How do scientists use long wavelength and high energy

Answers

Answer 1

Answer:

Scientists use long wavelengths and high energy in various ways across different scientific disciplines. Here are a few examples:

Astronomy: Scientists use long-wavelength observations, such as radio waves and microwaves, to study celestial objects and phenomena. Radio telescopes are designed to capture and analyze these long-wavelength signals from space. They help astronomers investigate distant galaxies, map the cosmic microwave background radiation, and detect radio emissions from celestial bodies like pulsars and quasars.

Medical Imaging: In medical imaging techniques like magnetic resonance imaging (MRI), long-wavelength radio waves are used to create detailed images of the body's internal structures. MRI scanners utilize powerful magnets and radiofrequency pulses to generate signals that are detected and reconstructed into images, providing valuable information for diagnosing various medical conditions.

Particle Physics: High-energy particles, such as those produced in particle accelerators like the Large Hadron Collider (LHC), allow scientists to explore the fundamental building blocks of matter and the fundamental forces of nature. By colliding particles at high energies, physicists can recreate conditions similar to those in the early universe, studying the properties of subatomic particles and searching for new particles or phenomena.

Environmental Monitoring: Scientists use high-energy radiation, such as X-rays and gamma rays, for environmental monitoring and analysis. For instance, gamma-ray spectroscopy can be employed to measure radioactive isotopes in soil or water samples, providing insights into environmental contamination and nuclear activities.

These are just a few examples of how scientists utilize long wavelength and high-energy phenomena in their research. The specific applications can vary greatly depending on the field of study and the scientific questions being investigated.


Related Questions

How was history shared in Africa?

Answers

History was shared in Africa through oral traditions, such as storytelling, music, dance, and poetry. These traditions were passed down from generation to generation, and were used to teach people about their history, culture, and traditions. Storytellers and griots played an important role in preserving and sharing history, and were highly respected members of their communities. In addition to oral traditions, history was also shared through visual arts, such as sculpture, painting, and architecture.

main sources of rivers in bhutan ​

Answers

Most rivers in Bhutan source their water from glaciers and glacial lakes high up the Himalayas. As many as 2,674 glacial lakes of various sizes have been mapped.

Please help asap a lot of points and brainiest!!!!! ASAP

Answers

David Farragut was in the navy and apart of the Union side. Nathan Bedford Forrest was apart of the cavalry confederate side.

Name THREE ways in which a dirty living environment can negatively affect the general well-being of those who live in it?

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Answer:Environmental pollutants can cause health problems like respiratory diseases, heart disease, and some types of cancer. People with low incomes are more likely to live in polluted areas and have unsafe drinking water. And children and pregnant women are at higher risk of health problems related to pollution.

Explanation:Environmental pollutants can cause health problems like respiratory diseases, heart disease, and some types of cancer. People with low incomes are more likely to live in polluted areas and have unsafe drinking water. And children and pregnant women are at higher risk of health problems related to pollution.

The Post–Civil War Period in Hindsight
Use the table below to prepare notes about how successful, in hindsight, the post–Civil War period was in achieving goals of the Civil War. Remember that one of those goals was to preserve the Union. Others included abolition, along with the enfranchisement and citizenship of African Americans.

The first column of each row names an event and its date. In the second column, define or describe that event. In the third column, explain whether the event helped achieve a Civil War goal, and if so, what that goal was.









The Post–Civil War Period in Hindsight
Use the table below to prepare notes about how successful, in hindsight, the post–Civil War period was in achieving goals of the Civil War. Remember that one of those goals was to preserve the Union. Others included abolition, along with the enfranchisement and citizenship of African Americans.

The first column of each row names an event and its date. In the second column, define or describe that event. In the third column, explain whether the event helped achieve a Civil War goal, and if so, what that goal was.

Answers

Following the Civil War as contained the Reconstruction period, miscellaneous Civil Rights Acts (sometimes named Enforcement Acts) were passed to longer rights of emancipated slaves, stop discrimination, and fight intensity directed at the recently freed cultures

What is the  Post–Civil War Period?

Radical Reconstruction was a period following the Civil War all along which radical Republicans controlled Reconstruction procedures, though they often clashed accompanying President Johnson over pieces of legislation.

Radical Republicans in Congress, still, led by Stevens and Sumner, unlocked the way for male freedmen ballot.

