A real estate agent earns a 6% commission for the sale of a home. A home sold for $350,000. What was the commission earned by the agent?.
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explanation: see attached picture
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How can standard deviations and means help you to describe the results of a simulation? What are the important things to consider when calculating these measures? What does it mean if a data set has a very small standard deviation? What does it mean if the set has a very large standard deviation?
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Standard deviations and means are important in describing the results of a simulation. The mean represents the average value of the data, while the standard deviation measures the spread or variability around the mean.
Key considerations when calculating these measures include:
1. Sample size: Larger sample sizes provide more reliable estimates.
2. Data quality: Ensure accurate and unbiased data.
3. Distribution assumptions: Assess if the data follows a normal distribution.
4. Outliers: Identify and handle extreme values appropriately.
A small standard deviation indicates less variability and greater precision in the simulation results. A large standard deviation suggests more variability and potential uncertainty.
In summary, standard deviations and means help describe the spread and average of simulation results. Consider sample size, data quality, distribution assumptions, and outliers. A small standard deviation signifies less variability, while a large standard deviation implies greater variability.
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If you construct a line perpendicular to line A, given by y=22, through S (1,5), not on line y=22, find the distance from S to line A
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To find the distance from point to line,which is a horizontal line, we can calculate the vertical difference between the y-coordinate of S and the y-coordinate of any point on line A. The distance from S to line A is 17 units.
Since line A is a horizontal line given by y = 22, the y-coordinate of any point on this line remains constant at 22. To find the distance from S (1, 5) to line A, we need to calculate the vertical difference between the y-coordinate of S and the y-coordinate of any point on line A.
The y-coordinate of S is 5, and the y-coordinate of any point on line A is 22. Therefore, the vertical difference is |5 - 22| = 17 units.
Hence, the distance from point S (1, 5) to line A (y = 22) is 17 units.
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A store marks down the price of a necklace from $389. 85 to $314. 15. By what percent did the price decrease? Round to two decimal places. A. 13. 21% b. 15. 75% c. 19. 42% d. 24. 10%.
Answers
we find that the price decreased by 19.42%. Therefore, the answer is C. 19.42%.
To determine the percentage decrease in price, we can use the formula:Percentage decrease = ((Initial price - Final price) / Initial price) * 100.In this case, the initial price is $389.85, and the final price is $314.15. Plugging these values into the formula, we can calculate the percentage decrease:
Percentage decrease = ((389.85 - 314.15) / 389.85) * 100
Calculating the expression inside the parentheses, we have:
Percentage decrease = (75.70 / 389.85) * 100
Dividing the numerator by the denominator, we get:
Percentage decrease = 0.1942 * 100
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3 people weed in a field for 15 hours. Ask 5 people, how long does it take to weed the field?
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To determine how long it would take 5 people to weed the field, we can use the concept of person-hours. Since 3 people weed the field for 15 hours, they collectively contribute 3 * 15 = 45 person-hours.
If 3 people contribute 45 person-hours, we can set up a proportion to find out how many hours 5 people would take. Let's denote the unknown time as "x".
The proportion can be set up as follows:
3 people / 5 people = 45 hours / x hours
Cross-multiplying the proportion, we get:
3 * x = 5 * 45
Simplifying further:
3x = 225
Dividing both sides by 3:
x = 75
Therefore, it would take 5 people approximately 75 hours to weed the field.
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The function p = 0. 0089t^2+1. 1149t+78. 4491 models the united states population in millions since 1900. Use the function P to predict the year in which the population exceeds 1 billion.
a. 2165
b. 2156
c. 2457
d. 2378
Answers
Using the function p = 0.0089t^2 + 1.1149t + 78.4491, the United States population in millions, we can predict that the population will exceed 1 billion around the year 2156.
To predict the year in which the United States population exceeds 1 billion, we can set up the equation p = 0.0089t^2 + 1.1149t + 78.4491 and solve for t, representing the year. We need to find the value of t (time) when p (population) surpasses 1,000 (1 billion in millions).
0.0089t^2 + 1.1149t + 78.4491 > 1000
By rearranging the equation and solving for t, we can find the approximate year when the population exceeds 1 billion.
