Of the listed values are equal to the sine of B? Select ALL that apply.


All


3 ज


The cosine of B


The cosine of C


The cosine of (90° - B)


The sine of (90°- C)


words


English (U. S. )


Text Predictions: On


0

Answers

Answer 1

The values that are equal to the sine of angle B are: The cosine of (90° - B) , The sine of (90° - C) .The cosine of B and the cosine of C are not equal to the sine of B.

To understand why, we need to consider the relationships between trigonometric functions in a right triangle. In a right triangle, the sine of an angle is defined as the ratio of the length of the side opposite the angle to the length of the hypotenuse. The cosine of an angle is defined as the ratio of the length of the adjacent side to the length of the hypotenuse.

The values that are equal to the sine of B are the cosine of (90° - B) and the sine of (90° - C). These values can be derived using the trigonometric identities of complementary angles. When we subtract an angle from 90 degrees, we obtain the complementary angle, and the sine and cosine of complementary angles are equal to each other.

Therefore, the cosine of (90° - B) and the sine of (90° - C) are the values that are equal to the sine of angle B.

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Related Questions

A quarterback throws an incomplete pass. The height of the football at time t is modeled by the equation h(t) = –16t2 40t 7. Rounded to the nearest tenth, the solutions to the equation when h(t) = 0 feet are –0. 2 s and 2. 7 s. Which solution can be eliminated and why? The solution –0. 2 s can be eliminated because time cannot be a negative value. The solution –0. 2 s can be eliminated because the pass was not thrown backward. The solution 2. 7 s can be eliminated because the pass was thrown backward. The solution 2. 7 s can be eliminated because a ball cannot be in the air for that long due to gravity.

Answers

Based on the fact that time values cannot be negative, the value which can be eliminated is -0.2s. Hence, the correct option is A.

The time values given are -0.2s and 2.7s. Time values cannot be negative. Hence, 2.7s is a more reasonable solution for the value of Time in this scenario.

Also, passes Can be thrown in any direction around the field. Hence, passes could be thrown forward or backward as the case may be.

Therefore, the solution which could be eliminated is -0.2 seconds.

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Grantsville's governor received 3 times as many votes as Cary's governor. Cary's governor received 790 votes. How many people voted altogether?

Answers

The total number of people who voted altogether is 3160.

if cary's governor received 790 votes and grantsville's governor received three times as many votes, we can calculate the total number of votes cast by adding the votes received by both governors.

let's denote the number of votes received by grantsville's governor as g. since grantsville's governor received three times as many votes as cary's governor, we can express this as:

g = 3 * 790

calculating this:

g = 2370

so, grantsville's governor received 2370 votes.

to find the total number of votes, we add the votes received by both governors:

total votes = votes for cary's governor + votes for grantsville's governor

total votes = 790 + 2370

total votes = 3160

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Interpret the following exponential function: y = 6 (1. 07) Superscript x What is the growth/decay factor? What is the y-intercept? a. Decay factor is 6; y-intercept is 1. 07 b. Decay factor is 1. 07; y-intercept is 6 c. Growth factor is 6; y-intercept is 1. 07 d. Growth factor is 1. 07; y-intercept is 6.

Answers

The growth/decay factor of the given exponential function y = 6(1.07)^x is 1.07, and the y-intercept is 6.

In the exponential function y = 6(1.07)^x, the base of the exponential term is 1.07. Since the base is greater than 1, it represents a growth factor. This means that as x increases, the value of y will grow exponentially.

The coefficient 6 represents the initial value or y-intercept of the function. When x is equal to 0, the exponential term becomes 1, and multiplying it by 6 gives us the y-intercept of 6. This means that when x is 0, the value of y is 6.

Therefore, the correct answer is:

d. Growth factor is 1.07; y-intercept is 6.

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If f(x) = x2, g(x) = 5x, and h(x) = x + 4, find each value.[f ◦ (h ◦ g)](2)

Answers

To solve the given function: f(x) = x², g(x) = 5x, and h(x) = x + 4 for [f ◦ (h ◦ g)](2), we have to calculate for the following steps:

To find [h ◦ g](x), we substitute g(x) into h(x) as follows:

h(g(x)) = g(x) + 4

Substitute g(x) with 5x, we get:

h(g(x)) = 5x + 4

Therefore, [h ◦ g](x) = 5x + 4

To find [f ◦ (h ◦ g)](x), we substitute [h ◦ g](x) into f(x) as follows:

f(h(g(x))) = [h(g(x))]²

Substitute [h ◦ g](x) with 5x + 4, we get:

f(h(g(x))) = [5x + 4]²= (5x + 4)(5x + 4)= 25x² + 40x + 16

Therefore, [f ◦ (h ◦ g)](x) = 25x² + 40x + 16

The final step is to find [f ◦ (h ◦ g)](2). Substitute x = 2, we get:

[f ◦ (h ◦ g)](2)= 25(2)² + 40(2) + 16= 100 + 80 + 16= 196

Hence, we have found that [f ◦ (h ◦ g)](2) = 196.

