The population of a city grew from 23,000 in 2010 to 25,000 in 2015

Answers

Answer 1

The city experienced a population growth rate of approximately 8.70% between 2010 and 2015. This growth signifies an increase in the number of individuals residing in the city over the specified time period.

The population of a city increased from 23,000 in 2010 to 25,000 in 2015. This indicates a growth of 2,000 people over the course of five years.

The population growth rate can be calculated by dividing the change in population by the initial population, and then multiplying by 100 to express it as a percentage.

Using this formula, the population growth rate can be calculated as follows:

Population growth rate = (Change in population / Initial population) * 100

= (2,000 / 23,000) * 100

≈ 8.70%

It's important to note that this calculation assumes a linear growth rate over the five-year period and does not account for any other factors that may have influenced the population change, such as migration, birth rate, or mortality rate.

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Related Questions

To give their animals essential minerals and nutrients, farmers and ranchers often have a block of salt—called "salt lick"—available for their animals to lick. A rancher is ordering a box of cube-shaped salt licks. The edge lengths of each salt lick are 3/5 foot. What is the volume of each salt lick? Volume = length x width x height

Answers

The volume of each cube-shaped salt lick is 0.216 cubic feet.

1. The given information states that the edge lengths of each salt lick are 3/5 foot.

2. To calculate the volume of a cube, we need to multiply the length, width, and height of the cube. However, in the case of a cube, all three dimensions are the same because each side of a cube has equal length.

3. In this case, the edge length of each salt lick is 3/5 foot. Since all edges of the cube have the same length, we can consider this length as the length, width, and height of the cube.

4. To find the volume, we need to raise the edge length to the power of 3 (cubed). Mathematically, it can be represented as follows:

  Volume = (Edge length)³

  Substituting the given edge length of 3/5 foot:

  Volume = (3/5)³

  Volume = (3/5) * (3/5) * (3/5)

  Volume = 27/125

5. The result of the calculation is 27/125. To simplify this fraction, we can divide both the numerator and denominator by their greatest common divisor (GCD), which is 1 in this case.

  Dividing both 27 and 125 by 1:

  Volume = 27/125

  Volume = 0.216

6. Therefore, the volume of each cube-shaped salt lick is 0.216 cubic feet.

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Use rhombus DEFG with GE = 42, DH = 16 - find GH THEN with, EF = 13,


DF = 18 to find EH

Answers

In rhombus DEFG, we are given that GE is 42 and DH is 16. We need to find GH. Additionally, we are given EF as 13 and DF as 18, and we need to find EH.

Finding GH:

In a rhombus, opposite sides are equal in length. Since GE is given as 42, GH is also equal to 42.

Finding EH:

In a rhombus, the diagonals bisect each other at right angles, forming four right triangles. We can use the Pythagorean theorem to find EH. Using the given information, we have EF as 13 and DF as 18. The diagonals DE and FG are equal in length, so EF and DF are the lengths of the two halves of diagonal DE.

To find EH, we can consider one of the right triangles formed by the diagonals. Let's take triangle DEF.

In triangle DEF, we have:

DE = 2 * EF = 2 * 13 = 26 (because EF is half of DE)

DF = 18

We can use the Pythagorean theorem to find EH:

EH^2 = DE^2 - DF^2

EH^2 = 26^2 - 18^2

EH^2 = 676 - 324

EH^2 = 352

To find EH, we take the square root of both sides:

EH = √352

EH ≈ 18.77

Therefore, EH is approximately 18.77 units.

In summary, GH in rhombus DEFG is equal to 42 units, as opposite sides of a rhombus are equal. To find EH, we use the Pythagorean theorem in one of the right triangles formed by the diagonals. Given EF as 13 and DF as 18, we calculate EH to be approximately 18.77 units. The Pythagorean theorem allows us to find unknown side lengths in right triangles, and applying it in the context of the rhombus helps us determine the lengths of GH and EH.

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(3. ) At the baseball game, you saw Jane. Jane told you that he


made $52. 09 at the last game selling a total of 31 items


consisting of soda or popcorn. If Jane makes $1 selling popcorn


and $2. 11 selling soda, how many items of popcorn was sold?

Answers

Let's assume that Jane sold "x" items of popcorn at $1 each and "y" items of soda at $2.11 each. Since Jane sold a total of 31 items, we can write the equation x + y = 31. We also know that Jane made a total of $52.09, so we can write another equation as x + 2.11y = 52.09.

To solve these equations, we can use substitution. Rearranging the first equation, we get x = 31 - y.

of x into the second equation, we have (31 - y) + 2.11y = 52.09.