After performing the calculations, it is determined that the population is predicted to exceed 1 billion around the year 2156.
Therefore, the correct answer is option b) 2156.
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As 55 people left a fruit market they were asked if they had bought apples or bananas and clementines. the results were as follows. 29 bought apples, 34 bought bananas. 15 bought apples and bananas, 16 bought appels and clementines, 17 bought bananas and clementines, 3 bought none of these fruit.Venn diagramcalculate the value of x
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To calculate the value of x in the Venn diagram, we need to consider the number of people who bought only apples, only bananas, only clementines, and combinations of these fruits.
Given the information provided, we know that 29 people bought apples, 34 people bought bananas, and 3 people bought none of these fruits. Let's denote the number of people who bought only apples as A, only bananas as B, only clementines as C, and the number of people who bought both apples and bananas as AB.
We can construct the following equations based on the information given:
A + AB + 16 = 29 (equation 1)
B + AB + 15 = 34 (equation 2)
C + AB + 17 = x (equation 3)
A + B + C + AB + 3 = 55 (equation 4)
Simplifying equations 1 and 2, we get:
A + AB = 13 (equation 5)
B + AB = 19 (equation 6)
From equations 5 and 6, we can subtract AB from both sides to find:
A = 13 - AB (equation 7)
B = 19 - AB (equation 8)
Substituting equations 7 and 8 into equation 4, we have:
(13 - AB) + (19 - AB) + C + AB + 3 = 55
Simplifying this equation, we get:
35 - AB + C = 55
Rearranging, we find:
C = 55 - 35 + AB
C = 20 + AB (equation 9)
Finally, substituting equations 7, 8, and 9 into equation 3, we have:
20 + AB + AB + 17 = x
Simplifying, we get:
2AB + 37 = x
Therefore, the value of x is 2AB + 37.
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Two siblings have savings accounts for the money that they are earning. The older sister started her account with $50, while her younger brother started his account with $80. She is adding $7 per week, while her brother saves an additional $5 per week.
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To calculate their savings after a certain number of weeks, we can use the given information to determine the total savings for each sibling. Total savings of the younger brother = $80 + $5n. Total savings of the older sister = $50 + $7n.
The older sister started her savings account with $50 and is adding $7 per week. The younger brother started his savings account with $80 and is adding $5 per week.
For the older sister, her initial savings is $50, and she adds $7 per week. After n weeks, her total savings can be calculated using the equation:
Total savings of the older sister = $50 + $7n.
For the younger brother, his initial savings is $80, and he adds $5 per week. After n weeks, his total savings can be calculated using the equation:
Total savings of the younger brother = $80 + $5n.
By substituting the value of n, we can determine the total savings for each sibling after a specific number of weeks.
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The head of the quality control department at a printing company would like to carry out an experiment to determine which of three different glues results in the greatest binding strength. Although they are not of interest in the current investigation, other factors thought to affect binding strength are the number of pages in the book and whether the book is being bound as a paperback or a hardback.
a. What is the response variable in this experiment?
b. What explanatory variable will determine the experimental conditions?
c. What two extraneous variables are mentioned in the problem description? Are there other extraneous variables that should be considered?
Answers
A) The response variable in this experiment is the binding strength. It is the variable that is being measured or observed to assess the impact of different glues.
B) The explanatory variable that will determine the experimental conditions is the type of glue. The three different glues being tested will be the different levels or treatments of this variable.
C) The two extraneous variables mentioned in the problem description are the number of pages in the book and whether the book is being bound as a paperback or a hardback. These variables are mentioned as factors that are not of interest in the current investigation but could potentially affect the binding strength.
Other extraneous variables that should be considered would depend on the specific circumstances and factors that might influence binding strength.
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Tess and Dan have $24. 00 each to spend at a book fair, where all students receive a 15% discount. They both want to purchase a copy of the same book, which normally sells for $24. 50 plus 10% sales tax. To check if she has enough to purchase the book, Tess takes 15% of $24. 50 and subtracts that amount from the normal price. She takes 10% of the discounted selling price and adds it back to find the purchase amount. Dan takes 85% of the normal purchase price and then computes 110% of the reduced price. Is Tess correct? Is Dan correct? Do they have enough money to purchase the book? Explain your answer using complete sentences, and show your work. HELP QUICK!!!