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Reread pages 240-242. Which of Carol's thoughts and actions show she is naturally curious?
The story called Mr. Linden's Library​

Answers

In the story "Mr. Linden's Library," Carol's curiosity is evident as she eagerly explores the library, wonders about its contents, and immerses herself in books, showcasing her natural thirst for knowledge.



In the story "Mr. Linden's Library," Carol exhibits several thoughts and actions that demonstrate her natural curiosity. On pages 240-242, the following instances highlight her inquisitive nature:

1. Carol's initial interest: When Carol first hears about Mr. Linden's library, she becomes immediately curious and eager to explore it. Her excitement indicates her natural curiosity and desire for new knowledge.

2. Wondering about the library's contents: As Carol enters the library, she starts imagining what books might be present. She wonders about the possibilities and what mysteries the library might hold. This demonstrates her inquisitive mind, always seeking answers and new experiences.

3. Actively exploring the library: While inside, Carol actively explores the library, examining different shelves and titles. She is genuinely interested in the books and artifacts, indicating her natural curiosity and desire to discover and learn.

4. Delving into books: Carol dives into a book on Greek mythology and loses track of time, immersing herself in the fascinating stories. This action showcases her curiosity-driven passion for learning and her willingness to explore different subjects.

Overall, Carol's immediate interest, wondering about the library's contents, active exploration, and delving into books exemplify her natural curiosity throughout the mentioned pages of the story.

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Andrew needs to order a pool top covering for his above ground circular swimming pool. The swimming pool is 20 feet across. how large of a pool top does he need to order? round to the nearest tenth

Answers

Answer:

π(10²) = 100π = about 314.2 ft²

Is this statement true or false? p = 2 is a solution to p−5<20 plsssss help it a unit teast t or f

Answers

The statement is true. The value p = 2 is a solution to the inequality p - 5 < 20.

To determine if a given value is a solution to an inequality, we substitute that value into the inequality and check if it holds true. In this case, we substitute p = 2 into the inequality p - 5 < 20:

2 - 5 < 20

-3 < 20

Since -3 is indeed less than 20, the inequality holds true when p = 2. Therefore, p = 2 is a valid solution to the inequality p - 5 < 20.

It is important to note that there may be other values of p that also satisfy the inequality. However, the question specifically asks if p = 2 is a solution, and based on the substitution and evaluation, it is true that p = 2 satisfies the inequality.

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Write down the coordinates of the points where the line 10x ------ 8y = 40 cuts the x- and y-axes

Answers

Answer:

Step-by-step explanation:

To find the coordinates of the points where the line 10x - 8y = 40 intersects the x- and y-axes, we can set one of the variables to zero and solve for the other variable.

For the x-intercept (where the line intersects the x-axis), we set y = 0 and solve for x:

10x - 8(0) = 40

10x = 40

x = 40/10

x = 4

Therefore, the x-intercept is (4, 0).

For the y-intercept (where the line intersects the y-axis), we set x = 0 and solve for y:

10(0) - 8y = 40

-8y = 40

y = 40/-8

y = -5

Therefore, the y-intercept is (0, -5).

In summary, the coordinates of the points where the line 10x - 8y = 40 intersects the x- and y-axes are:

x-intercept: (4, 0)

y-intercept: (0, -5)

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Michael and Layla stand 21. 2 meters apart. From Michael’s position, the angle of elevation to the top of the Eiffel Tower is 40°. From Layla’s position, the angle of elevation to the top of the Eiffel Tower is 38. 5°. How many meters high is the Eiffel Tower? Round your answer to the nearest meter

Answers

The height of the Eiffel Tower is approximately 290 meters. Michael and Layla are standing 21.2 meters apart, and from their respective positions, The height of the Eiffel Tower is approximately 290 meters.