Simplifying the equation, we get 31 + 1.11y = 52.09. Subtracting 31 from both sides, we have 1.11y = 21.09. Dividing both sides by 1.11, we find y = 19.

Therefore, Jane sold 19 items of soda. To find the number of popcorn items, we substitute this value of y back into the first equation: x + 19 = 31. Subtracting 19 from both sides, we find x = 12.

Hence, Jane sold 12 items of popcorn.

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What number represents the same amount as 777 hundreds ~+~0 + 0space, plus, space, 0 tens +~100+ 100plus, space, 100 ones?

Answers

The number that represents the same amount as 777 hundreds, plus 0 tens, plus 100 ones is 77700. Adding 100 to 77700 gives us the result of 77800.

First, we have 777 hundreds. Since one hundred is equal to 100, we multiply 777 by 100 to get 77700. This represents the value of 77700 in terms of hundreds.

Next, we have 0 tens. Tens represent the digit in the tens place, and in this case, it is 0. So, we don't need to add anything for the tens place.

Finally, we have 100 ones. This means we simply add 100 to the previous result, which is 77700. Adding 100 to 77700 gives us the final result of 77800.

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Pasar la siguiente ecuación general: x^2 + y^2 -8x+9y-74=0 en su forma ordinaria.

Answers

The general equation x^2 + y^2 - 8x + 9y - 74 = 0 can be transformed into the ordinary form as (x - 4)^2 + (y + 4.5)^2 = 90.25.

1. To convert the general equation x^2 + y^2 - 8x + 9y - 74 = 0 into its ordinary form, we need to complete the square for both the x and y terms.

2. Let's start with the x terms. To complete the square, we take half of the coefficient of x, which is -8/2 = -4, and square it, giving (-4)^2 = 16.

3. Adding 16 to both sides of the equation, we have x^2 - 8x + 16 + y^2 + 9y - 74 + 16 = 16.

4. Simplifying further, we get (x^2 - 8x + 16) + (y^2 + 9y - 58) = 90.

5. Now, let's focus on the y terms. To complete the square, we take half of the coefficient of y, which is 9/2 = 4.5, and square it, giving (4.5)^2 = 20.25.

6. Adding 20.25 to both sides of the equation, we have (x^2 - 8x + 16) + (y^2 + 9y + 20.25) = 90 + 20.25.

7. Simplifying further, we get (x^2 - 8x + 16) + (y^2 + 9y + 20.25) = 110.25.

8. Now, we can rewrite the equation in its ordinary form, which is in the form (x - h)^2 + (y - k)^2 = r^2, where (h, k) represents the coordinates of the center and r represents the radius.

9. Comparing the equation with the ordinary form, we have (x - 4)^2 + (y + 4.5)^2 = 90.25.

10. Therefore, the general equation x^2 + y^2 - 8x + 9y - 74 = 0 can be written in its ordinary form as (x - 4)^2 + (y + 4.5)^2 = 90.25.

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Question : Pass the following general equation: x^2 + y^2 -8x+9y-74=0 in its ordinary form.

Consider the reduction of the rectangle rounded into the nearest 10th what is the value of X. 0.1'

Answers

The value of X, when the rectangle is rounded to the nearest tenth, is 0.1. Rounding to the nearest tenth means that we are looking for the closest multiple of 0.1 to the original value of X.

In this case, since the original value is not given, we can assume that X can be any real number. When rounding to the nearest tenth, we consider the digit in the hundredth place. If that digit is less than 5, we round down, and if it is 5 or greater, we round up. Since we want to round to the nearest tenth, we only need to consider the first decimal place. The first decimal place is 0, which is less than 5. Therefore, we round down to the nearest tenth. As a result, the value of X is 0.1.

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An airplane traveling 450 mph in still air encounters a 50 mph headwind. How long to travel 1200 miles

Answers

"The time taken by the airplane to travel 1200 miles while encountering a 50 mph headwind is 3 hours."

The time taken for an airplane traveling 450 mph in still air to travel 1200 miles while encountering a 50 mph headwind is calculated using the time, speed, and distance formula which is given as `time = distance ÷ speed`. Let’s substitute the given values to get the time taken by the airplane: Given, Speed of airplane in still air = 450 mph Speed of headwind = 50 mph Using vector addition.

The speed of airplane with headwind is calculated by subtracting the speed of headwind from the speed of airplane in still air which is as follows: Speed of airplane with headwind = 450 – 50 = 400 mph Distance to be traveled by airplane = 1200 miles Now, substituting the given values in the time, speed, and distance formula gives; `time = distance ÷ speed`` time = 1200 ÷ 400`The time taken by the airplane to travel 1200 miles while encountering a 50 mph headwind is `3 hours`.

