Plot these coordinates:(1,2),(1,7),(9,7),(9,3),(6,5). What is the area

Answers

Answer 1

To find the area of the region formed by the given coordinates, we can use the method of Shoelace Formula or Gauss's Area formula. The area of the polygon formed by the given coordinates is 25 square units

1. Plot the given coordinates: (1,2), (1,7), (9,7), (9,3), (6,5). These points represent the vertices of the polygon.

2. Connect the plotted points in order to form the polygon.

3. Use the Shoelace Formula or Gauss's Area formula to calculate the area of the polygon. The Shoelace Formula involves multiplying the differences of the x-coordinates with the corresponding y-coordinates and summing them up.

4. Apply the Shoelace Formula:

  Area = 1/2 * |(1*7 + 1*7 + 9*3 + 9*2 + 6*7) - (2*1 + 7*9 + 7*9 + 3*6 + 5*1)|

       = 1/2 * |(7 + 7 + 27 + 18 + 42) - (2 + 63 + 63 + 18 + 5)|

       = 1/2 * |101 - 151|

       = 1/2 * |-50|

       = 25

Therefore, the area of the polygon formed by the given coordinates is 25 square units.


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Related Questions

_ questions can only be answered in your head
A- random
B- on-the-page
C-out-of-left-field
D- From-my-brain

Answers

Random questions can be solved in your head. option A

What is random questions?

In common usage, randomness is the apparent or actual lack of pattern or predictability in information.

 A random sequence of events, symbols or steps often has no order and does not follow an intelligible pattern or combination. Individual random events are, by definition, unpredictable, but if the probability distribution is known, the frequency of different outcomes over repeated events (or "trials") is predictable

A random question has no particular pattern therefore it can be asked any how.

Therefore, we can conclude that random questions can only be answered in your heard with any research.

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Leroy wants to glue a ribbon around the semicircular window above his doorway. If w = 3 feet and the price of the ribbon is $0. 65 per foot. Use 3. 14 for π and round to the nearest cent

Answers

The cost of the ribbon needed to glue around the semicircular window is  $12.23.

The length of the ribbon needed to glue around the semicircular window, calculate the circumference of the semicircle. The formula for the circumference of a circle is C = 2πr, where r is the radius.

Given that the radius of the semicircle is w = 3 feet, into the formula to find the circumference:

C = 2πr

C = 2 ×3.14 × 3

C = 18.84 feet

The length of the ribbon needed to glue around the semicircular window is approximately 18.84 feet.

To calculate the cost of the ribbon, multiply the length of the ribbon by the price per foot:

Cost = length of ribbon × price per foot

Cost = 18.84 ×$0.65

Cost = $12.23

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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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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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The cost c of supplies for school depends on other factors lost at least 2 independent variables that could effect the cost of school supplies

Answers

Here are two independent variables that could affect the cost of school supplies:1. Inflation Rate: The inflation rate is a measure of the overall increase in prices over time.

It can impact the cost of various goods and services, including school supplies. If the inflation rate is high, the prices of school supplies may increase, leading to higher costs for purchasing these items.

2. Demand for School Supplies: The demand for school supplies can also influence their cost. Probability of Higher demand typically leads to increased prices, as suppliers may adjust their prices to match the demand. Factors such as back-to-school seasons, educational policies, and population growth can affect the demand for school supplies.

By considering the inflation rate and the demand for school supplies as independent variables, we can better understand how these factors can impact the cost of school supplies.

However, it's important to note that there could be other variables that can also affect the cost, such as production costs, supply chain disruptions, and changes in government policies related to education or trade.

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The cost c of supplies for school depends on other factors lost at least 2 independent variables that could effect the cost of school supplies?

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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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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If you were to use the substitution method to solve the following system, choose the new equation after the expression equivalent to x from the first equation is substituted into the second equation. X 4y = −9 2x 5y = −6 2x 5(4y − 9) = −6 2x 5(−4y − 9) = −6 2(4y − 9) 5y = −6 2(−4y − 9) 5y = −6.

Answers

The new equation obtained after substituting the expression equivalent to x from the first equation into the second equation is -18 - 13y = -6.

