (m∠LQ) is equal to 34 degrees.

In Mathematics and Geometry, a chord of circle can be defined as a line segment that typically join any two (2) points of a circle.

Generally speaking, the inscribed angle of a circle is equal to half of the central angle of a circle. Mathematically, this is represented by the following mathematical expression:

m∠U = 1/2(m∠WC - m∠LQ)

37 = 1/2(108 - m∠LQ)

74 = 108 - m∠LQ

m∠LQ = 108 - 74

m∠LQ = 34 degrees.

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Answer: A = 3

Step-by-step explanation:

4x-2=10

4x=12

x =12/4

x=3

answer :

630

explanation

it's a graph question in the form of a word problem

question says if

(10, 390) & (15, 440) then (34, y)?

if x = 34 then what is y

get slope

m = (440 - 390) / (15 - 10) = 10

get graph

y - y1 = m(x - x1)

y - 440 = 10(34 - 15)

y - 440 = 190

y = 630

chatgpt

Answer:

Your answer will be y=4 I believe

Please mark me brainliest if that is correct :)

B. strong, negative correlation. An r-value of -0.86 shows a significant, negative correlation between the two variables under consideration.

An r-value of -0.86 shows a significant, negative correlation between the two variables under study. This implies that while one variable rises, the other falls, and vice versa. The inverse relationship is indicated by the negative sign, and the strength of the association is indicated by the absolute value of 0.86. A correlation coefficient's range is from -1 to 1, where -1 denotes a perfect negative correlation, 0 denotes no correlation, and 1 denotes a perfect positive correlation. Thus, an r-value of -0.86 denotes a significant, negative correlation between the two variables.

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To determine the cost of carpeting the room, we first need to calculate the area of the room that needs to be carpeted.

The area of the room is:

A = l × w

A = 6 m × 4 m

A = 24 square meters

Next, we need to determine the area of the carpet required. Since the carpet has a width of 1.5 m, we can think of the room as being covered by a series of strips of carpet, each of width 1.5 m. We need to calculate the length of each strip and then multiply that by the width of the carpet.

The length of each strip is equal to the length of the room, which is 6 m. So, the area of each strip of carpet is:

A_strip = l × w_carpet

A_strip = 6 m × 1.5 m

A_strip = 9 square meters

To cover the entire room, we will need to use several strips of carpet. The number of strips required is the total area of the room divided by the area of each strip:

Number of strips = A / A_strip

Number of strips = 24 square meters / 9 square meters

Number of strips = 2.6667 strips

Since we cannot use a fractional number of strips, we will need to round up to 3 strips of carpet.

The total area of carpet required is the area of each strip multiplied by the number of strips:

Total area of carpet = A_strip × Number of strips

Total area of carpet = 9 square meters × 3

Total area of carpet = 27 square meters

Finally, we can calculate the cost of carpeting the room at the given rate of rupees 200 per meter:

Cost of carpeting = Total area of carpet × Cost per meter

Cost of carpeting = 27 square meters × Rs. 200 per meter

Cost of carpeting = Rs. 5,400

Therefore, the cost of carpeting the rectangular room of 6 m long and 4 m wide with the carpet of width 1.5 m at rupees 200 per meter would be Rs. 5,400.

By answering the presented question, we may conclude that To prepare ratio 5 litres of cold drink, we'll need 625 millilitres of pure fruit concentrate.

In mathematics, ratios demonstrate how frequently one number is contained in another. For example, if there are 8 oranges and 6 lemons in a fruit plate, the ratio of oranges to lemons is 8 to 6. In a similar vein, the orange-to-whole-fruit ratio is 8, whereas the lemon-to-orange ratio is 6:8. A ratio is an ordered pair of integers a and b represented as a / b, where b is not zero. A ratio is an equation that equates two ratios. For example, if there is one male and three girls (for every boy she has three daughters), 3/4 are girls and 1/4 are boys.

If the concentrate-to-water ratio is 1:7, it signifies that the final product requires 7 parts water for every 1 part concentrate. As a result, the total number of components in the combination is 1+7=8.

To produce 5 litres of the cold drink, we must first establish the quantity of concentrate necessary to make 8 parts, and then multiply this figure by 5 litres.

As a result, we need 1 part concentrate and 7 parts water to create 8 parts.

As a result, we require 1/8th of 5,000 millilitres of concentrate, or 625 millilitres.

To prepare 5 litres of cold drink, we'll need 625 millilitres of pure fruit concentrate.

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Say no to drugs. It is not good for the body.

