Explain Key principles of economics ? your answer should exceed 200 words

Answers

Answer 1

The key principles of economics include concepts such as opportunity cost, supply and demand, incentives, efficiency, and market competition.

The study of economics is based on several key principles that guide the analysis of economic behavior and outcomes. One fundamental principle is the concept of opportunity cost, which states that to obtain one thing, we must forgo something else. This principle recognizes that resources are limited and choices must be made.

The principle of supply and demand is another cornerstone of economics. It explains how the interaction between buyers (demand) and sellers (supply) determines prices and quantities in a market. When demand exceeds supply, prices tend to rise, whereas when supply exceeds demand, prices tend to fall.

Incentives play a crucial role in economic decision-making. People respond to incentives, whether they are financial rewards, penalties, or other motivating factors. Understanding how incentives influence behavior is essential for predicting and analyzing economic outcomes.

Efficiency is a principle that focuses on maximizing the use of resources to achieve the greatest possible output. Economists examine how resources are allocated and how different production methods can lead to more efficient outcomes.

Market competition is also a key principle in economics. Competitive markets tend to lead to efficient outcomes by encouraging innovation, lowering prices, and increasing product quality. Competition helps drive economic growth and benefits consumers.

These principles, along with others such as marginal analysis, cost-benefit analysis, and specialization, form the basis of economic analysis and provide insights into how individuals, businesses, and societies make decisions and interact within the economic system. By understanding these principles, policymakers, businesses, and individuals can make more informed choices and better navigate the complexities of the economy.

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Related Questions

Pam's business earns 33,000 per month. Pam's non-employee expenses are $13,500 per month. If Pam wants $4,500 in profit per month, how many employees can she employ if each employee costs $3,000 per month?

Answers

The number of employee that she can employ if each employee costs $3,000 per month is 5 employees.

Using this formula

Number of employee=Business amount earn per month-Non -employee expenses per month-Profit per month/Employee cost

Let plug in the formula

Number of employee=$33,000-$13,500-$4,500/3,000

Number of employee=$15,000/3,000

Number of employee=5 employees

Inconclusion the number of employee that she can employ if each employee costs $3,000 per month is 5 employees.

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what is the element of demography ​

Answers

Answer:

Demographics can include any statistical factors that influence population growth or decline, but several parameters are particularly important: population size, density, age structure, fecundity (birth rates), mortality (death rates), and sex ratio (Dodge 2006). We introduce each of these in turn.

Explanation:

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What is the primary method in which airlines adjust to​ short-term fluctuations in customer​ demand?A. changes in inventoryB. postponement of serviceC. personnel availabilityD. denial of service

Answers

Pesonnel availability  is the primary method in which airlines adjust to short-term fluctuations in customer demand.

Option c is correct.

The primary method in which airlines adjust to short-term fluctuations in customer demand is through changes in inventory. Airlines use a revenue management system to adjust prices and availability of seats based on the demand for flights. This allows them to maximize revenue by pricing seats at the optimal level that will result in filling the most seats while still making a profit. For example, if there is high demand for a particular flight, the airline may increase the price of tickets to match the demand. Conversely, if demand is low, the airline may decrease the price of tickets to try to fill more seats.

Postponement of service may occur in certain situations, such as weather-related issues or mechanical problems with the aircraft, but it is not a primary method for adjusting to short-term fluctuations in customer demand. Similarly, personnel availability and denial of service are not commonly used methods for adjusting to fluctuations in demand. In fact, airlines typically strive to maintain a high level of customer service to attract and retain customers, even during times of lower demand.

In conclusion, changes in inventory through a revenue management system is the primary method in which airlines adjust to short-term fluctuations in customer demand.

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Maria is considering various business entity types in order to set up her new business. She wants to know which entities are subject to double taxation. You tell her that the entities subject to double taxation are:

Answers

Answer:

1. Corporations

2. Limited liability companies that are elected to be treated as corporations

Explanation:

Double taxation is when tax has to be paid two times on on the same particular source of income. A corporation pays tax at 2 levels. That is at the personal level and sat the business level. From dividends, taxes are paid by shareholders, corporations pay taxes on what they also warn annually.

Entities subject to double taxation includes, corporations and the limited liability companies treated as corporations.

What are the four parts of the SWOT analysis?