To solve the given system of equations using the substitution method, we need to substitute the expression equivalent to x from the first equation into the second equation.

To find the new equation, we can follow these steps:

Start with the first equation: x + 4y = -9.

Solve the first equation for x: x = -9 - 4y.

Substitute the expression (-9 - 4y) for x in the second equation: 2x - 5y = -6 becomes 2(-9 - 4y) - 5y = -6.

Simplify the equation by performing the multiplication: -18 - 8y - 5y = -6.

Combine like terms: -18 - 13y = -6.

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The first side of a triangle measures 5 in. less than the second side, the third side is 3 in. more than the first side, and the perimeter is 17 in. Set up an equation that relates the sides of the triangles in terms of the perimeter of the triangle.

Answers

All the sides of the triangles in terms of the perimeter of the triangle are,

The value of second side = 3.33 in.

The value of first side = 1.67 in.

And, The value of third side = 1.33 in.

We have,

The first side of a triangle measures 5 in. less than the second side, the third side is 3 in. more than the first side, and the perimeter is 17 in.

Let us assume that,

The value of second side = x

Hence, The value of first side = x - 5

And, The value of third side = 3 + (x - 5) = x - 2

So, We get;

x + (x - 5) + (x - 2) = 17

3x - 7 = 17

3x = 17 - 7

x = 10/3

x = 3.33

Therefore, All the sides of the triangles in terms of the perimeter of the triangle are,

The value of second side = 3.33 in.

Hence, The value of first side = 3.33 - 5 = 1.67 in.

And, The value of third side = 3 + (x - 5) = 3.33 - 2 = 1.33 in.

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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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Write a simplified equivalent expression for the SUM. (5x – 2) + (2x + 9)

Answers

The simplified equivalent expression for the sum (5x – 2) + (2x + 9) is 7x + 7.

This can be obtained by combining like terms, which involves adding the coefficients of x and the constant terms separately.

In the given expression, we have (5x – 2) and (2x + 9). To simplify, we can add the coefficients of x together: 5x + 2x = 7x. Similarly, we can add the constant terms: -2 + 9 = 7. Therefore, the simplified expression becomes 7x + 7, where 7x represents the combined coefficient of x and 7 represents the combined constant term.

Overall, by combining like terms, we obtain the simplified equivalent expression of the sum (5x – 2) + (2x + 9) as 7x + 7.


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On a map, the scale is 2 inches = 7 miles. What is the actual distance between the two cities if the map distance is 3 inches?
Please help

Answers

The actual distance between the two cities is 10.5 miles

How to calculate the actual distance between the two cities

From the question, we have the following parameters that can be used in our computation:

Scale: 2 inches = 7 miles

Given that

Map distance = 3 inches

using the above as a guide, we have the following:

1.5 * 2 inches = 7 miles * 1.5

Evaluate the products

3 inches = 10.5 miles

Hence, the actual distance between the two cities is 10.5 miles

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If f(x)=x-1/3 and g(x)=3x+1 what is (f times g)(x)?

3x+1

x-3

3x

x

Answers

The expression (f times g)(x) represents the product of the functions f(x) and g(x). In this case, f(x) = x - 1/3 and g(x) = 3x + 1. To find the product, we substitute g(x) into f(x) and simplify the expression.

When we substitute g(x) into f(x), we get:

(f times g)(x) = f(g(x)) = f(3x + 1)

Now, substituting the expression for f(x) into f(g(x)), we have:

f(g(x)) = (3x + 1) - 1/3

Simplifying further, we combine like terms:

= 3x + 1 - 1/3

Thus, the product of f(x) and g(x), (f times g)(x), simplifies to:

(f times g)(x) = 3x + 1 - 1/3

(f times g)(x) equals 3x + 1 - 1/3.

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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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A ship’s sonar detects a submarine 880 feet below a point on the ocean’s surface 1450 ft dead ahead of the ship. To the nearest degree, find the angle x. A right triangle. Angle x is opposite to side with length 880 feet. Another side is 1450 feet. The hypotenuse is not labeled. A. 59º b. 37º c. 31º d. 53º.

