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Brainly.com What is your question? High School Mathematics 5+3 pts Which of the following situations could be represented with the given system of equations? 0.1x+0.6y=0.4(5) x+y=5 A. Eunice needs to combine solutions of 0.1M HCl and 0.4M HCl to produce 5L of 0.6M hydrochloric acid (HCl). B. Eunice needs to combine solutions of 0.1M HCl and 0.6M HCl to produce 5L of 0.4M hydrochloric acid (HCl). C. Eunice needs to combine solutions of 0.4M HCl and 0.6M HCl to produce 5L of 0.1M hydrochloric acid (HCl). D. Eunice needs to combine solutions of 0.1M HCl and 0.6M HCl to produce 4L of 0.5M hydrochloric acid (HCl).


Answered by answersmine AT 22/10/2019 – 02:26 AM

In the equations, the molarity is given as coefficients, x and y are volumes of HCl of different concentrations.  Therefore on the right hand side, molarity is 0.4, volume is 5 L.
The correct answer has a product of 0.4M and 5L.

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Find the general solution of the given system. dx dt = x + y ? z dy dt = 2y dy dt = y ? z



Find the general solution of the given system. dx dt = x + y ? z dy dt = 2y dy dt = y ? z

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The equilibrium of 2H2O( g. 2H2( g. + O2( g. at 2,000 K has a Keq value of 5.31 x 10-10. What is the mass action expression for this system?



The equilibrium of 2H2O( g. 2H2( g. + O2( g. at 2,000 K has a Keq value of 5.31 x 10-10. What is the mass action expression for this system?

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Concern about runaway costs, lack of access, and questionable quality of care has led to an increasing interest in studying the medical care system and its effectiveness, efficiency, and equity, leading to a science called health __________ research.


Answered by answersmine AT 22/10/2019 – 02:33 AM

……. leading to a science called health SERVICE RESEARCH. Health service research is a multidisciplinary field of scientific research that studies how different factors affect access to health. The factors studied include: social factors, financing systems, health technology, organisational structure and process, etc.

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The table shows conversions of common units of length. Unit of Length Customary System Units Metric System Units 1 inch 2.54 centimeters 1 foot 0.3048 meters 1 mile 1.61 kilometers How many miles are equivalent to 800 meters? Round answer to the nearest hundredth. 0.50 miles 1.29 miles 2.62 miles 4.97 miles



The table shows conversions of common units of length. Unit of Length Customary System Units Metric System Units 1 inch 2.54 centimeters 1 foot 0.3048 meters 1 mile 1.61 kilometers How many miles are equivalent to 800 meters? Round answer to the nearest hundredth. 0.50 miles 1.29 miles 2.62 miles 4.97 miles

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Given the system of equations, what is the solution? x + 2y = 11 x – 2y = -1 {(-5, -3)} {(1, 1)} {(5, 3)}



Given the system of equations, what is the solution? x + 2y = 11 x – 2y = -1 {(-5, -3)} {(1, 1)} {(5, 3)}

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Under the British system of mercantalism, the American colonies served primarily as a?



Under the British system of mercantalism, the American colonies served primarily as a?

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The library drawer-upon-drawer file that contains information about every book in the library is called the _____. A.reference B. Reader's Guide C. card catalog D. Dewey Decimal System



The library drawer-upon-drawer file that contains information about every book in the library is called the _____. A.reference B. Reader’s Guide C. card catalog D. Dewey Decimal System

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Which has been one effect of the traditional caste system in India?



Which has been one effect of the traditional caste system in India?

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What components make up the cardiovascular system?



What components make up the cardiovascular system?

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In the combined gas law, if the pressure in the system is increased, what happens to the volume if temperature remains constant?



In the combined gas law, if the pressure in the system is increased, what happens to the volume if temperature remains constant?

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In which system of government would states function independently of each other



In which system of government would states function independently of each other

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__________ is the art and science of taking and reproducing motion pictures. A. Film B. Shot composition C. Cinematography D. The three-point system



__________ is the art and science of taking and reproducing motion pictures. A. Film B. Shot composition C. Cinematography D. The three-point system

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An allogenic skin graft allows a person with a burn to receive skin from a donor. Patients are often given drugs to suppress their immune system. Why would a patient need to be given these drugs


Answered by answersmine AT 22/10/2019 – 03:16 AM

The person receiving the skin after the burn would be given these drugs most of the time because they dont want a ton of blood coming out of your body as your panicking or just sitting there feeling the pain which will make your heart beat faster in result of blood all over the place.

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Important changes in the musculoskeletal system due to physical activity seem to begin at _______ minutes of activity a week. A. 30 B. 60 C. 80 D. 90 The answer isn’t A.


Related Questions

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The BEST way to correct a poor decision is to __________. A. stop, blame, and react B. yell, apologize, and move on C. stop, think, and go D. pause, ignore, and talk

I think the correct answer from the choices listed above is option C. The best way to correct a poor decision is to stop, think, and go. You should pause for a while and reflect on that decision what made it wrong and how can you improve the outcome. After, you can proceed and make sure that you won’t do the same mistake again.

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How can poor mental/emotional health affect physical health?

They have learned healthy ways to cope with the stress and problems that are a normal part of life. They feel good about themselves and have healthy relationships. However, many things that happen in your life can disrupt your emotional health. These can lead to strong feelings of sadness, stress, or anxiety.