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see text below



The Post-Civil War Period in Hindsight

Use the table below to prepare notes about how successful, in hindsight, the post-Civil War period was in achieving goals of the Civil War. Remember that one of those goals was to preserve the Union. Others included abolition, along with the enfranchisement and citizenship of African Americans.

The first column of each row names an event and its date. In the second column, define or describe that event. In the third column, explain whether the event helped achieve a Civil War goal, and if so, what that goal was.

BIU X2 X2 14pt

Event

Thirteenth Amendment (1865)

Black Codes (1865)

Civil Rights Act (1866)

Fourteenth Amendment (1868)

Fifteenth Amendment (1870)

Definition or Description

Did the Event Help Achieve a Civil War Goal? If So, What?

Discuss ways in which online activists coud practise good cyber safety to protect themselves against online threats

Answers

Any hostile action intended to interfere with, harm, or allow unauthorized access to a computer system, network, or electronic device is considered a cyber threat. Malware, viruses, phishing scams, ransomware, and social engineering attacks are just a few examples of the many different ways that the internet may be a hazard.

How to prevent cyber threats

Use Secure Passwords: internet campaigners should make secure passwords for each of their internet accounts. A strong password should have upper- and lower-case letters, digits, and special characters, and it should be at least 12 characters long.

Activists should turn on two-factor authentication (2FA) for all of their internet accounts. They must now enter a second factor in addition to their password to log in, which increases security.

Use a virtual private network (VPN) to encrypt internet traffic and hide an activist's IP address so that attackers cannot easily determine the activist's whereabouts and activity. When connecting to the internet, activists should use a reliable VPN service.

Activists should exercise caution when visiting links or downloading attachments from unidentified sources. Before acting, they should confirm the message's sender and its contents.

utilize Encryption: To prevent their communications from being intercepted or read by attackers, activists should utilize encryption technologies like Signal or PGP.

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Explain four differences between and desert tropical rainforests.​

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Answer:

The deserts are very dry land areas that can be hot or cold and experience very less rainfall. On the other hand rainforests receive an enormous amount of rain.

what present cultural art would anthropologist from the future research to identify the artist or creators and what they were trying to express in regards to our present society?

Answers

The present cultural art would be from the way that the people presented the cultures in the time period

What is cultural art?

Cultural art refers to the artistic expression and production of a particular group or society, often reflecting the cultural traditions, beliefs, and values of that group. This type of art can take many forms, including visual art, music, dance, literature, theater, and more.

Cultural art is often created as a means of preserving and celebrating a group's heritage and identity, as well as communicating its ideas and values to others. It can also serve as a way of expressing social, political, and spiritual beliefs and ideas, and may be used to challenge or subvert dominant cultural norms.

Examples of cultural art include traditional folk music and dance, indigenous art and crafts, religious art, and works of literature and theater that are closely tied to a particular cultural group or tradition.

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What is an algorithm?

A - a statement that appears to be true but is intentionally false
B - a computer program that determines how stories or posts are shown
C - a person’s tendency to believe information that supports an already held viewpoint
D - a person who makes deliberately offensive or inaccurate posts online to get a reaction

Answers

Answer: B

Explanation:

What is one way to measure technological progress?
A.(GP correct)total growth minus increases in capital and labor
B.total growth plus increases in capital and labor
C.any increases in labor minus increases in capital
D.any increases in capital minus increases in labor

Answers

One way to measure technological progress is A. total growth minus increases in capital and labor.

What is technological progress ?

Technological progress refers to the development of new technologies or improvements in existing technologies that lead to increased efficiency, productivity, and output in the economy. Measuring technological progress can be challenging, as it is not directly observable and can take many forms.

One way to measure technological progress is by using a growth accounting framework, which breaks down changes in total output or Gross Domestic Product (GDP) into components related to changes in capital, labor, and total factor productivity (TFP), which is a measure of technological progress.

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Can someone help me with this question?

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Based on contemporary issues, it is known that Representative James has co-sponsored the Investing in Main Street Act of 2023, which has been sent to the Committee on Banking, Housing, and Urban Affairs.

What is Investing in Main Street Act of 2023?

The bill that was submitted or sponsored on the investment in Main Street Act of 2023 authorizes certain banking entities to invest up to 15% of their capital and surplus in one or more small business investment companies (SBICs)

Generally, this bill deals with any entity established to invest solely in SBICs. The current limit is 5 percent.