Answers
Tess is correct in her calculations, and they have enough money to purchase the book. The discounted price for the book is $20.83 after applying the 15% discount. Adding 10% sales tax to this amount gives a final purchase amount of $22.91. Since both Tess and Dan have $24.00 each, they have enough money to buy the book.
1. Tess correctly applies the 15% discount to the original price of $24.50, which gives a discounted price of $20.83. Then, she adds 10% of this discounted selling price back to find the final purchase amount. Calculating 10% of $20.83 gives $2.08, which when added to $20.83, results in a purchase amount of $22.91.
2. Dan's approach involves calculating 85% of the original price, which gives $20.83 (same as the discounted price Tess found). Then, he computes 110% of this reduced price to account for the 10% sales tax. Calculating 110% of $20.83 gives $22.91, which matches the final purchase amount calculated by Tess.
3. Since both Tess and Dan have $24.00 each to spend, and the purchase amount is $22.91, they have enough money to buy the book.
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A rally car race course covers 515. 97 miles. The winning car completed the course in 6. 5 hours. What was the average speed of the winning car
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The average speed gives us an indication of how fast the winning car was able to cover the race course on average. The average speed of the winning car in the rally car race was approximately 79.38 miles per hour.
To calculate the average speed of the winning car, we divide the total distance covered (515.97 miles) by the time taken to complete the course (6.5 hours).
Average speed = Total distance / Time taken
Average speed = 515.97 miles / 6.5 hours
Calculating the division, we find that the average speed is approximately 79.38 miles per hour.
The average speed gives us an indication of how fast the winning car was able to cover the race course on average. It is a measure of the car's performance and efficiency over the given time period.
In this case, the winning car had an average speed of 79.38 miles per hour, indicating a relatively fast and efficient performance throughout the race.
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Solve the problem using a system of equations. Use substitution or Elimination.1. 14x+17y=99
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This simplifies to: 42x + 51y = 297. We now have a new equation in terms of y. To solve for y, we need another equation. If you have another equation, please provide it, and we can continue solving the system of equations.
To solve the system of equations represented by 14x + 17y = 99, we can use either substitution or elimination methods. In this case, let's use the elimination method.
To use the elimination method, we need to manipulate the equations to eliminate one variable. In this case, we can eliminate the variable x by multiplying the first equation by 17 and the second equation by 14, resulting in:
(17)(14x + 17y) = (17)(99)
(14)(14x + 17y) = (14)(99)
Simplifying these equations gives us:
238x + 289y = 1683
196x + 238y = 1386
Now, we can subtract the second equation from the first equation to eliminate x:
(238x + 289y) - (196x + 238y) = 1683 - 1386
This simplifies to: 42x + 51y = 297
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Write the equation of the line that passes through the coordinates 30,9 and 25,5. Point Slope Form
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The equation of the line that passes through the coordinates (30,9) and (25,5) in point-slope form is y - 9 = (5-9)/(25-30)(x - 30).
To find the equation of a line in point-slope form, we need to know the coordinates of a point on the line and the slope of the line.
Given the coordinates (30,9) and (25,5), we can find the slope of the line using the formula: slope (m) = (y2 - y1)/(x2 - x1), where (x1, y1) and (x2, y2) are the coordinates of the two points.
Using the coordinates (30,9) and (25,5), we substitute the values into the slope formula:
m = (5 - 9)/(25 - 30)
m = -4/-5
m = 4/5
Now that we have the slope (m), we can use the point-slope form of the equation: y - y1 = m(x - x1).
Substituting the values of (x1, y1) = (30,9) and m = 4/5 into the equation, we get:
y - 9 = (4/5)(x - 30)
Simplifying the equation gives us the final result:
y - 9 = (4/5)x - 24
y = (4/5)x - 24 + 9
y = (4/5)x - 15
Therefore, the equation of the line that passes through the coordinates (30,9) and (25,5) in point-slope form is y - 9 = (5-9)/(25-30)(x - 30).