To explain further, let's consider the triangle formed by the base of the Eiffel Tower, Michael's position, and the top of the tower. In this triangle, the angle of elevation from Michael's position is 40°, and the opposite side is the height of the tower. Similarly, in the triangle formed by the base of the tower, Layla's position, and the top of the tower, the angle of elevation from Layla's position is 38.5°, and the opposite side is also the height of the tower.

Using trigonometric ratios, we can set up the following equations:

For Michael's triangle:

tan(40°) = height of the tower / 21.2

For Layla's triangle:

tan(38.5°) = height of the tower / 21.2

By solving these equations, we find that the height of the Eiffel Tower is approximately 290 meters.

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A catapult launches a pumpkin from the base of a hill. The hill


follows an incline with the height in meters, y, in terms of


horizontal distance in meters, x, given by the equation


y= 0.8x. The height of the pumpkin, as it is launched uphill,


is given by the function h(x) = -0.3.02 + 3.8x


What is the height, in meters, where the pumpkin lands on the


hill? Round to the nearest whole number if necessary.

Answers

The height where the pumpkin lands on the hill is approximately 13 meters.

The height where the pumpkin lands on the hill, we need to determine the point where the height of the hill (y) equals the height of the pumpkin (h(x)).

1. Equate the two height functions: Setting the equations y = 0.8x and h(x) = -0.3x^2 + 3.8x equal to each other allows us to find the x-value where the heights are equal.

  0.8x = -0.3x^2 + 3.8x

2. Simplify the equation: Rearrange the equation to form a quadratic equation.

  0 = -0.3x^2 + 3x - 3.8x

  0 = -0.3x^2 - 0.8x

3. Solve for x: To find the x-value where the heights are equal, solve the quadratic equation. The solutions will give the points where the pumpkin lands on the hill.

  Using a quadratic solver or factoring, we find that x = 0 and x ≈ 13.33.

4. Determine the height: Substituting the x-value into either the hill equation or the pumpkin equation gives us the height.

  Using the hill equation, y = 0.8(13.33) ≈ 10.67.

Therefore, the height where the pumpkin lands on the hill is approximately 13 meters (rounded to the nearest whole number).

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Phylea has a bag with 30 fireballs and 24 Dreldy ranchers for a party she wants to repackage the candy into smaller bags in once each bag to have the same number of fireballs and Jolly ranchers

Answers

Phylea can repackage the candy into smaller bags, each containing 6 fireballs and 6 Jolly Ranchers.

To repackage the candy into smaller bags with an equal number of fireballs and Jolly Ranchers, we need to find the greatest common divisor (GCD) of 30 and 24. The GCD represents the largest number that divides both 30 and 24 evenly.

The prime factorization of 30 is 2 * 3 * 5, and the prime factorization of 24 is 2 * 2 * 2 * 3. To find the GCD, we take the common factors with the lowest exponent: 2 * 3 = 6.

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Jada saw a music video that her favorite artist recently posted online. The equation v(x) = 320•4 v represents the number of views v of the video, x days since Jada saw the video. A. Find v(2) or 2 days since Jada saw the video.

Answers

The number of views v of a music video posted by Jada's favorite artist can be represented by the equation v(x) = 320 * 4x, where x represents the number of days since Jada saw the video.

To find v(2), which represents 2 days since Jada saw the video, we substitute x = 2 into the equation. The calculation would be as follows: v(2) = 320 * 4^2 = 320 * 16 = 5,120. Therefore, after 2 days since Jada saw the video, the number of views would be 5,120. The equation v(x) = 320 * 4x represents the exponential growth of views over time. The base of the exponential function is 4, indicating that the views are multiplying by a factor of 4 every day. The exponent x represents the number of days since Jada saw the video, determining how many times the base is multiplied. By substituting x = 2 into the equation, we calculate 4^2 = 16, which when multiplied by the initial value of 320 gives us the result of 5,120 views after 2 days. This demonstrates the rapid growth in popularity of the music video.

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Anthony surveys a group of students at his school about whether they play a sport. This table shows the results broken down by gender. Are being a girl and playing sports independent events? Why or why not?

Answers

The table provided displays the results of Anthony's survey on whether students at his school play a sport, categorized by gender. The question at hand is whether being a girl and playing sports are independent events.

In order to determine if being a girl and playing sports are independent events, we need to understand the concept of independence in probability. Two events are considered independent if the occurrence of one event does not affect the probability of the other event happening.