Answers

Answer:

Strengths, Weaknesses, Opportunities, and Threats

Explanation:

Answer:

Strengths, Weaknesses, Opportunities, Threats. AKA. SWOT.

Explanation:

A SWOT analysis is a technique for assessing these four aspects of your business.

Number 2 please please help me

Number 2 please please help me

Answers

Answer: See explanation

Explanation:

a. Public sector simply means the sector of the economy that the government controls. Examples include the military, public education, law enforcement, etc

b. The secondary sector is the sector of the economy that is concerned with how raw materials would be processed to become finished goods. The industries in this sector include construction companies, car manufacturers, textile industries, etc.

c. The tertiary sector of the economy is the sector that is concerned with services. This sector is important because:

• it helps in the provision of basic services like health care delivery, education, etc.

• it also helps in the development of several sector in the economy such as communication, and transportation.

• it contributes a huge part to the gross domestic product of a country.

d. The reason why some ministers may want to privatize some business include

• when the resources are not being efficiently utilized and there's wastage of resources.

• to improve competition

• it also brings about increase in effectiveness and efficiency.

e. The public sector alwayw produces goods and services more efficiently than the private sector as the government always looks to tackle market failure. Apart from that, the government looks out for the welfare of the people in the society and it's main motive is not profit maximization like the private sector.

What is this form used for?
SAVINGS WITHDRAWAL
FIFTH BANK
TOWNVILLE, ST
101 S. 1ST STREET
ACCOUNT NUMBER
DATE
$
NAME
SIGNATURE
1:50117135:
02
2010 Going
to withdraw money from a savings account
to deposit money in a savings account
to order checks
open a savings account

Answers

Answer:

to withdraw money from a savings account

Explanation:

The document appears to be a  savings withdrawal form. The words Withdrawal are clearly visible, implying it is used when making withdrawals.

To withdraw is the removal or get money from a savings or checking account. Customers use the withdrawal form when they need to get money from their accounts. They need to fill in the amount required in words and figures and signs in the appropriate place. The customer then hands over the form to a teller.

Can
you write formulas
The market price of a stock is \( \$ 47.25 \) and it just paid \( \$ 5.39 \) dividend. The dividend is expected to grow at \( 2.94 \% \) forever. What is the required rate of return for the stock?

Answers

The required rate of return for the stock is 11.74%.   The formula for the present value of a perpetuity (a stream of equal payments that continue indefinitely) is:

PV = PMT / r

where PV is the present value, PMT is the payment per period, and r is the discount rate.

In this case, the perpetuity is the stream of future dividend payments. The current dividend payment is $5.39, and it is expected to grow at a rate of 2.94% forever. Therefore, the expected dividend payment next year will be:

$5.39 * (1 + 2.94%) = $5.55

Using the formula above, we can solve for the required rate of return (r):

$47.25 = $5.55 / r

r = $5.55 / $47.25 = 11.74%

Therefore, the required rate of return for the stock is 11.74%.

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Which one of the four factors of copyright is MOST important?

Answers

Answer:

the purpose and character of the use i think

Explanation:

how do you feel about testing?

Answers

Answer:

Well I feel like test give me some much anxiety. I get very nervous and worried even if I had studied for the test. Test also sometimes make me feel shaky lol. But overall I feel like test just stresses students out and it’s not really good

Explanation:
Well for most tests it all depends on if the student feels confident with the subject they are taking the test on. I personally think I would get anxiety and other kids too if they are confused with the subject.

Do you feel that this country has made adequate progress in providing women with rights that are equal to that of men? Explain your answer.

Answers

Answer:

Yes.

Explanation:

There are so many opportunities for women to rise to the level of, if not surpass men. The 70 cents to the dollar thing is entirely false, and when accounting for the field and position, women typically make more than men. For single mothers, there is the WIC program (women, infants and children), but can you name a program that specifically supports single fathers? And, somewhat related sidenote, there is the whole "believe all women movement", (which in itself is sexist, but I yield) could you imagine if someone started saying "believe all men"? There is no way that would go over well.

for a monopoly, the demand and cost functions are: demand: q = 100 - 0.20p cost: tc = 10 60q solve for the profit-maximizing quantity (q).

Answers

The profit-maximizing quantity for the monopoly is found to be 12 using the monopoly's marginal revenue (MR) and marginal cost (MC) functions.