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Which of the following is a property of inferential statistics but not of descriptive statistics? Select all that apply.the collection of datathe number of variables studiedthe use of a graph to visualize the datathe use of a statistical test to determine the likelihood of a relationship between two or more characteristics of the group under studythe purpose of the study is often to find a possible cause-and-effect relationship
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The correct options are: The use of a statistical test to determine the likelihood of a relationship between two or more characteristics of the group under study. The purpose of the study is often to find a possible cause-and-effect relationship.
The properties of inferential statistics that are not typically associated with descriptive statistics are:
The use of a statistical test to determine the likelihood of a relationship between two or more characteristics of the group under study: Inferential statistics involves making inferences or drawing conclusions about a population based on a sample. Statistical tests are used to analyze the sample data and determine the likelihood of certain relationships or patterns occurring in the larger population. Descriptive statistics, on the other hand, focuses on summarizing and describing the observed data without making any generalizations to the larger population.
The purpose of the study is often to find a possible cause-and-effect relationship: Inferential statistics is commonly used in research studies that aim to establish causal relationships between variables. The statistical analysis helps researchers assess the significance of the relationship between variables and determine if there is evidence to support a cause-and-effect relationship. Descriptive statistics, on the other hand, primarily focuses on summarizing and describing data without making causal claims.
To summarize, inferential statistics involves using statistical tests to draw conclusions about a population and to determine the likelihood of relationships between variables. It is often used to investigate cause-and-effect relationships in research studies. Descriptive statistics, in contrast, is concerned with summarizing and describing data without making inferences to the larger population or establishing causal relationships.
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Rearrange the total expense equation to calculate the amount of variable expenses.
E = F + V
Enter the correct answer in the box.
Rearrange the total expense equation to calculate the amount of variable expenses.
E = F + V
Enter the correct answer in the box.
V=
Answers
The correct answer is V = E - F. This equation allows us to calculate the amount of variable expenses (V) by subtracting the fixed expenses (F) from the total expenses (E).
To rearrange the total expense equation E = F + V and calculate the amount of variable expenses (V), we need to isolate V on one side of the equation. By subtracting F from both sides, we can find the expression for V:
E - F = F + V - F
Simplifying further:
E - F = V
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Garrett found the slope of the values in the table: A 2-column table with 3 rows. Column 1 is labeled Years: x with entries 4, 8, 12. Column 2 is labeled Hourly rate: y with entries 12. 00, 13. 00, 14. 0. 1. Slope = StartFraction 12 minus 8 Over 14. 00 minus 13. 00 EndFraction. 2. Slope = StartFraction 4 Over 1. 00 EndFraction. 3. Slope = 4. Is Garrett’s slope correct? If not, identify his error? Yes. Garrett found the slope correctly. No. He should have put the x values in the denominator and the y values in the numerator. No. He should have gotten a negative answer for slope because the values are decreasing. No. He should have gotten the answer StartFraction 1 Over 25 EndFraction.
Answers
No, Garrett's slope is not correct. He should have put the x values in the denominator and the y values in the numerator.
Garrett made an error in calculating the slope. The slope represents the change in the dependent variable (y) per unit change in the independent variable (x). In this case, the independent variable is "Years" (x) and the dependent variable is "Hourly rate" (y).
To calculate the slope correctly, we need to divide the change in y by the change in x. Garrett incorrectly subtracted the x values from each other and the y values from each other, resulting in an incorrect calculation.
The correct calculation would be:
Slope = (13.00 - 12.00) / (8 - 4)
= 1.00 / 4
= 0.25
Therefore, the correct slope is 0.25 or StartFraction 1 Over 4 EndFraction.
Garrett's error was that he should have put the x values (4, 8, 12) in the denominator and the y values (12.00, 13.00, 14.00) in the numerator to calculate the slope correctly.
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if the total surface area of cube is 216cm 2 then find its volume
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To find the volume of a cube given its total surface area, we can use the formula for the surface area of a cube and then solve for the volume. The formula for the surface area of a cube is 6s^2, where s represents the length of the side of the cube.
By equating this formula to the given surface area value of 216 cm^2, we can solve for the side length. Once we have the side length, we can then calculate the volume using the formula V = s^3.