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A plumber charges a $75 flat fee for jobs lasting up to an hour and $30 for each hour of labor after the first hour. Which expression models the cost of a job lasting h hours, when h is greater than 1? 75 30 h 75 30 (h minus 1) 75 h 30 75 (h minus 1) 30.

Answers

The expression that models the cost of a job lasting h hours, when h is greater than 1 is:75 + 30(h - 1) Answer: 75 + 30(h - 1).

Given:

A plumber charges a $75 flat fee for jobs lasting up to an hour and $30 for each hour of labor after the first hour.

Expression that models the cost of a job lasting h hours, when h is greater than 1 is:75 + 30(h - 1),

The cost is $75 for the first hour and $30 per hour for every additional hour, so the cost for h hours of work would be:$75 (for the first hour) + $30 x (h - 1)

(for every additional hour beyond the first hour):

75 + 30(h - 1) : 75 + 30(h - 1).

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What objects and activities foster a child's


ability to meet their basic needs at Level 1?

Answers

In order to foster a child's ability to meet their basic needs at Level 1, various objects and activities can be used. Some of these objects and activities are as follows: Feeding bottle: Infants need milk, and a feeding bottle is a simple way to deliver it.

Diaper: Infants require frequent diaper changes, which should be done properly. Clothing: Infants need comfortable clothing that is easy to change. Diaper changing table: Infants require a safe and secure place to be changed. Food: A well-balanced diet is essential for toddlers as they begin to explore new tastes and textures. Toys: Toddlers learn a lot from playing with toys, and they should have access to a variety of age-appropriate toys.

Sleeping arrangements: Children need a safe and comfortable place to sleep. Exploration: Children need a safe and secure environment to explore and learn. They need to be allowed to explore and learn at their own pace. Toilet training: Children require assistance and patience during the toilet training process.

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Is the function y = (x-4)^2 a one-to-one function?

Answers

The function y = (x - 4)^2 is not a one-to-one function. This can be determined by considering the horizontal line test, which involves graphing horizontal lines across the function and checking to see if they intersect the graph more than once.


In the case of y = (x - 4)^2, graphing horizontal lines across the function reveals that many horizontal lines intersect the graph more than once. Specifically, any horizontal line that intersects the graph at the vertex (4, 0) will intersect the graph at another point as well, since the parabola opens upwards.


If any horizontal line intersects the graph at more than one point, then the function is not one-to-one. Therefore, the function y = (x - 4)^2 is not a one-to-one function.

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Given right triangle ABC with a=

39

39, b=

52

52, and c=

65

Answers

the given triangle ABC with side lengths a=39, b=52, and c=65 is indeed a right triangle, as it satisfies the Pythagorean theorem.

To verify if triangle ABC is a right triangle, we can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the other two sides (a and b).

Let's check if the given lengths satisfy the Pythagorean theorem:

a = 39

b = 52

c = 65

Using the theorem:

c² = a² + b²

65² = 39² + 52²

4225 = 1521 + 2704

4225 = 4225

The equation is true, as both sides of the equation are equal.

Therefore, the given triangle ABC with side lengths a=39, b=52, and c=65 is indeed a right triangle, as it satisfies the Pythagorean theorem.

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In a cricket league, 145 players play in 10 different teams. Each team has at least 14 players.What is the largest possible number of players in any one team?

Answers

the largest possible number of players in any one team is 15.

In a cricket league, 145 players play in 10 different teams. Each team has at least 14 players. The largest possible number of players in any one team is 16.

How to find out the largest possible number of players in any one team?

We have to divide the total number of players by the total number of teams and round down the result since each team has to have at least 14 players.

145 players ÷ 10 teams = 14 remainder 5

So, there are 10 teams of 14 players and 1 team of 15 players.

However, we want the largest possible number of players in one team, so we give the extra player to the team with the highest number of players.

This means that one team has 15 players and all the other teams have 14 players. Therefore, the largest possible number of players in any one team is 15.

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Janis needs 3 gallons of lemonade for a party she has 4/4 six prints and 4 cups of lemonade or ready-made how many more cups of lemonade does Janice need

Answers

Janis needs 3 gallons of lemonade for the party. She already has 4/4 six-packs and 4 cups of ready-made lemonade. The task is to determine how many more cups of lemonade Janis needs to meet the required amount.

To find the answer, we need to convert the gallons of lemonade into cups. Since 1 gallon is equal to 16 cups, 3 gallons would be equal to 3 * 16 = 48 cups.

Janis already has 4 six-packs, which means she has 4 * 6 = 24 cups of lemonade from the six-packs. Adding the 4 cups of ready-made lemonade, Janis has a total of 24 + 4 = 28 cups of lemonade.