Answers

The measure of the angle x is 59 degrees. Option A

How to determine the values

The different trigonometric identities are listed as;

sinecosinetangentcotangentsecantcosecant

From the information given, we have that;

The measure of the adjacent is 880 feet

The opposite side is the ocean's surface = 1450 feet

The angle is x

Using the tangent identity, we have;

tan θ = opposite/adjacent

Now, we have to substitute the values, we get;

tan x = 1450/880

Divide the values, we get;

tan x = 1. 6477

Take the tangent inverse, we get;

x = 59 degrees

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Select at least two digital communication strategies you can control to protect yourself. Explain why you chose them and how they can safeguard you if you feel like someone is trying to cause you harm.

Answers

Two digital communication strategies you can control to protect yourself are:

1. **Strong Passwords**: One of the most effective ways to safeguard your digital communication is by using strong, unique passwords for your online accounts. A strong password should be a combination of upper and lowercase letters, numbers, and special characters. By using strong passwords and regularly updating them, you can prevent unauthorized access to your accounts. This can safeguard you if someone is trying to cause harm by attempting to gain unauthorized access to your personal information or accounts.

2. **Two-Factor Authentication (2FA)**: Enabling two-factor authentication adds an extra layer of security to your digital communication. With 2FA, you need to provide a second form of verification, such as a unique code sent to your mobile device, in addition to your password, to access your accounts. This can protect you if someone manages to obtain your password, as they would still need the second factor to gain access. 2FA makes it significantly harder for malicious individuals to compromise your accounts, providing an added safeguard against potential harm.

By implementing strong passwords and enabling two-factor authentication, you enhance the security of your digital communication and reduce the risk of unauthorized access and potential harm. These strategies provide an additional barrier against malicious activities and help ensure the confidentiality and integrity of your personal information and online accounts.

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Terrence is recording what kind of shoes people are wearing at the mall. Out of the 20 people he has seen, 2 are wearing sneakers. What is the experimental probability that the next person Terrence sees will be wearing sneakers?

Answers

Terrence saw, and out of those, only two people were wearing sneakers. Therefore, the probability of the next person Terrence sees wearing sneakers is 2/20 or 0.1 or 10%.

The experimental probability of an event happening is the ratio of the number of times the event occurs to the number of trials, i.e., the number of opportunities for the event to happen.Here, Terrence recorded what kind of shoes people are wearing at the mall.

He found out that 2 out of the 20 people he has seen are wearing sneakers. We can determine the experimental probability of the next person Terrence sees wearing sneakers with this information.The experimental probability that the next person Terrence sees will be wearing sneakers can be calculated as follows:Probability of seeing the next person wearing sneakers = Number of people wearing sneakers / Total number of people seen= 2/20

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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.

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?

5. If two angles


are not adjacent, then they do not form


a linear pair.



Converse statement



inverses statement



Contrapositive statement



conditional statement

Answers

The given statement describes a relationship between two angles that are not adjacent, stating that they do not form a linear pair. The different types of logical statementsstatements from this statement are the converse statement, inverse statement, contrapositive statement, and conditional statement.

Converse statement: The converse of a conditional statement switches the hypothesis and the conclusion. In this case, the converse statement would be: If two angles do not form a linear pair, then they are not adjacent.
Inverse statement: The inverse of a conditional statement negates both the hypothesis and the conclusion. The inverse statement would be: If two angles are adjacent, then they form a linear pair.
Contrapositive statement: The contrapositive of a conditional statement switches and negates both the hypothesis and the conclusion. The contrapositive statement would be: If two angles form a linear pair, then they are adjacent.
Conditional statement: The original statement itself is the conditional statement. It follows the form: If two angles are not adjacent, then they do not form a linear pair.
These different logical statements provide alternative ways to express the relationship between angles that are not adjacent and their formation of a linear pair.

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Underline the prepositional phrases


i) I was proven innocent by virtue of the law.


ii) Don’t leave without your coat

Answers

i) I was proven innocent by virtue of the law.

ii) Don’t leave without your coat.