Let's assume that the side length of the cube is represented by "s". The formula for the surface area of a cube is 6s^2. Given that the total surface area is 216 cm^2, we can set up the equation 6s^2 = 216. Solving this equation for "s", we find s^2 = 36. Taking the square root of both sides, we get s = 6. Now that we know the side length of the cube is 6 cm, we can calculate the volume using the formula V = s^3. Plugging in the value of s, we find V = 6^3 = 216 cm^3. Therefore, the volume of the cube is 216 cm^3.
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The circumstances of the region watered by the sprinklers is equal toA. None of the aboveB 87.92 ftC 8.792 ftD 6.28 ft
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To provide a comprehensive explanation about the circumstances of the region watered by sprinklers, let's discuss some relevant factors that can influence the extent and coverage of water distribution.
Sprinkler Type and Design: Different types of sprinklers have varying spray patterns and distribution capabilities. Factors such as nozzle size, rotation speed, and spray angle can affect the distance and coverage area of water dispersion. Sprinklers can be designed for specific applications, including fixed, rotating, or oscillating patterns. Water Pressure: The water pressure supplied to the sprinkler system plays a crucial role in determining the coverage area. Higher water pressure can result in increased spray distance and wider coverage, while lower pressure may restrict the reach of the sprinklers. Sprinkler Spacing and Layout: The arrangement of sprinklers within the irrigated area affects the overall coverage. Proper spacing ensures adequate overlap between adjacent sprinklers, minimizing dry spots and achieving uniform water distribution. Wind Conditions: Wind speed and direction can impact the efficiency of sprinkler systems. Strong winds can cause water drift and uneven distribution, leading to areas with insufficient water coverage.
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A beverage company sells juice in all the major restaurants. It costs the beverage company $0.75 to make each bottle of juice. The company uses a 35% markup. What is the selling price of the juice?
Answers
The selling price of juice that costs a beverage company $0.75 to make with a 35% markup is $1.01.
What is markup?
Markup is the difference between the cost of a product or service and its selling price.
The cost of a product is the amount spent on making or buying the product.
The selling price is the amount for which the product is sold.
Therefore, when a company wants to make a profit, it applies a markup to the cost of the product to determine the selling price.
The markup represents the amount of money a company adds to the cost of a product to make a profit.
Here's how to solve the problem:
A beverage company sells juice in all the major restaurants. It costs the beverage company $0.75 to make each bottle of juice. The company uses a 35% markup. What is the selling price of the juice?
Markup = 35% of the cost
Price = cost + markup
Step 1: Find the markup
Markup = 35% of 0.75
Markup = 0.35 x 0.75
Markup = 0.26
Step 2: Find the selling price
Price = cost + markup
Price = 0.75 + 0.26
Price = 1.01
The selling price of juice that costs a beverage company $0.75 to make with a 35% markup is 1.01.
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Each morning Eric makes 50 cinnamon bagels for his customers at barneys bagels because of a recent increase in popularity of cinnamon bagels he has increase the number he backs each morning 58% how many cinnamon bagels does Eric bake each day?
Answers
Eric bakes 79 cinnamon bagels each day at Barney's Bagels, resulting from a 58% increase in the number he previously made.
Originally, Eric made 50 cinnamon bagels each morning. However, due to the increased demand and popularity of cinnamon bagels, he decided to increase his production. The increase is given as 58%, which means he is now baking 58% more bagels than before.
To calculate the new number of cinnamon bagels, we need to find 58% of 50 and add it to the original quantity.
58% of 50 can be calculated by multiplying 50 by 0.58:
58% × 50 = (58/100) × 50 = 0.58 × 50 = 29.
Now, adding the increase to the original quantity:
50 + 29 = 79.
Therefore, Eric now bakes 79 cinnamon bagels each day at Barney's Bagels, reflecting a 58% increase from his previous production.
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3. An airplane is traveling at a speed of 450 miles per hour in the direction of N 54° W. While flying, the airplane hits wind traveling with a velocity of 55 miles per hour in the direction of S 70° W. Find the magnitude and direction (as a true bearing) of the resultant force.
Answers
The resultant force magnitude is approximately 448.6 miles per hour, with a true bearing of N 47° W.