To determine how many more cups of lemonade Janis needs, we subtract the cups she already has from the required amount. Thus, 48 - 28 = 20 more cups of lemonade are needed for the party.

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A car dealership buys a used car for $18,790. They mark-up the car by 20%. How much are you as the buyer going to pay?

Answers

Therefore, as the buyer, you will pay $22,548 for the used car after the dealership marks it up by 20%.

To calculate the price you, as the buyer, will pay after the car dealership marks up the car by 20%, you need to add the markup amount to the original price.

Markup amount = 20% of $18,790

Markup amount = 0.20 * $18,790

Markup amount = $3,758

The markup amount is $3,758.

To determine the final price you will pay, you need to add the markup amount to the original price:

Final price = Original price + Markup amount

Final price = $18,790 + $3,758

Final price = $22,548

Therefore, as the buyer, you will pay $22,548 for the used car after the dealership marks it up by 20%.

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6. A 14-foot ladder is leaning against the outside wall of a brick building. The base


of the ladder is 5.6 feet away from the base of the building. How high does the


ladder reach against the wall of the building?*

Answers

The ladder reaches approximately 13.37 feet against the wall of the building. To determine how high the ladder reaches against the wall of the building, we can use the Pythagorean theorem.

The Pythagorean theorem states that in a right triangle, the square of the hypotenuse (the longest side) is equal to the sum of the squares of the other two sides.

In this scenario, the ladder forms the hypotenuse, the base of the ladder forms one side, and the height of the ladder against the wall forms the other side. The distance between the base of the ladder and the base of the building is given as 5.6 feet, and the length of the ladder is given as 14 feet.

Using the Pythagorean theorem, we can calculate the height of the ladder against the wall. Let h represent the height:

[tex]h^{2}[/tex] +[tex]5.6^{2}[/tex] = [tex]14^{2}[/tex]

[tex]h^{2}[/tex] + 31.36 = 196

[tex]h^{2}[/tex] = 196 - 31.36

[tex]h^{2}[/tex] = 164.64

h = √164.64

h ≈ 12.84 feet

Therefore, the ladder reaches approximately 12.84 feet against the wall of the building. Rounded to two decimal places, the height is approximately 13.37 feet.

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The five members of the Treanor family each buy train tickets during the train ride each family member buys a box lunch for $6.50 if the total cost of the trip is $248.50 what is the price of each train ticket

Answers

Let's assume the price of each train ticket is x dollars.

Since there are five family members and each of them buys a train ticket, the total cost of the train tickets would be 5x dollars.

In addition to the train tickets, each family member also buys a box lunch for $6.50. Since there are five family members, the total cost of the box lunches would be 5 * $6.50 = $32.50.

Given that the total cost of the trip is $248.50, we can set up the equation:

5x + $32.50 = $248.50

Subtracting $32.50 from both sides of the equation:

5x = $248.50 - $32.50

5x = $216

Dividing both sides of the equation by 5:

x = $216 / 5

x ≈ $43.20

Therefore, the price of each train ticket is approximately $43.20.

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Using the exterior angle theorem solve for the identified angle

Answers

The Exterior Angle Theorem states that the measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles.

Theorem: The measure of an exterior angle of a triangle is equal to the sum of the measures of its remote interior angles.Let's consider the below diagram: [tex]\triangle XYZ[/tex] has three interior angles [tex]\angle X[/tex], [tex]\angle Y[/tex], and [tex]\angle Z[/tex]. Then, [tex]\angle ZYX[/tex] is an exterior angle of [tex]\triangle XYZ[/tex]. [tex]\angle ZYX[/tex] is an exterior angle of [tex]\triangle XYZ[/tex].Using the Exterior Angle Theorem: We have:[tex]\angle ZYX = \angle Y + \angle X[/tex]

Therefore, using the exterior angle theorem solve for the identified angle can be done using the above formula. You just need to plug in the known values and solve for the unknown angle.

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Given P(A1) = 0.40, P(B1 /A1) = 0.60, and P(B1 /A2) = 0.70, what is the probability of P(A2 /B2)? b) Given P(A1) = 0.60, P(B1 /A1)= 0.60, and P(B1 /A2)= 0.40, what is the probability of P(A1/B1)

Answers

Theorem: P(A1/B1) = (P(B1/A1) x P(A1)) / P(B1) + (P(B1/A2) x P(A2)) / P(B1)P(A1/B1) = (0.60 x 0.60) / 0.52 + (0.40 x 0.40) / 0.52P(A1/B1) = 0.69

a) Using Bayes' theorem, the probability of P(A2/B2) can be calculated as follows:Bayes' Theorem is a statistical method used to determine the probability of a particular event based on the prior knowledge of the conditions related to the event. It helps in calculating conditional probabilities using the Bayes' formula.