Originally, when the bill was co-sponsored by Representative James, it was sent to the Committees on Banking Housing, and Urban Affairs to be passed into law for the benefit of the Americans.

Hence, in this case, it is concluded that the correct answer is option B.

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Using the library resources, I would like you to find an article that is related to juvenile justice that specifically addresses juvenile violence and provide the necessary support to show that you have a solid understanding of the article. I would like you to give me your perspective concerning the article. However, I do not want the entire article to be your perspective. Make sure to properly reference any and all support for the article. The “Library Guide” tab will provide resources to search for an applicable article for this assignment. your paper should:

Summarize the article contents
Identify any applicaple criminological theories that apply
Identify and detail best practices for reducing juvenile violence
Cite support from at least three credible academic sources

Answers

The sample article on Juvenile Justice is given as follows.

What is the explanation for the above response?

There are various criminological theories that can help understand juvenile violence, such as strain theory, social control theory, and labeling theory. Strain theory proposes that individuals may turn to crime as an alternative when they cannot achieve their goals through legitimate means. Social control theory posits that weakened or broken bonds to society may lead to deviant behavior. Labeling theory suggests that being labeled as a deviant can result in further deviant behavior.

Effective strategies for reducing juvenile violence include early intervention programs that address risk factors like poor academic performance, substance abuse, and family dysfunction. Also, supporting positive youth development through mentoring, education, and employment opportunities can help prevent juvenile violence.

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Which factor allows firms in an oligopoly to set their own prices?

A. Only a few firms control the majority of the market.

B. Each firm supplies a differentiated product.

C. High barriers to entry keep competitors from entering the market.

D. Government regulations allow such firms to set their own prices.

Answers

Because a small number of companies dominate the market, they may collaborate and coordinate their pricing methods, maintain control over the market, and set their own prices as a result.

How do businesses in oligopoly determine prices?

Companies in an oligopoly decide pricing, whether collectively—in a cartel—or under the control of one company, as opposed to gathering prices from the market. Profit margins are therefore higher than they would be in a market with more competitors.

Do oligopolies produce goods that are unique?

Either homogenous or differentiated products can be produced by an oligopoly. A homogeneous product cannot be identified from items made by other companies by quality.

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Concern about an international crisis has caused consumers to save their money and postpone big purchases. What is the effect on aggregate demand and aggregate supply?
A.both aggregate demand and aggregate supply will decrease, leading to lower real GDP
B.aggregate supply will decrease, raising the price level and lowering real GDP
C.no change on aggregate demand and aggregate supply
D. (correct answer)aggregate demand will decrease, lowering both real GDP and the price level

Answers

B because trust me bro ik what i'm talking about

There are many things happening on this graph, but you only need to focus on the green stuff. What conclusion can you draw from the green data?

Question 8 options:

No sunspots were observed during the middle ages (Years 1100-1600)


Sunspot data from the middle ages is much more detailed than sunspot data from 1700-1900.


Sunspot data from 1700-1900 is much more detailed than sunspot data from the middle ages.


Every person who collected this data is still alive

this is earth science

Answers

After observing the graph, we can conclude that, sunspot data from 1700-1900 is much more detailed than sunspot data from the middle ages.

History of Sunspot:

Sunspots have been observed by humans for thousands of years and are linked to solar activity. The Chinese made the first written record of sunspots in 800 B.C. English monk John of Worcester drew the first image of sunspots in 1128, and after the invention of the telescope, astronomers were able to make more detailed observations.

In 1843, German astronomer Samuel Schwabe discovered the sunspot cycle, which lasts about 11 years. Sunspots not only have a connection to geomagnetic activity on Earth but also play a role in climate change. A period called the Maunder Minimum from 1645 to 1715, with few sunspots, corresponded to a series of exceptionally cold winters throughout Europe known as the Little Ice Age.

Conversely, the Medieval Maximum from 1100 to 1250 had higher levels of sunspots and associated solar activity and coincided with a period of warmer climates on Earth known as the Medieval Warm Period. Currently, sunspot counts have been higher than usual since around 1900, which some scientists call the Modern Maximum.