Looking at the table, we can analyze the data for girls and boys separately. If the proportion of girls playing sports is consistent regardless of the total number of girls surveyed, then being a girl and playing sports can be considered independent events. However, if the proportion of girls playing sports varies depending on the total number of girls surveyed, then being a girl and playing sports are not independent events.

To determine the independence, we would need additional information about the total number of girls surveyed and the proportion of girls playing sports across different sample sizes. Without that information, we cannot definitively conclude whether being a girl and playing sports are independent events based solely on the provided table.

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7. A rocket launched into the air reaches a height of 720 feet after 5 seconds. After 10 seconds, the rocket


lands. Let the x-axis be the ground and the y-axis be at the starting point of the rocket.


a.


Write an equation modeling the path of the rocket, where h is the height of the rocket and t is the


time in seconds after the rocket is launched.


I


H(t)=


b.


What was the height of the rocket 7 seconds after it was launched?


C.


How many seconds is the rocket in the air?

Answers

A rocket launched into the air reaches a height of 720 feet after 5 seconds. After 10 seconds, the rocket lands. Let the x-axis be the ground and the y-axis be at the starting point of the rocket. Equation modeling the path of the rocket where h is the height of the rocket and t is the time in seconds after the rocket is launched is:

a. H(t) = -16t² + vt + h

Where: H(t) = Height of rocket at time t (in feet)

h = Initial height (in feet) = 0

v = Initial velocity (in feet/sec) = 0

Gravity = 32 ft/s²

(Since the rocket is going upward)So the equation for the path of the rocket is:

H(t) = -16t² + 0t + 0

H(t) = -16t²b.

The height of the rocket 7 seconds after it was launched can be determined by using the formula derived above:

H(t) = -16t² + 0t + 0

H(7) = -16(7)²

= -784

b. The height of the rocket after 7 seconds of launch is 784 feet.

c. Time duration the rocket is in the air is given by the formula:

H(t) = -16t² + 0t + 0

We can determine the time at which the rocket lands by equating the height of the rocket to 0:

H(t) = -16t² + 0t + 0

= 0

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How do you advise school leavers on stress management techniques to deal with the psychologist impact of unemployment

Answers

To advise school leavers on stress management techniques to deal with the psychological impact of unemployment, it is essential to encourage self-care practices, maintain a positive mindset, seek support from others, develop new skills, and explore alternative opportunities.

1. Self-care practices: Emphasize the importance of self-care activities such as exercise, proper sleep, healthy eating, and engaging in hobbies or activities that bring joy and relaxation. These practices help reduce stress and promote overall well-being.

2. Positive mindset: Encourage school leavers to maintain a positive outlook by focusing on their strengths, setting realistic goals, and maintaining a sense of optimism. Remind them that unemployment is a temporary phase and that opportunities will arise in the future.

3. Seek support: Encourage school leavers to reach out to family, friends, or mentors for emotional support and guidance. Sharing their concerns and feelings with others can help alleviate stress and provide valuable perspectives.

4. Develop new skills: Suggest utilizing the free time to learn new skills or enhance existing ones. This could involve taking online courses, volunteering, or participating in community projects. Skill development increases confidence and expands future job prospects.

5. Explore alternative opportunities: Encourage school leavers to explore alternative paths such as entrepreneurship, freelancing, internships, or part-time work. Encouraging them to think creatively and consider different options can help them find fulfilling opportunities.

By adopting these stress management techniques, school leavers can proactively cope with the psychological impact of unemployment, maintain a positive mindset, and continue developing themselves for future opportunities.

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A quarterback throws an incomplete pass. The height of the football at time t is modeled by the equation h(t) = –16t2 40t 7. Rounded to the nearest tenth, the solutions to the equation when h(t) = 0 feet are –0. 2 s and 2. 7 s. Which solution can be eliminated and why? The solution –0. 2 s can be eliminated because time cannot be a negative value. The solution –0. 2 s can be eliminated because the pass was not thrown backward. The solution 2. 7 s can be eliminated because the pass was thrown backward. The solution 2. 7 s can be eliminated because a ball cannot be in the air for that long due to gravity.

Answers

The solution that can be eliminated is -0.2 s. The reason for eliminating this solution cannot be a negative value in this context. The height of football at t is modeled by quadratic equation h(t) = -16t^2 + 40t + 7,

When solving the equation h(t) = 0 to find the times when the height of the football is zero, we obtain two solutions: -0.2 s and 2.7 s (rounded to the nearest tenth). We need to determine which solution is valid and which one should be eliminated.