The team can be expected to score about 15 goals in 10 games based on their relative frequency of scoring 24 goals in 16 games.

The proportion or percentage of times that even an event or category occurs in a dataset is measured by relative frequency. It is derived by dividing the total number of observations in the dataset by the frequency with which the event or category occurs. In statistics, relative frequency is frequently used to compare the occurrence of various events or categories and to characterise the distribution of a dataset. Also, depending on a sample, it is used to calculate the likelihood that an event will occur in a population.

The goals scored in 10 games can be calculated using proportions:

Given that,

24 goals / 16 games = 1.5 goals per game

For 10 games we have:

1.5 goals per game × 10 games = 15 goals

Hence, the team can be expected to score about 15 goals in 10 games based on their relative frequency of scoring 24 goals in 16 games.

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The final image of quadrilateral ABCD after a dilation centered at D with a scale factor of 2, followed by a reflection in the line x = 1, is attached below, where A', B', C', and D' are the new points after the transformation.

What are Transformation and Reflection?

Single or multiple changes in a geometrical shape or figure are called Geometrical Transformation. A geometrical transformation in which a geometrical figure changes his position to his mirror image about some point or line or axis is called Reflection.

First, we need to apply the dilation centered at point D with a scale factor of 2. To do this, we will multiply the coordinates of each point by 2, with D as the center of dilation.

Point D remains the same since the scale factor does not affect it:

D(5, 1)

To find the new coordinates of points A, B, and C, we will use the following formula:

New Point = Center of Dilation + Scale Factor * (Original Point - Center of Dilation)

For point A:

New A = D + 2 * (A - D)

New A = (5, 1) + 2 * (-3, 3)

New A = (-1, 7)

For point B:

New B = D + 2 * (B - D)

New B = (5, 1) + 2 * (0, 3)

New B = (5, 7)

For point C:

New C = D + 2 * (C - D)

New C = (5, 1) + 2 * (3, -3)

New C = (11, -5)

Now that we have the new coordinates, we can reflect the image in the line x = 1. To do this, we will reflect each point across the line x = 1 by replacing the x-coordinate with its reflection across the line.

The equation of line x = 1 is a vertical line passing through x = 1. Therefore, to reflect a point across this line, we need to find the difference between the x-coordinate of the point and the line (which is 1), and subtract that difference from the line.

For point D:

D(5, 1) reflected in x = 1 is (2, 1)

For point A:

New A(-1, 7) reflected in x = 1 is (-3, 7)

For point B:

New B(5, 7) reflected in x = 1 is (-3, 7)

For point C:

New C(11, -5) reflected in x = 1 is (13, -5)

Hence, The final image of quadrilateral ABCD after a dilation centered at D with a scale factor of 2, followed by a reflection in the line x = 1, is attached below, where A', B', C', and D' are the new points after the transformation.

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According to the information the mistake is in the calculation of the vector y. According to your solution, y = [3, 2, 1, 0], but it should actually be y = [2, 2, 2, 2].

To see why, let's go back to the definition of y. We have:

y = c - Ax

Plugging in the given values, we get:

y = [1, 2, 3, 4] - [[1, 1, 0, 0], [0, 1, 1, 0], [0, 0, 1, 1]] [x1, x2, x3, x4]

Simplifying this matrix multiplication, we get:

y = [1-x1-x2, 2-x2-x3, 3-x3-x4, 4-x4]

Now we need to solve for x1, x2, x3, and x4 such that y = [2, 2, 2, 2]. That means we have the following system of equations:

1 - x1 - x2 = 2

2 - x2 - x3 = 2

3 - x3 - x4 = 2

4 - x4 = 2

Solving this system, we get x1 = -1, x2 = -1, x3 = 0, and x4 = 2. Plugging these values back into the equation for y, we get y = [2, 2, 2, 2], which is the correct solution.

So it looks like the mistake was in the calculation of y, which led to incorrect values for x1, x2, x3, and x4, and ultimately an incorrect value for c.

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The answer is A. (x-1)²/16-(y-1)²/4=1. The standard form of the equation that describes the hyperbola is (x-1)²/16-(y-1)²/4=1.

A hyperbola is a two-dimensional, closed-curve shape with two branches, each of which is a mirror image of the other.

This equation is in the standard form of a hyperbola equation, which is

(x-h)²/a² - (y-k)²/b² = 1, where (h,k) is the center of the hyperbola and a and b are the distance from the center to the vertices of the hyperbola.

In this case, the center of the hyperbola is (1,1).

This can be determined by taking the average of the coordinates of the two vertices, (1,-1) and (1,3), which is (1,1).