In sentence (i), the prepositional phrase "by virtue of" introduces the reason or cause for being proven innocent. It indicates that the law is the basis or foundation for the proof.

In sentence (ii), the prepositional phrase "without your coat" indicates the absence or lack of something. It specifies that the action of leaving should not occur unless the person has their coat with them.

Prepositional phrases consist of a preposition (such as "by," "of," or "without") followed by a noun or pronoun object. They provide additional information about location, time, manner, or other relationships in a sentence. Recognizing and understanding prepositional phrases helps in comprehending the structure and meaning of sentences.

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What is the greatest common factor of 24s3, 12s4, and 18s?


3

6

3s

6s

Mark this and return

Answers

The greatest common factor (GCF) of the given expressions 24s^3, 12s^4, and 18s is 6s.

To find the GCF, we need to identify the highest power of each variable (s) that appears in all the expressions. In this case, the highest power of s that appears in all the expressions is s^3.Next, we consider the numerical coefficients. The GCF of the numerical coefficients 24, 12, and 18 is 6.

Finally, we combine the GCF of the numerical coefficients (6) with the highest power of the variable (s^3) to obtain the GCF of the entire expressions, which is 6s^3.Therefore, the greatest common factor of 24s^3, 12s^4, and 18s is 6s^3.

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Lucy puts a lamp into a box. The arrow shows how tall the lamp is. The box is 6 cm taller than the lamp. How tall is the box to the nearest division? Use the correct unit

Answers

The height of the box is approximately equal to the height of the lamp shown by the arrow plus 6 cm.

To find the height of the box, we need to add the additional height of 6 cm to the height of the lamp.

Since the exact height of the lamp is not provided, we'll consider the height indicated by the arrow as the height of the lamp.

To determine the height of the box, we add 6 cm to the height of the lamp shown by the arrow.

Therefore, the height of the box is approximately equal to the height of the lamp shown by the arrow plus 6 cm.

Please provide the height indicated by the arrow, and I will calculate the total height of the box to the nearest division using the correct unit.

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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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(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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The area of a rectangle is 400 square inches and its length is 4 times its width how many inches wide is the rectangle

Answers

The width of the rectangle is 10 inches, as it is calculated by finding the square root of the ratio of the area to the length.

Let's denote the width of the rectangle as "w" inches. According to the given information, the length of the rectangle is 4 times its width, so the length can be expressed as "4w" inches.

The formula for the area of a rectangle is length multiplied by width. In this case, the area is 400 square inches, so we have the equation:

Area = Length × Width

400 = (4w) × w

400 = 4w^2

To find the width, we can rearrange the equation and solve for "w":

4w^2 = 400

w^2 = 100

w = √100

w = 10

Therefore, the width of the rectangle is 10 inches. This means that the length of the rectangle is 4 times the width, which is 40 inches.

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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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Select a value to tell how each pair of angles is related.

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The value to determine the relationship between each pair of angles is their sum. we can determine whether they are complementary (90 degrees), supplementary (180 degrees), or explementary (360 degrees), which helps us understand their relationship and properties.

To determine the relationship between two angles, we can consider their sum. If the sum of two angles is equal to 90 degrees, they are complementary angles. Complementary angles are pairs of angles that, when added together, result in a right angle. For example, if Angle A measures 40 degrees and Angle B measures 50 degrees, their sum is 90 degrees, so they are complementary angles.

If the sum of two angles is equal to 180 degrees, they are supplementary angles. Supplementary angles are pairs of angles that, when added together, result in a straight angle. For instance, if Angle C measures 120 degrees and Angle D measures 60 degrees, their sum is 180 degrees, so they are supplementary angles.

On the other hand, if the sum of two angles is equal to 360 degrees, they are explementary angles. Explementary angles are pairs of angles that, when added together, result in a complete revolution or a full circle. For example, if Angle E measures 120 degrees and Angle F measures 240 degrees, their sum is 360 degrees, so they are explementary angles.

By considering the sum of the angles, we can determine whether they are complementary (90 degrees), supplementary (180 degrees), or explementary (360 degrees), which helps us understand their relationship and properties.

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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?

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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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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?

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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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