To find the resultant force, we need to calculate the vector sum of the airplane's velocity and the wind velocity. We can break down both velocities into their horizontal and vertical components.
The airplane's velocity has a horizontal component of 450 * cos(54°) and a vertical component of 450 * sin(54°). Similarly, the wind velocity has a horizontal component of 55 * cos(70°) and a vertical component of 55 * sin(70°). Adding the horizontal and vertical components separately, we find the resultant horizontal and vertical velocities.
Finally, we use these components to calculate the magnitude of the resultant force using the Pythagorean theorem and the direction using the inverse tangent function.
The resultant force has a magnitude of approximately 448.6 miles per hour and a true bearing of N 47° W.
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The value of a painting when purchased was represented by V. If over a three year period the painting increased in value by 33%, which expression represents the current value of the painting?
Answers
The painting has increased in value by 33% over a three-year period. To determine the current value of the painting, an expression can be utilized. The following expression represents the current value of the painting: V + 0.33V = (1 + 0.33)V = 1.33VWhere V represents the initial value of the painting.
An expression can be utilized to represent the current value of a painting that has increased in value by 33% over a three-year period. The initial value of the painting is represented by the letter V, which is included in the expression. The 33% increase is represented by 0.33 V. To determine the current value of the painting, the expression must be evaluated. The expression V + 0.33V can be simplified by combining the two terms. This results in (1 + 0.33) V. The value of 1 represents the initial value of the painting, and 0.33 represents the 33% increase in value. To determine the current value of the painting, this expression can be multiplied. Multiplying 1.33 by the initial value of the painting, which is represented by V, yields the following expression: 1.33VThis expression represents the current value of the painting, which has increased in value by 33% over a three-year period. The value of the painting is now 1.33 times its initial value. Therefore, the painting has increased in value by 33%.
The current value of the painting can be determined by using an expression. This expression includes the initial value of the painting and the 33% increase in value that has occurred over a three-year period. The expression can be simplified and multiplied to determine the current value of the painting, which is represented by 1.33 V.
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The Red Door Escape Room is a fully
immersive game where you are locked in
a room and have only 60 minutes to solve
cryptic games and puzzles to be able to
escape. They charge $28 per person.
Write a linear equation to model this
situation.
Answers
A linear equation that models the situation at the Red Door Escape Room, where participants are charged $28 per person for a fully immersive game, can be expressed as y = 28x, where y represents the total cost and x represents the number of participants.
To model the situation mathematically, we can use a linear equation, which represents a straight line on a graph. In this case, the equation y = 28x can be used, where y represents the total cost and x represents the number of participants.
In the equation, the coefficient 28 represents the cost per person. By multiplying the number of participants, x, by this coefficient, we can determine the total cost, y. This linear equation assumes a constant rate of $28 per person and does not take into account any additional fees or discounts.
For example, if there are 4 participants, we can substitute x with 4 in the equation: y = 28 * 4 = 112. This means that the total cost for 4 participants would be $112. Similarly, if there are 6 participants, the total cost would be $168 (28 * 6).
By using this linear equation, the Red Door Escape Room can calculate the total cost based on the number of participants, allowing them to effectively manage their pricing structure and revenue.
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find the length of this rectangle in pythagoras theorem give your anser to 1 seciam place the lengths i got were 16cm and 9cm
Answers
We have a rectangle where the lengths are 16 cm and 9 cm. Using the Pythagorean theorem, we can find the length of this rectangle. The Pythagorean theorem states that the square of the hypotenuse
Therefore, if we consider the rectangle as a right-angled triangle with one side as its length, the other side as its breadth, and the hypotenuse as its diagonal, we can find the length of the rectangle using the theorem. Using Pythagoras theorem, we have:
$a^2+b^2
=c^2$ Where:
a = 9 cm,
b = 16 cm, and
c = the diagonal or length of the rectangle.
So, substituting these values, we get:$$\begin{aligned}
9^2 + 16^2 &= c^2 \\ 81 + 256 &
= c^2 \\ 337 &
= c^2 \end{aligned} $$Taking the square root on both sides, we get:$$\begin{aligned}
c &= \sqrt{337} \\ &
= 18.3576... \end{aligned} $$Rounding off the result to 1 decimal place, we get the length of the rectangle to be 18.4 cm. Therefore, the length of this rectangle using Pythagoras Theorem is 18.4 cm (rounded off to 1 decimal place).