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Given the system of inequalities: 4x – 5y < 1 y – x < 3 Which shows the given inequalities in slope-intercept form?



Given the system of inequalities: 4x – 5y < 1 y – x < 3 Which shows the given inequalities in slope-intercept form?

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Why was the country-wide spread of a postal system and paper currency important to China? A) to spread the image of the emperor through stamps and coinage B) to keep news and wealth flowing throughout the country C) to unite the Chinese people D ) to give jobs to Chinese postal workers and bankersI actually ended up going with: B) to keep news and wealth flowing throughout the country Havent found out if i was correct or not.



Why was the country-wide spread of a postal system and paper currency important to China? A) to spread the image of the emperor through stamps and coinage B) to keep news and wealth flowing throughout the country C) to unite the Chinese people D ) to give jobs to Chinese postal workers and bankersI actually ended up going with: B) to keep news and wealth flowing throughout the country Havent found out if i was correct or not.

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Which of the following best describes the United States? A) It has a market economy with no government regulation. This is the only system that can work with a government run by the people. B) It has a command economy. A large nation like the United States needs the government to control all growth of business to prevent problems. C) It has a traditional economy. Most communities are focused on providing their own needs with the resources available in the local area. D) It has a mixed economy. The government protects individual rights, such as minimum pay for work and choices in goods and services.


THE ANSWER IS A

However, the government should have little to no intervention in our capitalism, market economy, but of course when the economic factors kick in, there is also the government which has to regulate monopolies and mergers to make sure that our market economy is safe and welcoming to all consumers. 

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What was the name given to the trade system where finished manufacturing goods were sent to Africa in exchange for slaves who were sent to the americas and exchange for colonial goods that would finally be returned to the home



What was the name given to the trade system where finished manufacturing goods were sent to Africa in exchange for slaves who were sent to the americas and exchange for colonial goods that would finally be returned to the home

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Look at the graph of this system of equations: y = – x2 + 1 and y = x2. At which approximate points are the two equations equal? A) (-0.7, 0.5) B) (0.5, 0.7) C) (0.7, 0.5) D) (-0.5, 0.7) Note: There can be more than answer. Help me and I will give you brainliest. Thank you. In this picture, there’s the graph.


Y=-x^2+1 and y=x^2

When the two curves intersect their coordinates will be equal, so we can say y=y whenever a solution exists, so:

x^2=-x^2+1  add x^2 to both sides

2x^2=1  divide both sides by 2

x^2=1/2  take the square root of both sides

x=±√(1/2), so there are two solutions, we can use x^2 to find the corresponding y values.

y=x^2, y=1/2 in each instance, so the two point where the curves intersect are:

(-√(1/2), 1/2) and (√(1/2), 1/2)  or if you want approximations….

(-0.7, 0.5) and (0.7, 0.5)

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What was one major effect that the Civil War had on the financial system of the northern states?



What was one major effect that the Civil War had on the financial system of the northern states?

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Which item would it be most important to include in an essay about the history of the mail system?



Which item would it be most important to include in an essay about the history of the mail system?

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Which of the three economic systems (market, planned, and mixed) do you believe address the issue of scarcity the best? Give two examples of why this system is superior to the other choices.


Scarcity is the fundamental challenge that all individuals and nations must confront. Everyone faces some limitations, so we all have to make choices where we limit or allow ourselves to something. 

Economists generally recognize four types of economic systems traditional, traditional, command, market and mixed.

A traditional economic system is shaped by tradition. The work that people do, the goods and services they provide, how they exchange resources… all tend to follow a pattern. The traditional system is bad at addressing scarcity because scarcity is formed off of new requirements people have through the ages and a traditional system would not evolve just as our requirements would.

In a planned economy, the government controls the economy. The state decides how to use and distribute resources. The government regulates prices and wages; it may even determine what sorts of work individuals do.
Socialism is a prime example of a planned economy. Socialism does not work because it is not consistent with the fundamental principles of human behavior. The failure of socialism in countries around the world can be traced to one critical defect: it is a system that ignores incentives.

Market economies allow all economic decisions to be made by individuals. The unrestrained interactions between individuals and companies in the marketplace determine what happens to all the good and resources.Individuals choose how to invest their personal resources and individuals decide what to consume. Within a pure market economy,  the government is entirely absent from economic affairs.

A mixed economic system combines elements of the market and command economy. Many economic decisions are made in the market by individuals. But the government also plays a role in the allocation and distribution of resources.

If scarcity is looked at on a macro level, the best economic system is mixed because it allows the government to also plays a role in the allocation and distribution of resources, while the individuals still stay happy because they have some control. The only problem is the eternal question of what the right mix between the public and private sectors of the economy should be.

There is no point to look at it on a micro level because almost no country is small enough to be considered on that level.

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Jordan wants to solve the following system using the elimination method: 2x + 3y = 10 x + y = 7 What number should the equation x + y = 7 be multiplied by to eliminate y? (4 points)



Jordan wants to solve the following system using the elimination method: 2x + 3y = 10 x + y = 7 What number should the equation x + y = 7 be multiplied by to eliminate y? (4 points)

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How many solutions does a system of two linear equations have if the slope of each equation is different and the y-intercepts are the same?



How many solutions does a system of two linear equations have if the slope of each equation is different and the y-intercepts are the same?