The distance from the center to the vertices of the hyperbola is 8 for the x-coordinate, and 4 for the y-coordinate.

This can be determined by taking the difference of the coordinates of the vertices, which is 8 for the x-coordinate and 4 for the y-coordinate.

Therefore, the standard form of the equation that describes the hyperbola is (x-1)²/16-(y-1)²/4=1.

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Answer:

3

Step-by-step explanation:

The forklift operator can move at most 8 palettes at one time.

A forklift operator is a person who operates a forklift, which is a type of powered industrial truck used to lift and move heavy materials over short distances. Forklift operators are commonly employed in warehouses, manufacturing plants, and other industrial settings where materials need to be moved and stored. They are responsible for loading and unloading trucks, transporting materials to and from storage areas, and positioning materials for storage or processing. Forklift operators must be trained and certified to operate the equipment safely and efficiently.

In the given question,

To move all 43 palettes, the operator needs to make at least 43/8 = 5.375 trips.

Since the operator cannot make a fraction of a trip, he will need to make at least 6 trips in order to move all 43 palettes.

On the first five trips, the operator will move 8 palettes each time, and on the final trip, he will move the remaining 3 palettes.

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After applying the row operations, the matrix is obtained as [tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & 0 & -13 & -8\end{array}\right] \\[/tex].

What is a matrix?

A matrix is a rectangular array or table with numbers or other objects arranged in rows and columns. Matrices is the plural version of matrix. The number of columns and rows is unlimited. Matrix operations include addition, scalar multiplication, multiplication, transposition, and many others.

The augmented matrix is given as -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\2 & 3 & -4 & 2 \\-1 & -4 & 4 & 1\end{array}\right][/tex]

The first row operation is -

[tex]R_2=-2r_1+r_2[/tex]

After applying the row operation the matrix will be -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\-1 & -4 & 4 & 1\end{array}\right] \\[/tex]

The second row operation is -

[tex]R_3=1r_1+r_3[/tex]

After applying the row operation the matrix will be -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & -3 & 5 & 4\end{array}\right] \\[/tex]

The third row operation is -

[tex]R_3=3r_2+r_3[/tex]

After applying the row operation the matrix will be -

[tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & 0 & -13 & -8\end{array}\right] \\[/tex]

Therefore, the matrix is obtained as [tex]\left[\begin{array}{c c c | c}1 & 1 & 1 & 3\\0 & 1 & -6 & -4 \\0 & 0 & -13 & -8\end{array}\right] \\[/tex].

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We know that we would need to make use of the calculator to obtain the value of 6³⁶ as 1.03 * 10^28.

The expression 6³⁶ means "6 raised to the power of 36," which is equivalent to multiplying 6 by itself 36 times.

So, 6³⁶ is a very large number.  This number is difficult to comprehend, but it has many practical applications in fields such as physics, engineering, and computer science.

We can see that we have to make use of the standard form to write;  1.03 * 10^28 as the result.

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Step-by-step explanation:

a quadratic function means it has an "x²" based term as highest x exponent.

and as such it has 2 zeroes.

the request here simply means that both zeros must be equal and 5.

remember, factoring the function expression tells us the zeroes right away.

now we reverse the process.

we know the zeroes (5 - two times).

so we define the factors to have the desired zeroes :

y = (x - 5)(x - 5)

you see what i did there ? we need to have a quadratic equation, and therefore 2 zeroes. both with the value of 5.

y = (x - 5)(x - 5) = x² - 5x - 5x + 25 = x² - 10x + 25

A quadratic function with only one zero can be derived using the vertex form of a quadratic function, where h equals the zero. Hence, a possible quadratic function with five as the only zero is f(x) = (x - 5)^2.

In mathematics, a quadratic function is written in the form f(x) = ax2 + bx + c.

So, a potential function could be f(x) = (x - 5)2.

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Answer:

Step-by-step explanation:Let $x$ be a three-digit positive integer, and let $a$, $b$, and $c$ be the digits of $x$. Then we want $x - (a + b + c)$ to be a three-digit number whose digits are all the same. This means that $x - (a + b + c) = 111$, $222$, $\ldots$, or $888$.

If $x - (a + b + c) = 111$, then we have $x = a + b + c + 111$. Since $x$ is a three-digit number, $1 \leq a \leq 9$, $0 \leq b \leq 9$, and $0 \leq c \leq 9$. Thus, there are $9 \cdot 10 \cdot 10 = 900$ possible values of $x$ that give a three-digit number whose digits are all $1$.

