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3 years ago

The average American’s real income today is about four times what it was in _________.

Business

1 answer:

s344n2d4d5 [400]3 years ago

6 0

Answer:

The average American’s real income today is about four times what it was in 1960. Average lifetime lengths have increased by 12%, the number of hours worked per week has decreased by 17% , and homes have more than doubled in size.

Explanation;

Economic data shows that Americans make on average, about 4 times what they were making in real income in 1960 due to exponential economic growth.

At the same time, Americans are also living a longer life by 12% on average than in 1960 when the life expectancy was around 70 years. Today it is around 78 years.

Americans are also working fewer hours than their 1960 counterparts because where in 1960 they worked for an average of 50 hours a week, recently that number hovers around 40 hours a week.

Houses built are also larger than they were in the '60s as income has increased and preferences have changed.

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Let $S$ be the set of complex numbers of the form $a + bi,$ where $a$ and $b$ are integers. We say that $z \in S$ is a unit if t

lakkis [162]

Answer:

Number of units possible in S are 4.

Explanation:

Given S is a set of complex number of the form $a+bi$ where a and b are integers.

$z\in S$ is a unit if $w\in z$ exists such that $zw=1$ .

To find:

Number of units possible = ?

Solution:

Given that:

$zw = 1$

Taking modulus both sides:

$|zw| = |1|$

Using the property that modulus of product of two complex numbers is equal to their individual modulus multiplied.

i.e.

$|z_1z_2|=|z_1|.|z_2|$

So,

$|zw| = |1|\\\Rightarrow |zw| =|z|.|w| =1\\\Rightarrow |z|=\dfrac{1}{|w|}$ ......... (1)

Let $z=a+bi$

Then modulus of z is $|z| = \sqrt{a^2+b^2}$

Given that a and b are integers, so the equation (1) can be true only when $|z| = |w| =1$ (Reciprocal of 1 is 1). Modulus can be equal only when one of the following is satisfied:

(a = 1, b = 0) , (a = -1, b = 0), (a = 0, b = 1) OR (a = 0, b = -1)

So, the possible complex numbers can be:

$1.\ 1 + 0i = 1\\2.\ -1 + 0i = -1\\3.\ 0+ 1i = i\\4.\ 0 -1i = -i$

Hence, number of units possible in S are 4.

6 0

3 years ago

Presented below is information related to Lexington Real Estate Agency.

Ber [7]

Answer:

Oct 1

DR Cash............................................................................$20,000

CR Common Stock.........................................................................$20,000

Oct 2. No entry required

Oct 3

DR Office Furniture .....................................................$2,300

CR Accounts Payable................................................................$2,300

Oct 6

DR Accounts Receivable.............................................$3,600

CR Service Revenue - Realty services...................................$3,600

Oct 27

DR Accounts Payable ..................................................$850

CR Cash .......................................................................................$850

Oct 30

DR Salaries Expense ....................................................$2,500

CR Cash ..........................................................................................$2,500

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3 years ago

Marketing links producers to

satela [25.4K]

Marketing links producers to customers.
That is the answerzb

8 0

2 years ago

An example of global outsourcing is seen when gap, inc uses low-cost caribbean labor to cheaply produce its clothing, and then f

antoniya [11.8K]

This is true- it is an example of global outsourcing. Global outsourcing is when a company sends jobs to locations across the globe, where they can get away with hiring more workers and paying them less than they would have to in America. They take advantage of the lack of labor laws and human rights.

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3 years ago

(Consider This) In 1975, McDonald's introduced its Egg McMuffin breakfast sandwich, which remains popular and profitable today.

Masteriza [31]

Answer:

C. consumer sovereignty.

Explanation:

Consumer sovereignty in economics imply that consumers have the power to determine what will be produced. They do this by demanding for products they want, increasing its supply and demanding less of products they do not want which reduces its supply.

I hope my answer helps you

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3 years ago