To find the profit-maximizing quantity for a monopoly with the given demand and cost functions, we need to first find the monopoly's marginal revenue (MR) and marginal cost (MC) functions.

The MR function is the derivative of the demand function, which is:

MR = d(TR)/d(q) = 100 - 0.40p

where TR is total revenue. To find p, we need to use the inverse demand function:

p = 500 - 5q

So, substituting for p in the MR function, we get:

MR = 100 - 0.40(500 - 5q) = -20q + 300

The MC function is the derivative of the total cost (TC) function, which is:

MC = d(TC)/d(q) = 60

Now, to maximize profit, the monopoly should set MR = MC, so:

-20q + 300 = 60

Solving for q, we get:

q = 12

Therefore, the profit-maximizing quantity for the monopoly is 12.

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which types of investment products typically are used in an investing-for-income strategy? multiple choice all of the answers are correct. stocks and bonds bonds and certificates of deposit stocks none of the answers are correct.

Answers

Purchasing dividend-paying securities is part of an income investing plan.

What is an example of an investment?

Investments that are owned include equities, estate development, and precious metals. The purchaser anticipates that their worth will rise over time. An investment is making a loan. Savings accounts and bonds are all forms of borrowing that accrue interest for the investor over time.

Investment? What do you mean?

An investment is something that is purchased with the goal of earning money or gaining fame. A purchase of goods that won't be used straight away but will later be used to generate wealth often described to with an investment in the future of the economy.

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A subdivision developer obtained a loan to purchase twenty lots. what type of clause might she/he be required to agree to in the security instrument (mortgage or deed of trust)?

Answers

A subdivision developer obtained a loan to purchase twenty lots.  partial release of the clause might she/he be required to agree to in the security instrument (mortgage or deed of trust).

A loan is a form of debt incurred with the aid of an individual or different entity. The lender—commonly an enterprise, economic employer, or authority—advances an amount of money to the borrower. In going back, the borrower is of the same opinion to an effective set of phrases together with any finance expenses, hobby, compensation date, and different situations.

Loans normally fall into categories, secured and unsecured. permit us to first understand what a relaxed loan is. Secured loans are those for which a borrower keeps some asset as surety or collateral to borrow coins.

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a 14-year, semiannual coupon bond sells for $974.17. the bond has a par value of $1,000 and a yield to maturity of 6.54 percent. what is the bond's coupon rate?

Answers

Answer:

the bond's coupon rate is 4.049 percent.

Explanation:

To solve this problem, we can use the formula for the present value of a bond:

PV = (C / r) x [1 - 1 / (1 + r)^n] + F / (1 + r)^n

where PV is the present value of the bond, C is the coupon payment, r is the yield to maturity, n is the number of periods, and F is the face value of the bond.

In this case, we know that the bond has a par value of $1,000 and sells for $974.17. Therefore, the present value of the bond is $974.17.

We also know that the bond has a yield to maturity of 6.54 percent and a

term of 14 years, which means there are 28 semiannual periods.

We can use these values to solve for the coupon rate as follows:

PV = (C / r) x [1 - 1 / (1 + r)^n] + F / (1 + r)^n

$974.17 = (C / 2) x [1 - 1 / (1 + 0.0654/2)^28] + $1,000 / (1 + 0.0654/2)^28

Simplifying this equation, we get:

$974.17 = (C / 0.0327) x [1 - 1 / 1.0327^28] + $385.54

$588.63 = (C / 0.0327) x 0.4752

C = $588.63 x 0.0327 / 0.4752

C = $40.49

Therefore, the bond's coupon rate is 4.049 percent.

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KENOO ELECTRICAL APPLIANCES KENOO is a family-owned manufacturer of electrical appliances has grown exponentially over the last few years. However, the company is having difficulty preparing for future growth. The only information system used at KENOO is an antiquated accounting system. The company has one manufacturing plant; and three warehouses. The KENOO sales force is national, and KENOO purchases about a third of its parts and materials .from a single overseas supplier You have been hired to recommend the information systems KENOO should implement in order to maintain their competitive edge. However, there is not enough money for a full- blown, cross-functional enterprise application, and you will need to limit the first step to a single .functional area or constituency Describe the features of the system you have chosen and explain reasons behind your ?choice for the above problem Article Preparation Articles should be between 1000 and 1200 .1 words in length. This does not include references .and appendices Article files should be provided in Microsoft.2 Word format (PDF documents are NOT .(accepted Submissions may be formatted in 1.5 or double .3 spacing, preferably in Times New Roman size 12 .font Plagiarism in any form constitutes a serious .4 violation of the principles of scholarship and is not acceptable. Use your own words

Answers

I recommend implementing an Enterprise Resource Planning (ERP) system for KENOO. An ERP system integrates various business functions into a single system, providing real-time information and improving efficiency. It will streamline operations by integrating accounting, manufacturing, warehousing, and sales processes.