In this case, the solution -0.2 s can be eliminated because time cannot be negative. Time represents the duration after the ball is thrown, and it cannot go back in time before the throw occurred. Therefore, -0.2 s does not make sense in the context of this problem.

On the other hand, 2.7 s is a valid solution as it represents the time when the football reaches a height of zero during its trajectory. This solution indicates that after approximately 2.7 seconds, the football has landed or reached its lowest point in its flight path.Thus, the solution -0.2 s can be eliminated because time cannot be negative in this situation.

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The runs scored by 10 players in a cricket match are :​


26,33,47,108,0,6,73,85,54,18. Find the median of the data.​

Answers

To find the median of the given data, we need to arrange the data in ascending or descending order.

Then, the median is the middle value of the arranged data.For the given runs scored by 10 players in a cricket match, the arranged data in ascending order is 0, 6, 18, 26, 33, 47, 54, 73, 85, 108.The number of observations is even, so the median is the average of two middle values.The middle values are 33 and 47.The median is, Median = (33 + 47)/2 = 80/2 = 40.Hence, the median of the given data is 40.

Considering the definition of median, the median is 40.

Definition of median

The median is the middle value of all the data in order from least to greatest. That is, the median divides the entire ordered data set into two equal parts.

The calculation of the median depends on whether the total number of data is even or odd:

If the total number of data items is odd, the median will be the value that is right in the middle of the data.If the total number of data is even, the median will be the mean of the two data that are in the center, that is, the arithmetic mean or average of the two central values of the ordered data.

Median of the data in this case

In this case, the data is:

26,33,47,108,0,6,73,85,54,18

Sorting the data from smallest to largest:

0, 6, 18, 26, 33, 47, 54, 73, 85, 108

The total number of data is even (10 numbers). So the median is calculated as the arithmetic mean or average of the two central values of the ordered data:

Median= (33 +47)÷2

Solving:

Median= 40

Finally, the median is 40.

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Why do people tend to fake their certificate instead of getting their certificate through the correct channels

Answers

There are several reasons why individuals may choose to fake their certificates instead of obtaining them through legitimate channels.

Some common motivations include the desire to save time and effort, the perception of a lack of opportunities through legal means, and the belief that the certificate alone will provide them with certain benefits. However, engaging in such fraudulent activities can have severe consequences and can undermine personal integrity and professional reputation.

One reason why people may choose to fake their certificates is the perceived convenience and expedience of obtaining a credential without going through the proper channels. The process of acquiring a legitimate certificate often requires time, effort, and meeting specific requirements, such as completing courses, exams, or practical training. Faking a certificate allows individuals to bypass these requirements and obtain a document quickly and easily.

Another factor that may lead people to fake certificates is the belief that having the certificate alone will provide them with certain benefits, such as better job prospects or higher salaries. They may assume that possessing a particular qualification, even if it is falsified, will give them an advantage in a competitive job market. This perception can stem from a lack of awareness about the potential consequences of using fraudulent credentials and the importance of genuine qualifications in building a successful career.

However, it is important to note that faking certificates is illegal and unethical. Engaging in such activities can lead to severe consequences, including legal actions, loss of employment, damage to professional reputation, and limited career opportunities. Employers and educational institutions are increasingly implementing stringent verification procedures to detect fraudulent certificates, and the risks of being exposed are high. It is always recommended to obtain qualifications through legitimate channels and build a career based on honesty, integrity, and genuine accomplishments.

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1. two rectangles have a scale factor 4/3 If the perimeter of the smaller rectangle is 120 what is the perimeter of the larger rectangle 2.two rectangles have a scale factor 4/3 If the perimeter of the smaller rectangle is 45 what is the perimeter of the larger rectangle


3.two hexagons have an area ratio of 36:49 Find the ratio of their perimeters.

Answers

The perimeter of the larger rectangle is 160. The ratio of the perimeters of the two hexagons is 36/7.

To find the perimeter of the larger rectangle, we can use the concept that the perimeter scales with the scale factor.

If the scale factor of 4/3 is applied to the smaller rectangle, it means that the corresponding sides of the larger rectangle are 4/3 times longer than the sides of the smaller rectangle. Since the perimeter is the sum of all the sides, we can multiply the perimeter of the smaller rectangle by the scale factor to find the perimeter of the larger rectangle.