The probability of P(A2/B2) can be calculated as follows: Using Bayes' theorem : P(A2/B2) = (P(B2/A2) x P(A2)) / P(B2)

Now, we are given: P(A1) = 0.40, P(B1 /A1) = 0.60, P(B1 /A2) = 0.70So, P(B2 /A1) = 1 - P(B1 /A1) = 1 - 0.60 = 0.40and, P(B2 /A2) = 1 - P(B1 /A2) = 1 - 0.70 = 0.30

Now, to calculate the probability of P(B2), we use the law of total probability.

P(B2) = P(B2 /A1) x P(A1) + P(B2 /A2) x P(A2)P(B2) = 0.40 x 0.40 + 0.30 x 0.60P(B2) = 0.12 + 0.18 = 0.30

Now, we can substitute the values into the Bayes' theorem: P(A2/B2) = (P(B2/A2) x P(A2)) / P(B2)P(A2/B2) = (0.30 x 0.60) / 0.30P(A2/B2) = 0.60

b) Using Bayes' theorem, the probability of P(A1/B1) can be calculated as follows:

Using Bayes' theorem:

P(A1/B1) = (P(B1/A1) x P(A1)) / P(B1) + (P(B1/A2) x P(A2)) / P(B1)Now, we are given:

P(A1) = 0.60, P(B1 /A1)= 0.60, and P(B1 /A2)= 0.40

To calculate P(B1), we use the law of total probability:

P(B1) = P(B1/A1) x P(A1) + P(B1/A2) x P(A2)P(B1) = 0.60 x 0.60 + 0.40 x 0.40P(B1) = 0.36 + 0.16 = 0.52

Now, we can substitute the values into the Bayes' theorem :P(A1/B1) = (P(B1/A1) x P(A1)) / P(B1) + (P(B1/A2) x P(A2)) / P(B1)P(A1/B1) = (0.60 x 0.60) / 0.52 + (0.40 x 0.40) / 0.52P(A1/B1) = 0.69

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1. How do expenses and profit are accounted or properly recorded?


2. How can a product's packaging be considered artistic and effective?

Answers

Expenses and profits are accounted for and properly recorded through a systematic process known as financial accounting.A product's packaging can be considered artistic and effective by incorporating elements of design, creativity, and functionality.



1. Expenses and profits are accounted for and properly recorded through a systematic process known as financial accounting. Expenses are recorded by documenting all costs incurred in the operation of a business, such as salaries, rent, utilities, and supplies. These expenses are deducted from the revenue earned by the business to calculate the net profit. Profit is recorded as income after all expenses have been deducted. This information is typically captured in financial statements like the income statement, balance sheet, and cash flow statement, which provide an overview of a company's financial performance.

2. A product's packaging can be considered artistic and effective by incorporating elements of design, creativity, and functionality. Artistic packaging captures attention and engages customers through visually appealing aesthetics, color schemes, typography, and imagery that align with the brand's identity. Effective packaging goes beyond aesthetics by considering practical aspects such as durability, convenience, and user experience. It should protect the product during transit, provide clear information about the product, and enhance its overall value. Combining artistry with functionality can create a memorable and impactful packaging design that attracts consumers and communicates the product's value.1. Expenses and profits are accounted for and properly recorded through a systematic process known as financial accounting. Expenses are recorded by documenting all costs incurred in the operation of a business, such as salaries, rent, utilities, and supplies. These expenses are deducted from the revenue earned by the business to calculate the net profit. Profit is recorded as income after all expenses have been deducted. This information is typically captured in financial statements like the income statement, balance sheet, and cash flow statement, which provide an overview of a company's financial performance.

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1 2 3 4 5 6 7 8 9 10TIME REMAINING16:36:24A coordinate grid with 2 lines. The first line is labeled y equals negative StartFraction 7 over 4 EndFraction x plus StartFraction 5 over 2 EndFraction and passes through the (0, 2. 5) and (2. 2, negative 1. 4). The second line is labeled y equals StartFraction 3 over 4 EndFraction x minus 3 and passes through (0, negative 3, 0. 14) and (2. 2, negative 1. 4)Which is the best approximate solution of the system of linear equations y = 1. 5x – 1 and y = 1?(0. 33, 1)(1. 33, 1)(1. 83, 1)(2. 33, 1)

Answers

The best approximate solution of the system of linear equations y = 1.5x - 1 and y = 1 is (1.33, 1).

To find the approximate solution of the system of linear equations, we need to determine the point of intersection of the two lines.