Given KENOO's growth and the limitations of their current accounting system, implementing an ERP system would be a practical and effective solution. By integrating multiple functional areas, an ERP system will provide a comprehensive view of the company's operations, enabling better decision-making and planning for future growth. It will automate processes, reduce manual errors, and improve data accuracy. Additionally, an ERP system will enhance communication and collaboration across departments, enabling smoother coordination between manufacturing, warehousing, and sales.

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If you buy an investment for $800 and then sell it for
$950 a year later, what is your annual return on investment (percentage)?​

Answers

Answer: 18.75%

Explanation:

Since the investment is bought for $800 and then sold for $950 a year later, then the annual return on investment will be:

= (Selling price - Cost price) / Cost price × 100

= ($950 - $800)/$800 × 100

= $150/$800 × 100

= 18.75%

the aggregate demand curve is downward sloping because group of answer choices an increase in the price level will cause an increase in spending on goods and services. at lower price levels, real wealth decreases, causing a decrease in the quantity demanded of goods and services. at lower price levels, interest rates increase, causing a decrease in the quantity demanded of goods and services. at lower price levels, net exports increase, causing an increase in quantity demanded of goods and services.

Answers

The correct answer is: at lower price levels, real wealth decreases, causing a decrease in the quantity demanded of goods and services.The aggregate demand curve is downward sloping because of the wealth effect.

When the price level decreases, the purchasing power of individuals' wealth increases. This increase in real wealth leads to a higher level of consumption spending, as people feel more financially secure and are willing to spend more on goods and services. Conversely, when the price level increases, the purchasing power of individuals' wealth decreases, resulting in a decrease in consumption spending.

The other statements you provided are not accurate explanations for the downward slope of the aggregate demand curve: - An increase in the price level does not cause an increase in spending on goods and services. In fact, it generally leads to a decrease in spending due to the decrease in real wealth and the higher cost of goods and services.

- Lower price levels do not necessarily cause interest rates to increase. Changes in interest rates are influenced by various factors such as monetary policy, inflation expectations, and market conditions. It is not a direct determinant of the quantity demanded of goods and services.

- Lower price levels do not necessarily cause net exports to increase. Net exports depend on a variety of factors such as exchange rates, domestic and foreign income levels, trade policies, and relative price levels between countries. While changes in price levels can impact net exports indirectly, they are not the sole determinant of quantity demanded of goods and services.

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Which of the following is not an objective of proactive scanning? Identify and define potential opportunities and threats. Paint a picture of the future 20+ years into the future. Detect important cultural, economic, legal, political, and technological events and trends. Promote an adaptable, forward-looking mind-set among managers and employees. Help managers understand the company’s strengths and weaknesses.

Answers

The option that is not an objective of proactive scanning is: Paint a picture of the future 20+ years into the future.

What is proactive scanning?

Proactive scanning is the use of automated tools to detect suspicious programs/contents in library, driver, and executable files.

This scanning method can be used to detect threats and important events. They could also serve useful functions to employers and managers.

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the double burden borne by many women—work outside the home followed by child care and housework—is referred to as select one: a. second employment. b. double duty. c. the second shift.

Answers

The term "second shift" was coined by sociologist Arlie Hochschild in her 1989 book of the same name.

Hochschild observed that many working women in the United States were coming home from their jobs to face a second shift of unpaid work in the form of childcare and housework.

This second shift could be just as demanding as their paid work, and it often led to feelings of exhaustion and burnout.

The term "second shift" has since been used to describe the double burden borne by working women around the world.

In many countries, women are still expected to take on the majority of childcare and housework, even if they are also working outside the home. This can lead to a number of negative consequences, including stress, isolation, and a lack of leisure time.