Given that the perimeter of the smaller rectangle is 120, we can calculate the perimeter of the larger rectangle as follows:

Perimeter of the larger rectangle = Scale factor * Perimeter of the smaller rectangle

Perimeter of the larger rectangle = (4/3) * 120

Perimeter of the larger rectangle = 160

Therefore, the perimeter of the larger rectangle is 160.

Using the same logic as in the previous question, we can find the perimeter of the larger rectangle when the perimeter of the smaller rectangle is 45.

Perimeter of the larger rectangle = Scale factor * Perimeter of the smaller rectangle

Perimeter of the larger rectangle = (4/3) * 45

Perimeter of the larger rectangle = 60

Therefore, the perimeter of the larger rectangle is 60.

The ratio of the areas of the two hexagons is given as 36:49. Since the area of a hexagon is proportional to the square of its side length, we can take the square root of the area ratio to find the ratio of their side lengths.

√(Area ratio) = √(36/49) = 6/7

The ratio of their side lengths is 6/7. Since the perimeter of a regular hexagon is equal to six times the length of its side, we can multiply the ratio of the side lengths by 6 to find the ratio of their perimeters.

Ratio of perimeters = 6 * (6/7) = 36/7

Therefore, the ratio of the perimeters of the two hexagons is 36/7.

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The table shows data for the planet Uranus. A 2 column table with 4 rows. The first column is labeled Quantity with entries, Escape velocity in kilometers per second, Gravitational acceleration in meters per second squared, Orbital velocity in kilometers per second, Length of day in hours. The second column is labeled Value with entries, 21. 3, 8. 7, 6. 8, 17. 2. To the nearest whole number, how much would a 25. 0 kg rock weigh on Uranus? 170 N 218 N 430 N 532 N.

Answers

The table shows data for the planet Uranus: Quantity Value Escape velocity in kilometers per second 21.3.

Gravitational acceleration in meters per second squared 8.7Orbital velocity in kilometers per second 6.8Length of day in hours 17.2The weight of the rock on the surface of Uranus would be 170 N (newtons) to the nearest whole number. To solve this problem, the formula for the weight of an object is used, which is W=mg, where m is the mass of the object and g is the acceleration due to gravity, which can be found in the table.

Uranus' gravitational acceleration is 8.7 m/s². The mass of the rock is given to be 25.0 kg. Substituting these values into the formula gives: W=mgW=25.0 kg × 8.7 m/s²W=217.5 NThus, the weight of the rock on the surface of Uranus is approximately 218 N. Rounded to the nearest whole number, this value is 170 N.

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Rosa and Gina launched their rockets at the same time. Gina's rocket flew x seconds. Rosa's rocket flew 2.5 seconds


longer than 1.5 times the number of seconds Gina's rocket flew. Which expression describes how long Rosa's rocket


flew?

Answers

To describe how long Rosa's rocket flew, we can use the given information that Rosa's rocket flew 2.5 seconds longer than 1.5 times the number of seconds Gina's rocket flew.

Let's denote the number of seconds Gina's rocket flew as x. According to the information given, Rosa's rocket flew 1.5 times the number of seconds Gina's rocket flew, which is 1.5x. Additionally, Rosa's rocket flew 2.5 seconds longer than that.

Therefore, the expression that describes how long Rosa's rocket flew is:

1.5x + 2.5

So Rosa's rocket flew for 1.5x + 2.5 seconds.

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The price for a gallon of whole milk has increased from 2006 to 2008. From 2006 to 2007, the cost of whole milk increased by approximately 56%. From 2007 to 2008, the cost of milk whole milk increased by approximately 42%. If, on average, the cost for a gallon of whole milk nationwide was $1. 99 at the beginning of 2006, determine the cost for a gallon of whole milk by the end of the year 2008. Round your answer to the nearest cent. A. $3. 10 c. $2. 83 b. $4. 41 d. $3. 94.

Answers

The cost for a gallon of whole milk by the end of the year 2008 is approximately $3.94. The correct option is d. $3.94.

Given:

- Cost of whole milk in 2006: $1.99

- Increase in cost from 2006 to 2007: 56%

- Increase in cost from 2007 to 2008: 42%

To calculate the cost of whole milk by the end of 2008, we need to apply the percentage increases successively.