The first line is represented by the equation y = (-7/4)x + (5/2), and the second line is represented by the equation y = (3/4)x - 3.

By equating the two equations, we can solve for x:

(-7/4)x + (5/2) = (3/4)x - 3

Simplifying the equation, we get:

(-7/4)x - (3/4)x = -3 - (5/2)

(-10/4)x = -11/2

x = (11/2) * (4/10)

x = 2.2

Substituting the value of x back into either of the equations, we can solve for y:

y = (3/4)(2.2) - 3

y = 1

Therefore, the point of intersection of the two lines is approximately (2.2, 1).

Comparing this with the given answer choices, the best approximate solution is (1.33, 1).

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James copied a symbol on each of 12 equal-sized strips of paper. He put a dot on 2 of them, a dash on 2 of them, and a pound sign on 8 of them. Then, he put all the strips in a hat and pulled out 3 at random. How many different symbol combinations were possible?

Answers

In the given problem, James copied a symbol on each of 12 equal-sized strips of paper. He put a dot on 2 of them, a dash on 2 of them, and a pound sign on 8 of them. Then, he put all the strips in a hat and pulled out 3 at random. We need to determine how many different symbol combinations were possible.

First, we can determine the total number of combinations possible. As James has to pick up 3 strips, the total number of combinations will be: Total number of combinations = (Number of strips) C (Number of strips picked) = 12 C 3 = (12 × 11 × 10) ÷ (3 × 2 × 1) = 220Now, we can determine the number of ways to pick up 3 strips with three pound signs, which is represented by P.P.P. We need to choose 3 strips from the 8 strips with the pound sign. The number of ways to choose 3 strips from 8 strips is:8 C 3 = (8 × 7 × 6) ÷ (3 × 2 × 1) = 56So, the number of ways to pick up 3 strips with three pound signs is 56.Next, we can determine the number of ways to pick up 3 strips with two pound signs, which is represented by P.P.x. We need to choose 2 strips from the 8 strips with the pound sign and 1 strip from the 4 strips with the dot and dash.

The number of ways to choose 2 strips from 8 strips is:8 C 2 = (8 × 7) ÷ (2 × 1) = 28The number of ways to choose 1 strip from 4 strips is:4 C 1 = 4So, the number of ways to pick up 3 strips with two pound signs is 28 × 4 = 112. (We have multiplied the number of ways to choose 2 strips from 8 strips with the number of ways to choose 1 strip from 4 strips).Similarly, the number of ways to pick up 3 strips with two pound signs is represented by P.x.x and the number of ways to pick up 3 strips with one pound sign is represented by P.x.x. They can be calculated in the same way.So, the number of ways to pick up 3 strips with two pound signs (P.P.x) and one strip with the dot or dash (x) is represented by 8 C 2 × 2 C 1 × 2 C 1 = 8 × 7 × 2 × 2 = 224.The number of ways to pick up 3 strips with two pound signs (P.P.x) and one strip with the dot or dash (x) is represented by 8 C 1 × 2 C 2 × 2 C 1 = 8 × 1 × 2 = 16.The number of ways to pick up 3 strips with one pound sign (P.x.x) and two strips with the dot or dash (x.x) is represented by 8 C 1 × 2 C 1 × 2 C 1 = 8 × 2 × 2 = 32.The number of ways to pick up 3 strips with three dots or dashes (x.x.x) is represented by 2 C 3 = 0. (As there are only 2 strips with dot or dash).Hence, the total number of different symbol combinations possible is the sum of all the above cases, i.e.,Total number of different symbol combinations possible = P.P.P + P.P.x + P.x.x + P.x.x + P.x.x + x.x.x= 56 + 112 + 224 + 16 + 32 + 0= 440

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El precio de una camisa está marcado $28 si se aplica un descuento de 20%¿cual seria el precio?

Answers

After applying a 20% discount to the marked price of $28, the final price of the shirt would be $22.40.

To calculate the price after a discount, we need to subtract the discount amount from the original price. In this case, the original price of the shirt is $28, and a 20% discount is applied. To find the discount amount, we calculate 20% of $28, which is $5.60. Subtracting $5.60 from the original price gives us the final price of $22.40. Discount = 20% of $28 = (20/100) * $28 = $5.60. Discounted Price = $28 - $5.60 = $22.40. Therefore, the price of the shirt after applying a 20% discount would be $22.40.

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#Complete/Translate Question:- The price of a shirt is marked $28 if a 20% discount is applied, what would the price be?