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Cash is an _____.
A) asset
B) expense
C) none of the above

(question is from small business entrepreneurship A)

Answers

A. Asset

Explanation:

-asset is a useful or valuable thing

Promotional discounts are given to stores by manufacturers to place their products in preferred locations in the store and to display their products in a ski manufacturer sells a local ski shop 35 pairs of their new store window: skis for $7000, which is a discount of $2,625. What is the percentage of the discount given to the store? (Round your answer to the nearest whole percent.)

Answers

Answer:

27%

Explanation:

The ski was sold for $7,000 which has a discount of $2,625.

the price before discount is

= $7,000 + $2,625.

=$9,625

the discount as a percentage

=$2,625 / $9,625  x 100

=0.272727 x 100

=27.27%

=27%

target audience → the group of people at whom advertisements are aimed

True

False

Answers

True is the answer I did it before

mary's company is implementing an erp system to achieve which main business objective?

Answers

Mary's company is implementing an ERP (Enterprise Resource Planning) system to achieve the main business objective of improving operational efficiency.

An ERP system integrates and streamlines various business processes such as finance, accounting, human resources, inventory management, and supply chain management into one centralized system. This enables data sharing, automates routine tasks, reduces manual errors, and provides real-time visibility into key business metrics.

By implementing an ERP system, Mary's company can eliminate duplicate efforts, reduce costs, improve decision-making, and enhance customer satisfaction. Additionally, an ERP system can provide a foundation for future growth by enabling scalability, flexibility, and adaptability to changing market conditions. Ultimately, the main goal of implementing an ERP system is to optimize business operations and increase overall profitability.

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11. Which of these does NOT represent a type of credit?
*
1 point
A certificate of deposit (CD)
A credit card
A mortgage

Answers

A certificate of deposit (CD) does not represent a type of credit.

A certificate of deposit (CD) does not represent a type of credit. A certificate of deposit is a financial instrument offered by banks and credit unions that allows individuals to deposit a certain amount of money for a fixed period of time, typically ranging from a few months to several years. In return, the financial institution pays the depositor a fixed interest rate.

Unlike credit cards and mortgages, which involve borrowing money, a CD involves depositing money with the financial institution. The individual essentially lends money to the institution, and in return, earns interest on the deposited amount. The interest rate offered on a CD is predetermined and agreed upon at the time of purchase.

CDs are considered to be a low-risk investment option because they are typically insured by the government up to a certain amount. They provide a stable and predictable return on investment, making them attractive to individuals who prioritize safety and want to preserve their principal.

In summary, while credit cards and mortgages involve borrowing money, a certificate of deposit is not a type of credit. Instead, it is a financial instrument that allows individuals to deposit money with a financial institution and earn a fixed interest rate over a specified period of time.

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Your job is to cold call people and sell
them life insurance. You do some
research and find out that the life
insurance policy could be purchased
cheaper online. Your boss forbids you
to tell the customer this and expects
you to sign up at least 5 new
customers per day.
What will you do?

Answers

I believe I would be cheating customers if I don't do right by them. I would prefer to look for a new job than do something that is ethically wrong and against my morals.

As an employee, I would first try to figure out a way to do right by the customers and reduce the insurance fee. I would try to explain to my boss how we could benefit and increase our customer base if we reduce the fees.

If I fail at getting the price change. I would try looking for a new job that fits well with my morals. Till the time I get a new job, I would try working the same job and explaining to the boss.

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SalientVision Inc., a construction company, receives more than $2,000 in federal money. The company pays its employees at rates at least equal to the prevailing wages in the area. The calculation of prevailing rates by the company is based on 30% of the local labor force. In this case, which laws does the company comply with?

Answers


Hi I’m sorry I forgot to tell you that I’m gonna answer your question about the money I have to go with my grandma to get her meds and she can not be there until she probably gets home and ya
The answer is Pay differential

Describe factors that encourage conspicuous
consumption by the purchase of status sym-
bols.

Answers

Veblen's initial thesis said that better social standing and peer recognition were the two key factors influencing ostentatious consumption.

Conspicuous consumerism is the act of acquiring things or services specifically with the intention of flaunting one's affluence. When publicly exhibited products and services are too expensive for other people in a person's class, conspicuous spending is a way to demonstrate one's social position.

What is the conspicuous consumerism theory?

Conspicuous consumption is defined as. Displaying extravagant riches in order to improve one's standing and reputation in society is known as conspicuous spending.