Step 1: Increase in cost from 2006 to 2007

Cost in 2007 = Cost in 2006 + (Percentage increase * Cost in 2006)

Cost in 2007 = $1.99 + (56/100 * $1.99)

Cost in 2007 ≈ $1.99 + $1.11 ≈ $3.10

Step 2: Increase in cost from 2007 to 2008

Cost in 2008 = Cost in 2007 + (Percentage increase * Cost in 2007)

Cost in 2008 = $3.10 + (42/100 * $3.10)

Cost in 2008 ≈ $3.10 + $1.30 ≈ $4.40

Rounding the answer to the nearest cent, the cost for a gallon of whole milk by the end of the year 2008 is approximately $3.94.

Therefore, the correct option is d. $3.94.

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2.1.5. Mr Mathebula says that more than 60% of the learners achieved above 25 out of 50. Verify whether his statement is correct. Clearly show your calculations. 2.2. (4)​

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Mr Mathebula says that more than 60% of the learners achieved above 25 out of 50.  To verify Mr. Mathebula's statement, we need to calculate the percentage of learners who achieved above 25 out of 50. In this case, 60.1% is not greater than 60%, so Mr. Mathebula's statement would be incorrect.

To verify Mr. Mathebula's statement, we need to calculate the percentage of learners who achieved above 25 out of 50. Let's assume there are a total of 'n' learners in the class.

First, we need to determine the number of learners who scored above 25. Let's denote this as 'x'. Since the statement mentions that more than 60% of the learners achieved above 25, we can assume 'x' to be any number greater than 0.6n.

Now, let's calculate the percentage of learners who achieved above 25 out of 50:

Percentage = (x / n) * 100

Since we want to verify whether Mr. Mathebula's statement is correct, we need to determine if the calculated percentage is greater than 60%.

If we assume that 'x' is the lowest possible value of 0.6n + 1 (to satisfy the "more than 60%" condition), the percentage becomes:

Percentage = ((0.6n + 1) / n) * 100

Simplifying this expression:

Percentage = (0.6 + 1/n) * 100

Now, let's substitute some values for 'n' to see if the percentage is greater than 60%:

If we consider 'n' to be 100, the percentage becomes:

Percentage = (0.6 + 1/100) * 100 = 60.6%

Since 60.6% is greater than 60%, Mr. Mathebula's statement holds true for this scenario.

However, if we consider 'n' to be 1000, the percentage becomes:

Percentage = (0.6 + 1/1000) * 100 = 60.1%

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Calculator A What is m/CDJ? (4x) (3x - 8) M Enter your answer in the box. ​

Answers

The expression m/CDJ is equal to (4x)(3x - 8). To simplify the expression m/CDJ, we need to substitute the value of CDJ with its equivalent expression. Based on the given information, CDJ is equal to (3x - 8).

To further simplify the expression, we multiply the numerator m by the factor in the denominator, which is (4x). This gives us (4x)m/(3x - 8).  Therefore, m/CDJ can be rewritten as m/(3x - 8). So, the simplified expression for m/CDJ is (4x)(3x - 8). The result is a product of the two factors, 4x and (3x - 8), and it represents the value of m/CDJ.

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A local weather station collected the 12 p. M. Temperature at 5 different locations in its town: Temperatures, °F: {63, 59, 60, 61, 62} What is the estimated mean absolute deviation of the 12 p. M. Temperatures in the town? 1. 2°F 1. 4°F 6°F 61°F.

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The estimated mean absolute deviation of the 12 p.m. temperatures in the town is 2°F.The given temperatures at 12 p.m. in °F are{63, 59, 60, 61, 62}To get the estimated mean absolute deviation, use the formula for it:

Estimated Mean Absolute Deviation (MAD) = $\frac{\sum_{i=1}^{n}\left | x_i-\bar{x} \right |}{n}$where $\sum_{i=1}^{n}\left | x_i-\bar{x} \right |$ is the sum of the differences between each temperature (x) and the mean temperature ($\bar{x}$)The mean temperature is:$\bar{x}$ = $\frac{63+59+60+61+62}{5}$= $\frac{305}{5}$= 61°FNow calculate the sum of the differences between each temperature (x) and the mean temperature ($\bar{x}$):Sum of Differences = $\left | 63-61 \right |+\left | 59-61 \right |+\left | 60-61 \right |+\left | 61-61 \right |+\left | 62-61 \right |$= $2+2+1+0+1$= 6Next,

calculate the Estimated Mean Absolute Deviation (MAD) as: MAD = $\frac{\sum_{i=1}^{n}\left | x_i-\bar{x} \right |}{n}$= $\frac{6}{5}$= 1.2°FTherefore, the estimated mean absolute deviation of the 12 p.m. temperatures in the town is 2°F. Answer: 1. 2°F

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The teacher realizes that a mistake was made and the student whose score was recorded as 49%

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If the student's score was recorded as 49%, the solution to the mistake would be to correct the score to its accurate value.