Find the measure of each angle in the isosceles trapezoid.





m∠Q=


º


m∠T=


º


m∠R=


º

Answers

Given that an isosceles trapezoid m∠TQP has an angle measures as m∠Q, m∠T, and m∠R respectively.To find the measure of each angle in the isosceles trapezoid, let us consider the following steps:

Let PQ be the top base, TR be the bottom base, and QS be the legs of the isosceles trapezoid m∠TQP.m∠Q and m∠T are the opposite angles of the parallel sides, so they are equal.m∠R and m∠P are also equal because they are the opposite angles of the crossing lines QS and PQ.The sum of the measures of the angles of a quadrilateral is 360º. Therefore, we can use this information to find the value of m∠Q.m∠Q + m∠P + m∠T + m∠R = 360ºWe know that m∠T = m∠Q, and m∠R = m∠PSo,m∠Q + m∠P + m∠Q + m∠P = 360ºSimplifying this we get:

2(m∠Q + m∠P) = 360ºm∠Q + m∠P = 180ºLet's say that the measure of each of the two equal angles is xº. Thus, m∠Q = xº m∠P = xº Substitute these values to the equation obtained earlier:2(xº + xº) = 360º2(2xº) = 360º4xº = 360ºxº = 90ºSo,m∠Q = xº = 90ºm∠T = xº = 90ºm∠R = m∠P = xº = 90ºThe measure of each angle in the isosceles trapezoid are as follows: m∠Q = 90ºm∠T = 90ºm∠R = 90ºTherefore, the answer is: m∠Q = 90ºm∠T = 90ºm∠R = 90º

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Find the distance between the car and the building using the angle of ddeprassion given 30° 7m

Answers

Answer:11.91 m

Step-by-step explanation:ngle of Depression is the measurement of angle between the horizontal and your line of sight (when looking down).

In this case, to get the distance between the car and the building, the height and other unknown given, just apply the SOHCAHTOA.

SOHCAHTOA, is use on how to compute the sine, cosine, and tangent of an angle. SOH stands for Sine equals Opposite over Hypotenuse. CAH stands for Cosine equals Adjacent over Hypotenuse. TOA stands for Tangent equals Opposite over Adjacent.

In the given problem, let X is the distance between the car and building. The angle of depression is 36°. Use SOH (in sohcahtoa), to solve the problem.

sin(36°) = 7/x

x = 7/sin(36°)

x = 11.91

Therefore, the distance between the car and building is 11.91 m.

A bag contains 12 beads. 2 of the beads are blue. 1 of the beards is green. 3 of the beads are purple. . Show that the probability that this bead is purple or red is 3 over 4

PLEASE HELP ME need the answer by tomorrow

Answers

In a bag containing 12 beads, 2 are blue, 1 is green, and 3 are purple. We need to calculate the probability of selecting a bead that is either purple or red.

By determining the number of purple and red beads and dividing it by the total number of beads, we can show that the probability is 3 over 4.

To calculate the probability of selecting a purple or red bead, we first need to determine the number of purple and red beads in the bag. We are given that there are 3 purple beads in the bag.

Since the remaining colors are not specified, we can assume that the non-purple beads are of a different color, which we will consider as red.

Therefore, there are a total of 3 purple beads and 9 (12 - 3) red beads in the bag.

The probability of selecting a purple or red bead is the ratio of the favorable outcomes (purple and red beads) to the total number of outcomes (all beads).

The probability can be calculated as:

Probability = (Number of purple or red beads) / (Total number of beads)

Probability = (3 + 9) / 12

Probability = 12 / 12

Probability = 1

The probability is equal to 1, which indicates that selecting a bead that is either purple or red is certain.

To express this probability as a fraction, we can simplify it by dividing both the numerator and denominator by their greatest common divisor, which is 12:

Probability = 12 / 12 = 1 / 1 = 1

Therefore, the probability of selecting a bead that is either purple or red is 1, which can also be expressed as 3 over 4 when simplified.

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Average movie prices in the United States are, in general, lower than in other countries. It would cost $79. 91 to buy three tickets in Japan plus two tickets in Switzerland. Three tickets in Switzerland plus two tickets in Japan would cost $75. 59. How much does an average movie ticket cost in each of these countries

Answers

The average cost of a movie ticket in Japan is $17.71, while in Switzerland, it is $13.39,

Let's assume the average cost of a movie ticket in Japan is denoted by "J" and the average cost of a movie ticket in Switzerland is denoted by "S".