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Alexa bought 5 boxes of greeting cards, 4 rolls of orange wrapping paper, and 6 rolls of brown wrapping paper. There were 14 meters of wrapping paper on each roll. How many meters of wrapping paper did Alexa buy in all?
Answers
The number of meters of wrapping paper that Alexa bought in all would be 140 meters.
How to find the number of meters ?To calculate the total number of meters of wrapping paper that Alexa bought, we need to find the sum of the lengths of the rolls of orange and brown wrapping paper.
For the orange wrapping paper:
Length of orange wrapping paper = 4 rolls x 14 meters/roll
= 56 meters
For the brown wrapping paper:
Length of brown wrapping paper = 6 rolls x 14 meters/roll
= 84 meters
Total length of wrapping paper = Length of orange wrapping paper + Length of brown wrapping paper
= 56 meters + 84 meters
= 140 meters
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Asha by 60 fruit baskets. 25% of the fruit baskets have 12 pieces of fruit in each basket. The remaining 75% of the baskets have 15 pieces of fruit in each basket
Answers
Asha has a total of 180 + 675 = 855 pieces of fruit in the 60 fruit baskets she bought.Asha bought 60 fruit baskets. Let's calculate the number of fruit baskets in each category:
25% of 60 = (25/100) * 60 = 15 fruit baskets
These 15 fruit baskets have 12 pieces of fruit in each basket.
75% of 60 = (75/100) * 60 = 45 fruit baskets
These 45 fruit baskets have 15 pieces of fruit in each basket.
To find the total number of fruit in each category, we multiply the number of fruit baskets by the number of fruit in each basket:
For the 15 baskets with 12 pieces of fruit: 15 * 12 = 180 fruits.
For the 45 baskets with 15 pieces of fruit: 45 * 15 = 675 fruits.
Therefore, Asha has a total of 180 + 675 = 855 pieces of fruit in the 60 fruit baskets she bought.
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Sansa was explaining the meaning and usefulness of the statement tan 40° ≈ 0. 84. Which
true statements below could be part of that explanation? Select all that apply.
o All right triangles with an acute angle of 40° are similar to each other.
o The sum of the squares of the legs of right triangles with a 40° angle equal 40".
o Knowing that tan 40° ≈ 0. 84 is enough information to calculate the sides of any 40°-
50°-90° triangle.
o If you know tan 40° ≈ 0. 84 and the length of the leg opposite to the 40° angle, then
you can calculate the length of the other leg.
o The ratio of the opposite side to the hypotenuse in any right triangle with an angle of
40° is always approximately 0. 84
Answers
The true statements that could be part of the explanation of the statement "tan 40° ≈ 0.84" are: All right triangles with an acute angle of 40° are similar to each other. If you know tan 40° ≈ 0.84 and the length of the leg opposite to the 40° angle, then you can calculate the length of the other leg. The ratio of the opposite side to the hypotenuse in any right triangle with an angle of 40° is always approximately 0.84
In a right triangle, the tangent of an acute angle is defined as the ratio of the opposite side and the adjacent side of that angle. Mathematically, for an acute angle A, tan(A) = opposite/adjacent. In the current case, we are discussing tan 40°. So, if the angle A in a right triangle is 40°, and if the opposite side to that angle is x and the adjacent side is y, then tan 40° = x/y .If we know the value of tan 40°, then we can calculate the value of x/y or y/x .In the following true statements, we will discuss how we can use tan 40° to make some conclusions: The ratio of the opposite side to the hypotenuse in any right triangle with an angle of 40° is always approximately 0.84This statement is true. This is based on the definition of tangent. tan 40° = opposite/adjacent. In a right triangle with an angle of 40°, the hypotenuse is neither the opposite side nor the adjacent side. But, we can write the above equation as opposite/hypotenuse = tan 40°/1. So, the ratio of the opposite side to the hypotenuse in any right triangle with an angle of 40° is always approximately 0.84.