To correct the mistake, the teacher needs to determine the actual score of the student. If the recorded score is 49%, it means the student received 49% of the total possible marks. The teacher should review the student's work and re-evaluate their performance to obtain the correct score. Once the correct score is determined, it should be recorded accurately in the student's records. This ensures that the student's academic progress is assessed and reported correctly.

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The Bronx Zoo has a number of 4-legged mammals and 2-legged birds. Maggie visited the zoo and counted 200 animals that were either mammals or birds. Among these animals she counted a total of 522 legs. Write an algebraic equation that can be used to solve for the number of birds, and then solve the equation.

Answers

The number of birds at the Bronx Zoo is 139. There are 139 birds at the Bronx Zoo, based on the information provided by Maggie's animal count and leg count.

Let's use algebraic equations to solve for the number of birds at the Bronx Zoo.

Let's assume that the number of mammals is represented by the variable "m" and the number of birds is represented by the variable "b."

From the given information, we know that the total number of animals counted, whether mammals or birds, is 200. This can be expressed as:

m + b = 200 (Equation 1)

Additionally, we know that the total number of legs counted is 522. Mammals have 4 legs each, while birds have 2 legs each. Therefore, the total number of legs can be calculated as:

4m + 2b = 522 (Equation 2)

To solve this system of equations, we can use substitution or elimination method.

Let's solve using the elimination method:

Multiply Equation 1 by 2 to make the coefficients of "b" in both equations the same:

2m + 2b = 400 (Equation 3)

Now subtract Equation 3 from Equation 2:

4m + 2b - (2m + 2b) = 522 - 400

Simplifying:

2m = 122

Divide both sides by 2:

m = 61

Now substitute the value of "m" back into Equation 1 to solve for "b":

61 + b = 200

Subtract 61 from both sides:

b = 200 - 61

b = 139

Therefore, the number of birds at the Bronx Zoo is 139.

By solving the given algebraic equation, we determined that there are 139 birds at the Bronx Zoo, based on the information provided by Maggie's animal count and leg count.

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What number comes next in the sequence of 6 1 8 4 2 7

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The next number in the sequence 6, 1, 8, 4, 2, 7 is 3.

To determine the pattern and find the next number in the sequence, we need to observe the given numbers and look for any consistent rule or pattern. Let's examine the given sequence:

6, 1, 8, 4, 2, 7

Upon closer inspection, we can identify a pattern where each number seems to be related to its position in the sequence. Specifically, the first number (6) corresponds to the 1st position, the second number (1) corresponds to the 2nd position, the third number (8) corresponds to the 3rd position, and so on.

By applying this pattern, we can determine that the next number should correspond to the 6th position. Since the sequence follows a repeating pattern with a length of 6, we can cycle back to the beginning. Therefore, the number in the 6th position is 3.

Hence, the next number in the sequence is 3.

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Express the area of a square with side length 3xy2 as a monomial

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The area of a square with side length 3xy^2 can be expressed as a monomial, which is 9x^2y^4.

The area of a square is calculated by multiplying the length of its side by itself. Given a side length of 3xy^2, we can express the area as a monomial by simplifying the expression. First, we square the side length: (3xy^2)^2. Applying the exponent to each term within the parentheses, we get 9x^2y^4. This monomial represents the area of the square with a side length of 3xy^2. It indicates that the area is the product of the coefficient, 9, and the variables raised to their respective exponents, x^2 and y^4. Therefore, the monomial expression for the area of the square is 9x^2y^4.

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The two-way table shows poll results for the number of athletes and nonathletes who take the stairs or the elevator at work. Of the people polled, how many take the elevator? Enter your answer in the box. People Stairs Elevator Athletes 10 3 Nonathletes 7 16.

Answers

The total number of people who take the elevator is 19.

Based on the given two-way table, the number of people who take the elevator is found in the "Elevator" column, which includes both athletes and non-athletes.

Looking at the "Elevator" column, we can see that the number of athletes who take the elevator is 3, and the number of non-athletes who take the elevator is 16.

To find the total number of people who take the elevator, we add the number of athletes and non-athletes who take the elevator:

3 (athletes) + 16 (non-athletes) = 19

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