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3 years ago

A change in quantity demanded is caused only by

Business

2 answers:

Ksivusya [100]3 years ago

5 0

A change in quantity demanded is caused only by price.

romanna [79]3 years ago

3 0

Answer:

A change in quantity demanded is caused only by

A) price

B) a shift

C) Market

D) Income

The answer is Price(A)

Explanation:

Hope this helps :D

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Briefly explain the term market economy

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Answer:

a market economy is a system where the laws of supply and demand direct the production of goods and services

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A company sold $12,000 worth of bicycles with an extended warranty. it estimates that 2% of these sales will result in warranty

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I think the answer for your question you have to divide then you get 6,000

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3 years ago

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.

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4 years ago

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lina2011 [118]

Answer:

Principal

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3 years ago

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3 years ago