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Which statement about autoshaping is wrong?


a.
It is likely to reflect conditioned responses
Incorrect

b.
Autoshaped behavior seems to reflect the conditioning of a system of species-typical behaviors commonly related to the reward.

c.
The paradigm involves the delivery of a reinforcer only after a specific response.

d.
Nowadays this term is used to refer to any situation in which an animal produces some distinctive behavior in response to a signal that precedes and predicts an upcoming reinforcer

e.
It can be described as a biological constraint on pure operant conditioning.

Answers

Statement a is incorrect. Autoshaping behavior does not necessarily reflect conditioned responses, but rather, it is the acquisition of a behavior that occurs in the absence of explicit conditioning. Autoshaping occurs when an animal forms an association between a neutral stimulus, such as a light or a tone, and a subsequent reward. This association leads to the animal exhibiting a behavior, such as a key peck or lever press, that has not been explicitly reinforced.

Guests and Their needs and Selection of Hotel​

Answers

my dog just got ran over by my uncle.

what are causes for expansion being justified

Answers

Answer:

Expansion can be justified for various reasons, depending on the context. Some common causes for expansion being justified are:

1. Increased demand for goods or services: If a business is experiencing increased demand for its products or services, expanding can help meet this demand and increase revenue.

2. Diversification: Expanding into new markets or product lines can reduce a business's reliance on a single source of revenue, making it more resilient to economic fluctuations.

3. Economies of scale: Expanding can lead to lower costs per unit of production, which can increase profitability.

4. Increased efficiency: Expanding can enable a business to optimize its operations and improve its overall efficiency.

5. Competitive advantage: Expanding into new markets or product lines can help a business gain a competitive advantage over its rivals.

6. Access to new resources: Expanding can give a business access to new resources, such as raw materials, talent, or technology, that can help it grow.

7. Geographic expansion: Expanding into new geographic regions can help a business reach new customers and tap into new markets.

Sentences such as "colorless green ideas sleep furiously" indicate that:

Answers

Answer:

Explanation:

The mind races while it’s trying to calm down and sleep.

What goes around comes around

Is karma real? Please provide movies​

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Answer:Karma is real what goes around definetely comes around

Explanation:The energy you surround yourself with spreads and can impacts others so the things you do to hurt people or help people will catch up with you eventually (Mean Girls)

11
Please select the best answer from the choices provided
OA
B
1
When independent kingdoms were formed, they all competed for the
A. food supply
B. trade markets
C. natural resources
D. protection of the gods
D
2
3
4
5

Answers

Answer:

B, trade markets d d df f f f f. g f

Feature search vs. Conjunction search Experiment

(1) Figure - please use this bar chart to create a figure.

Feature search:20 distractors use 1.41 seconds, 200 distractors use 1.75 seconds.

Conjunction search: 20 distractors use 1.45seconds, 200 distractors use 2.54 seconds.

(2)Briefly describe what you did in this experiment - be sure to include both "feature search" and "conjunction search" in your description.

(3)Report results: Which took longer - feature search or conjunction search? Did the time needed for feature search increase with the number of distractors? What about conjunction search?

(4)Based on your knowledge of attention and perception, how would you explain the results reported in (3)?

Answers

(1)

Bar chart:

X-axis: Number of distractors (20 vs 200)

Y-axis: Time (in seconds)

             Feature search   |  Conjunction search

-------------------------------------------------------

20 distractors       1.41      |        1.45

200 distractors      1.75      |        2.54

(2) In this experiment, we investigated the difference in performance between feature search and conjunction search tasks. In feature search, participants searched for a target feature (such as color) that was present among distractors that did not have that feature. In conjunction search, participants searched for a target that was defined by a combination of features (such as color and shape) among distractors that either had one of those features or none. Participants were asked to indicate as quickly as possible whether or not the target was present in the display.

(3) The results show that conjunction search took longer than feature search, both with 20 and 200 distractors. The time needed for feature search did not increase substantially with the number of distractors, while the time needed for conjunction search increased significantly.

(4) The results are consistent with the idea that feature search can be performed efficiently and in parallel, while conjunction search requires serial processing and becomes more difficult with larger sets of distractors. This may be due to the fact that when searching for a combination of features, attention must be directed to each item in turn in order to determine if it matches the target. In contrast, when searching for a single feature, items that do not match the target can be ignored quickly and in parallel.