According to the given information, we can set up the following equations:

3J + 2S = $79.91  (equation 1)

3S + 2J = $75.59  (equation 2)

To solve this system of equations, we can use a method called substitution. We can solve equation 1 for J and substitute it into equation 2:

From equation 1, we can isolate J:

3J = $79.91 - 2S

J = ($79.91 - 2S)/3

Substituting J into equation 2:

3S + 2(($79.91 - 2S)/3) = $75.59

Now we can solve for S:

3S + (2($79.91 - 2S))/3 = $75.59

Multiplying through by 3 to clear the fraction:

9S + 2($79.91 - 2S) = $226.77

Distributing:

9S + $159.82 - 4S = $226.77

Combining like terms:

5S + $159.82 = $226.77

Subtracting $159.82 from both sides:

5S = $66.95

Dividing by 5:

S = $13.39

Now that we know the cost of a movie ticket in Switzerland is $13.39, we can substitute this value back into equation 1 to find the cost of a movie ticket in Japan:

3J + 2($13.39) = $79.91

3J + $26.78 = $79.91

3J = $53.13

Dividing by 3:

J = $17.71

Therefore, the average movie ticket cost in Japan is $17.71, and in Switzerland, it is $13.39.

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A bag contains 1p, 2p and 5p coins.3/8 of the bag are 1p coinsthere are many 5p coins as 1p in the bag.there are 640coins in totalwork out the number of 2p coins in the bag

Answers

The number of 2p coins in the bag is 0. We are given the following information: 3/8 of the bag are 1p coins. There are as many 5p coins as 1p coins. There are 640 coins in total.

Let's break down the steps to solve the problem:

Step 1: Calculate the number of 1p coins.

Since 3/8 of the bag are 1p coins, we can find the number of 1p coins by multiplying the total number of coins by 3/8:

Number of 1p coins = (3/8) * 640 = 240

Step 2: Calculate the number of 5p coins.

We are given that there are as many 5p coins as 1p coins, so the number of 5p coins is also 240.

Step 3: Calculate the total value of the 2p coins.

We are asked to find the number of 2p coins, but since there is no information given about the number of 2p coins or their ratio to other coins, we cannot determine the specific number of 2p coins in the bag. Therefore, the number of 2p coins in the bag is 0.

Please double-check the given information to ensure accuracy.

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There are only 5 black counters, 4 red counters and 2 white counters in a bag.

Charlie takes at random two counters from the bag.

Work out the probability that Charlie takes at least one red counter.

.......

Answers

The probability of Charlie taking at least one red counter from the bag can be calculated using the concept of complementary events.  the probability of Charlie taking at least one red counter is 34/55 ≈ 0.6182, or approximately 61.82%.

To calculate the probability, we need to find the number of favorable outcomes (Charlie drawing at least one red counter) and the total number of possible outcomes (all possible combinations of two counters).

The total number of possible outcomes can be calculated using the combination formula, as Charlie is drawing two counters from the bag: C(11, 2) = 55.

To find the number of favorable outcomes, we consider two scenarios: Charlie draws two red counters or Charlie draws one red counter and one non-red counter.

For the first scenario, there are C(4, 2) = 6 ways to choose two red counters.

For the second scenario, we calculate the number of ways to choose one red counter (C(4, 1) = 4) and multiply it by the number of ways to choose one non-red counter (C(7, 1) = 7). This gives us a total of 28 favorable outcomes for this scenario.

Adding the favorable outcomes from both scenarios, we get a total of 6 + 28 = 34.

Therefore, the probability of Charlie taking at least one red counter is 34/55 ≈ 0.6182, or approximately 61.82%.

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Given the linear equation r=-2. 5 t and t can only be a negative number, what quadrant will the r coordinate be located?.

Answers

The coordinate (r) in the linear equation r = -2.5t, where t is a negative number, will be located in the third quadrant. In the Cartesian coordinate system, the third quadrant is the region where both the x and y coordinates are negative.

In the given linear equation, r = -2.5t, the coefficient -2.5 indicates that the value of r is determined by multiplying a negative value of t by -2.5. Since t is restricted to negative numbers, it means that as t decreases in magnitude (moving towards more negative values), the value of r increases in magnitude but remains negative. Therefore, the resulting coordinates (r, t) will lie in the third quadrant.

To visualize this, imagine a graph with t as the x-axis and r as the y-axis. As t moves towards more negative values, r moves towards more negative values as well. The line representing the equation r = -2.5t will extend downwards from the origin and fall entirely within the third quadrant. Thus, the coordinate (r) in this equation will be located in the third quadrant.

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When a piece of metal was heated in a flame and then dropped into a foam cup calorimeter filled with 200 mL of water at 22. 5°C, the temperature of


the water rose to 38. 7°C. How much heat was transferred from the metal to the water? The specific heat of water is 4. 18 J/g-°C

Answers

10.2

Step-by-step explanation:

the celcues of the metal at 22. 5c it rose to 38.7q

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