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Distinguish Among Money, Income, And Wealth. Which One Of The Three Does The Central Bank Of A Country Control?

Answers

The thing which a Central Bank controls from the answer choices is Money.

What is Money?

This refers to the legal tender that is used as a form of exchange for goods and services.

Hence, we can note that the Central Bank of a country is in charge of printing money, making new economic policies, etc and they control money flow and have no business with controlling income or wealth.

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Sales tools like coupons and premiums used to support a company's advertising and personal selling directed to ultimate consumers are referred to as

Answers

Answer:consumer oriented sales promotions

Explanation:

Other Questions
Which method is best suited for separating a 500 mL sample of two miscible liquids whose boiling points differ by approximately 60C? A) use of a separators funnel B) paper chromatographyC) evaporation D) distillation E) fractional distillation Write the decimal equivalents of these two fractions: and .The decimal equivalent of is , and the decimal equivalent of is . What is the molarity of aqueous lithium bromide if 25.0 mL of LiBr reacts with 10.0 mL of 0.250 M Pb(NO 3) 2 Consider the following linear transformation of R: T(X1, X2, X3) =(-9. x-9-x2 + x3,9 x +9.x2-x3, 45 x +45-x 5 x3). (A) Which of the following is a basis for the kernel of T? No answer given) O((-1,0, -9), (-1, 1,0)) O [(0,0,0)} O {(-1,1,-5)} O ((9,0, 81), (-1, 1, 0), (0, 1, 1)) [6marks] (B) Which of the following is a basis for the image of T? O(No answer given) O ((2,0, 18), (1,-1,0)) O ((1,0,0), (0, 1, 0), (0,0,1)) O((-1,1,5)} O {(1,0,9), (-1, 1.0), (0, 1, 1)} [6marks] What is the freezing point of a solution made from 22.0 g of octane (c8h18) dissolved in 148.0 g of benzene? (for benzene, freezing point = 5.50c; kf = 5.12c/m) British immigration also between 1820 and 1860, but at a much slower rate. match eac type of imprtialism with its characteristics jack is standing in the queue 1/3rd was in front of him and 5/8th in the back how many students were there in the line? what does reapportionment mean? What is the value of x when In(x) =0 jvl enterprises has set a target profit of $126,000. the company sells a single product for $50 per unit. variable costs are $15 per unit and fixed costs total $98,000. how many units does jvl have to sell to 3. Twenty-five percent of Santa's elvesdecorated the North Pole. If 150 elvesdecorated, how many total elves live inthe North Pole? what is the value of 1/3x squared + 5.2y when x=3 and Y=2 can u guys givme e answer A 15 cm length of wire is moving perpendicularlythrough a magnetic field of strength 1.4 T at the rateof 0.12 m/s. What is the EMF induced in the wire?A. OVC. 0.025 vB. 0.018 VD. 2.5 V Daltons law 1: A metal tank contains three gases: oxygen, helium, and nitrogen. If the partial pressures of the three gases in the tank are 35 atm of 02, the total pressure inside of the tank?2: Blast furnaces give off many unpleasant and unhealthy gases. If the total air pressure is0.99 atm, the partial pressure of carbon dioxide is 0.05 atm, and the partial pressure of hydrogen sulfide is 0.02 atm, what is the partial pressure of the remaining air?3: Oxygen and chlorine gas are mixed in a container with partial pressures of 401 mmH and 0.639 atm, respectively. What is the total pressure inside the container (in atm)?(HINT: A conversion is needed!) 1. Transfer of Energy and Matter. Is an enzyme used up in a chemical reaction? When opening the airway of an unresponsive trauma patient in the emergency department, which of the following considerations is correct? a. Chin lift/jaw thrust maneuver should be used. b. Hyperextension of the neck is the only acceptable technique. C. Flexion of the neck protects the client from further injury. d. Airway patency takes priority over cervical spine immobilization. Question 23 Multiple Choice Worth 2 points)(05.04 MC)Read the text and question and choose the option with the correct answer-Fabiola, necesito la computadora para a for mi tarea, dnde est?-La computadora est en la mesa, en mi sala.-Gracias Tienes una calculadora?-Si, en la cocinaWhat is the meaning of the preposition in bold type?O onO ofO At who need help on any work Spanish math or something else