Thirteenth Amendment (1865)

Answers

Answer:

Explanation:

The 13th Amendment to the United States Constitution provides that "Neither slavery nor involuntary servitude, except as a punishment for crime whereof the party shall have been duly convicted, shall exist within the United States, or any place subject to their jurisdiction.  it was also passed by Congress on January 31, 1865, and ratified on December 6, 1865, the 13th Amendment abolished slavery in the United States

The purpose of an interfaith conference is to promote understanding while discussing differences. Many subjects that are considered are things that the two groups have in common. Some subjects are ones that they disagree on, but controversial subjects are generally avoided. What religious discussion would NOT be fitting for a Muslim/Hindu conference?

Select one:

a.
What role should women play in religion?


b.
How to reach the spiritual needs of young people?


c.
To whom does Kashmir belong?


d.
What part should religion play in a person’s life?

Answers

the answer is b how to reach the spiritual needs of young people.

Answer: I'll personally say choice A.

Explanation:

My reasoning for this is that a majority of Muslims say that a wife should always obey her husband. Plus Muslim women are more supportive of women’s rights than Muslim men. Differences on these questions also are apparent between Muslims who want sharia to be the official law of the land in their country and those who do not.

Hoped it helped, but yeah that's just my personal opinion

:D

India is a complex mix of tradition and modernity of the village and city, of caste and tribe, of class and community. The village nestles right in the heart of the capital city of Delhi. Call centres serve European and American clients from different towns of the country. (a) differentiate between simple societies and complex societies. (b) What does call centre means?

Answers

Answer:

Don't forget to make brainliest answer

Explanation:

a) Simple societies are small-scale and homogeneous, with relatively little social differentiation and a focus on subsistence activities. Complex societies, on the other hand, are large-scale and heterogeneous, with a high degree of social differentiation and specialization, often based on economic activities beyond subsistence.

b) A call centre is a centralized office where customer service, sales, and other telephone-based tasks are outsourced by companies to be handled by a team of trained agents. In the context of India, call centres are a major industry that serves clients from around the world.

Question 7 of 10
How does money function as a medium of exchange?
A. It can be made of paper, metal, or many other materials.
B. It has a value that is set and changed by the government.
C. It can be used to compare the value of different products.
OD. It allows people to buy, sell, and trade goods efficiently.
PREVIOUS
SUBMIT
USD 10

Answers

Answer:

D. It allows people to buy, sell, and trade goods efficiently.

Explanation:

Money functions as a medium of exchange because it allows people to buy, sell, and trade goods efficiently.

When asked to fill out US census information, 55-year-old Lillian lists her religion as Judaism. Her daughter, 27-year-old Sarah, writes down that she is unaffiliated with religion. What statement is MOST likely true of mother and daughter?

Select one:

a.
Sarah has left her family’s religion to convert to another one.


b.
Lillian devoutly practices her religion while Sarah refuses to.


c.
Sarah is just as religious, but her mother always is more open to saying it.


d.
Lillian is only putting Judaism because of her cultural heritage.

Answers

the answer would be b)

What is the standard for determining whether a man understand a concept

Answers

The standard for determining whether a person understands a concept is their ability to explain or demonstrate it in their own words or actions.

What is the standard for determining if a Concept is Understood?

The standard for determining whether a person, including a man, understands a concept is typically based on their ability to explain or demonstrate the concept in their own words or actions.

This indicates that they have a grasp of the underlying principles and can apply them appropriately in a given context. The level of understanding can be evaluated by asking questions, observing behavior, or analyzing performance, depending on the nature of the concept and the situation in which it is being applied.

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The standard for determining whether a person, including a man, understands a concept is typically based on their ability to explain or demonstrate the concept in their own words or action.

The concepts are the most important ingredient for making our human rights minds. Man is created by the concept of nature It’s a part of reality that some things are more difficult to understand than others.

Tackling a subject or question that you can’t seem to wrap your mind around can be hard sometimes. Luckily, even very complex concepts can be understood if you work at them.

By being honest with yourself and implementing various problem-solving strategies, you can make it easier for yourself to understand a variety of different things.

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True or False Sociological perspective is basically being able to see the world through another person's eyes.

Answers

False. Sociological perspective is the ability to view the world from a sociological point of view, which involves understanding the social structures and dynamics that shape our lives.