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Find the hight of the cylinder whose volume is 440cm3 and diameter is 4cm
Answers
The height of a cylinder with a volume of 440 cm³ and a diameter of 4 cm can be found using the formula for the volume of a cylinder and the relationship between the diameter and radius. The simplified expression of (a + 2b)(a^2 - 2ab - 4b^2) is a^3 - 6a^2b - 2ab^2 - 8b^3.
1. We are given the volume of the cylinder as 440 cm³ and the diameter as 4 cm.
2. The formula for the volume of a cylinder is V = πr²h, where V represents the volume, r represents the radius, and h represents the height.
3. To find the height, we need to determine the radius of the cylinder.
4. The diameter is given as 4 cm, and since the radius is half the diameter, the radius would be 2 cm (4 cm ÷ 2).
5. Substituting the known values into the volume formula, we have 440 cm³ = π(2 cm)²h.
6. Simplifying further, we get 440 cm³ = 4π cm²h.
7. Dividing both sides of the equation by 4π cm², we have h = 440 cm³ ÷ (4π cm²).
8. Using a calculator, we can evaluate the right side of the equation to get the numerical value of h.
h ≈ 440 cm³ ÷ (4 * 3.14 cm²) ≈ 34.91 cm.
9. Therefore, the height of the cylinder with a volume of 440 cm³ and a diameter of 4 cm is approximately 34.91 cm.
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Which mixed number is equal to 4 7/5?9 2/54 7/55 2/97 4/5
Answers
The mixed-number that is equal to 4 7/5 is 4 7/5 itself. The correct option is B) 4 7/5, using conversion into improper-fraction & vice-versa.
To convert the mixed number 4 7/5 into an improper fraction,
we will multiply the denominator by the whole number and add the numerator. 4 × 5 + 7 = 27.
Thus, 4 7/5 as an improper fraction is 27/5.
Now, we have to convert the given mixed numbers into improper fractions one by one, and then
compare it to 27/5 , is the fraction equivalent to 4 7/5.
Let's do it:
Option A:9 2/5 = 47/5
Divide 47 by 5 and we get 9 with a remainder of 2.
Thus, 9 2/5 = 47/5 which is not equal to 27/5.
Option B:4 7/5 = 27/5
As we know 4 7/5 as an improper fraction is 27/5, and it matches our answer with the given mixed number.
Option C:5 2/9 = 47/9
Divide 47 by 9 and we get 5 with a remainder of 2.
Thus, 5 2/9 = 47/9 which is not equal to 27/5.
Option D:4/5 = 0.8
Clearly, 0.8 is not equal to 27/5.
So, the mixed number that is equal to 4 7/5 is 4 7/5 itself. The correct option is B) 4 7/5.
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Michelle is scuba diving. Her position changes from −2. 1 m to -38. 6 in 6 1/4 min. What is the average change in Michelle’s position each minute?
Answers
To find the average change in Michelle's position each minute, we need to calculate the total change in her position and divide it by the total time elapsed.
The initial position is -2.1 m and the final position is -38.6 m, resulting in a total change of: Total change = Final position - Initial position = -38.6 m - (-2.1 m) = -38.6 m + 2.1 m = -36.5 m. The time elapsed is 6 1/4 minutes, which can be expressed as a mixed fraction or an improper fraction: Time elapsed = 6 1/4 minutes = 25/4 minutes. Now, we can calculate the average change in position per minute: Average change per minute = Total change / Time elapsed= (-36.5 m) / (25/4 min) = (-36.5 m) * (4/25 min) ≈ -5.84 m.
Therefore, the average change in Michelle's position each minute is approximately -5.84 meters.
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If a= (-2,-4) and B (-8,4) what is length of ab
Answers
Answer:
Length of ab = 10 units
Step-by-step explanation:
X1 = -2, X2 = -8
Y1 = -4, Y2 = 4
[tex]\sqrt{(x2 - x1)^{2} + (y2 - y1)^{2} } \\\sqrt{(-8 -(-2))^{2} + (4-(-4))^{2} } \\\sqrt{(-8+2)^{2} + (4+4)^{2} } \\\sqrt{6^{2} +8^{2}} \\\sqrt{36+64} \\\sqrt{100} \\10[/tex]