Similarly, we have $x = a + b + c + 222$, $x = a + b + c + 333$, $\ldots$, and $x = a + b + c + 888$. Each of these equations gives $900$ possible values of $x$.

Therefore, there are a total of $8 \cdot 900 = \boxed{7200}$ three-digit positive integers $x$ that satisfy the conditions of the problem.

Graph B is correct and shows the rectangular opening.

Looking at the text the question, I notice that each unit means 1 inch. After looking at all the graphs, I found out that B was the correct answer because of the sides. The sides are five inches by two inches and it was the only graph that had these units.

—————

Please remember to revise this and make it in your own words if you want! I hope this helps you. -Doodle

—————

Answer: Option B.

Step-by-step explanation:

     With the scale of one unit equalling one inch, the only answer option that meets the given requirement of having side lengths that are 5 inches and 2 inches is option B.

     Answer A is 4 units by 2 units, Answer B is the needed 5 units by 2 units, Answer C is 7 units by 2 units, and Answer D is 6 units by 2 units. This leaves us with Answer B.

Step-by-step explanation:

You need to find 85% of 125 points :

85% * 125 =  .85  * 125 = ~ 106 points

Simply enter the equations into the calculator and use the graphing option to visualize these equations.

A mathematical assertion that two expressions are equal is known as an equation. One or more variables, or values that can change within a specific range, are frequently present in equations. The equal sign (=) is frequently used in equations to denote that the expressions on each side of it have the same value. For instance, the formula x + 2 = 5 states that the product of x and 2 equals 5. When we solve for x in this equation, we get x = 3, which is the value of x that causes the equation to hold true.

given

Follow these steps to graph y = 2x - 1 and y = -x + 3:

To plot, pick a set of x-values. For instance, you could select -5 x 5.

For each equation, enter x values to determine the associated y values. You can create a table to aid with work organization:

Draw a coordinate plane and plot the points from your table there. For instance, the first row of the table is represented by the point (-5, -11).

For each equation, draw a straight line to join the points. The slope of the line for y = 2x - 1 will be positive, whereas the slope of the line for y = -x + 3 will be negative.

Use a graphing calculator to double-check your work and make sure your graph matches the one in the image.

Simply enter the equations into the calculator and use the graphing option to visualize these equations.

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Answer: 7.5

Step-by-step explanation: Because Noah has five dollars, 100% of 5 is 5, and 50% of 5 is 2.5 so Diego has 7.5 dollars.

Answer:

$7.5

Step-by-step explanation:

There are two ways to solve this:

1) First, write the equation:

150% of 5

Then calculate:

[tex]\frac{150}{100} *5[/tex]

Finally, simplify 1 zero with the 0 in 15:

1.5 * 5

= $7.5

2) For the second way, because 150 is more than over 100 (percent), you deduct 150 and 100:

150 - 100 = 50

Then find 50% of 50:

[tex]\frac{50}{100} *5[/tex]

Then cancel 1 zero in 100 with the zero in 50:

0.5 * 5

= 2.5

Finally, add the product with the original amount of Noah:

5 + 2.5

= $7.5

Therefore, the surface area of the second figure is 3049.6 square feet, and its volume is 11,483.68 cubic feet.

Volume is a measure of the amount of space that a three-dimensional object occupies. It is the measure of how much space is enclosed within a boundary in three dimensions. In simple terms, volume is the amount of space that an object occupies. It is measured in cubic units such as cubic meters (m³), cubic centimeters (cm³), cubic feet (ft³), or gallons (gal).

Here,

To find the surface area and volume of the second figure, we need to know the dimensions of the figure. Since the second figure is similar to the first one, we know that the ratios of the corresponding sides of the two figures are equal. Let x be the unknown scale factor between the two figures. Then, we have:

x = 19/5 (the ratio of the heights of the two figures)

So, we can find the other dimensions of the second figure by multiplying the corresponding dimensions of the first figure by x.

The dimensions of the first figure are:

Height = 5 ft

Length = 6 ft

Width = 7 ft

Multiplying these dimensions by x, we get:

Height = 19 ft (given)

Length = 6 * (19/5) = 22.8 ft

Width = 7 * (19/5) = 26.6 ft

Now, we can find the surface area and volume of the second figure.

Surface area = 2lw + 2lh + 2wh

= 2(22.8 * 26.6) + 2(22.8 * 19) + 2(26.6 * 19)

= 3049.6 ft²

Volume = lwh

= 22.8 * 19 * 26.6

= 11,483.68 ft³

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Complete question:

A second figure with a height of 19 ft is similar to the figure below. Find the surface area and volume of the second figure.