Which of the following perspectives would
claim that the Initial Determination of Threat
Assessment (IDTA) issued against Khalid is a
form of racial profiling?

feminist
functionalist
labeling
interactionist

Answers

The perspective that would claim that the initial determination of threat assessment (IDTA) issued in opposition to Khalid is a form of racial profiling is the labeling perspective. Therefore option 3 is correct

Consistent with this attitude, human beings aren't inherently deviant, however as a substitute they are classified as such by society. The labeling perspective would argue that Khalid's IDTA is a form of social control geared toward him because of his racial or ethnic history, rather than an goal assessment of his potential risk.

The labeling angle emphasizes the role of societal labels in shaping behavior and effects and highlights how they are able to perpetuate discrimination and inequality. consequently, the labeling perspective would view the IDTA as an unjust shape of racial profiling against Khalid.

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What was the cost of each item?The burger cost $ The souvenir cost $ The pass cost $ Direct Labor Variances Ada Clothes Company produced 40,000 units during April. The Cutting Department used 12,800 direct labor hours at an actual rate of $16. 50 per hour. The Sewing Department used 19,600 direct labor hours at an actual rate of $19. 25 per hour. Assume there were no work in process inventories in either department at the beginning or end of the month. The standard labor rate is $18. 0. The standard labor time for the Cutting and Sewing departments is 0. 3 hour and 0. 5 hour per unit, respectively. A. Determine the direct labor rate, direct labor time, and total direct labor cost variance for the (1) Cutting Department and (2) Sewing Department. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. Cutting Department Sewing Department Direct Labor Rate Variance $fill in the blank 1 $fill in the blank 3 Direct Labor Time Variance $fill in the blank 5 $fill in the blank 7 Total Direct Labor Cost Variance $fill in the blank 9 $fill in the blank 11 b. The two departments have opposite results. The Cutting Department has a(n) rate variance and a(n) time variance, resulting in a total cost variance. In contrast, the Sewing Department has a(n) rate variance but has a(n) time variance, resulting in a total cost variance use compass and ruler to contruct bisector of the angle 1. What is one benefit of sport drinks?They are high in calories. They can replace lost electrolytes. They are the best solution for people watching their weight. Sport drinks have no benefits. A movie theater has a seating capacity of 349. The theater charges $5. 00 for children, $7. 00 for students, and $12. 00 for adults. There are half as many adults as there are children. If the total ticket sales was $ 2540, How many children, students, and adults attended? A person completes 68 km in 50 minutes via Jeep. Starting 20 minutes, he travels by x km/hr and next 25 minutes by 2x km/hr and rest time by 3x km/hr. What is the value of x ? 3. Give the trace of your machine in the previous problem processing the strings 1011 and 10 Deation 15 of 25mat is the point-slope equation of a line with alope -3 that contains the pointA.y-4--3(x-8)By+4=3(x-8)ay+4=3(x+8)Dy-4=3(x*8) Express the volume of the part of the ball p < 5 that lies between the cones /4 and/3. In the following acid-base reaction hpo42- is the_____________ Please help me will give brainlyist Compare these distributions.Both distributions of exam scores are and there are clear outlier(s) in each distribution of exam scores.The center of the distribution of exam scores earned by students who completed homework is the center of the distribution of exam scores earned by students who did not complete homework.The variability in scores of those who completed homework is that of the students who did not complete homework. Help with problem in photo! Find the perimeter! The regular price of a sofa, in dollars, is represented by p. the sale price of the sofa is 30% off the regular price. select all true statements. a. the sale price of the sofa can be represented by p-0.3p. Im doing this question right now so: the fruit is carbohydrates carbon dioxide is the cloud usable chemical energy is the ATP and yall should know water who is the narrator in the story of how my brother leon brought home a wife A rectangular prism has a volume of 27 in If a rectangular pyramid has a base and height congruent to the prism, what is the volume of the pyramid? ___infill in the blank ty please help!!! I will mark you brainliest, pls write an essay of 300-350 (b) The volume of the cylinder is 0. 0020m". The pressure inside the cylinder isinitially 200 atmospheres. When the cylinder is connected to the balloon, the finalpressure in the cylinder and the balloon is 1. 0 atmosphere. The temperature of thegas remains constant. Calculate the final volume of gas in the balloon. State theequation that you use. which of the following is a correct statement about the college-level education in the twentieth-century united states?