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raketka [301]
2 years ago
10

How is the labour market different from other markets

Business
1 answer:
yan [13]2 years ago
8 0

Answer:      The labor market works much like other markets. There are buyers and sellers and they interact to determine a price. ... In the labor market, firms demand labor and individuals such as you and I supply that labor. Employers demand labor because workers are an important part of the production process.

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The beta of a security is calculated as: (_____ of a security’s return with the return on the market portfolio / _______).
spayn [35]

Answer:

Beta of a security is the covariance of the security return with the return on the market portfolio divided by variance of the market return.

The correct answer is C

Explanation:

Beta of a security is calculated as covariance (Ri,Rm) divided by Variance of the market return. Beta is used for measuring the systematic risk of a security.

5 0
3 years ago
Shondra is thinking of making payments for her laptop by setting up automatic withdrawals with the store. What must
torisob [31]

Answer:

Shondra should be sure she will have enough in her account to be able to make the monthly payments.

Explanation:

5 0
3 years ago
Read 2 more answers
An oil refinery is located on the north bank of a straight river that is 3km wide. A pipeline is to be constructed from the refi
Mariulka [41]

Answer:

$6,598,076.21

Explanation:

<h2>THE KEY IS TO FIND OUT THE COST FUNCTION, the calculations are very easy!!!</h2><h2></h2><h3>In order to find the cost function, take a look at the drawing attached. </h3>

We can see the river (sort of) that is 3 km wide and the storage tanks on the other side of the river 8 km apart.

<h3 />

Laying pipes under (across) the river costs 1,000,000 the km & laying pipes over land costs 500,000 per km.

<h3 /><h3>So basically the cost function is 1,000,000 multiplied by something plus 500,000 multiplied by another something.</h3><h3 />

The distance across the river can be found by using Pythagoras Theorem. A side is 3 km the other is unknown, so we call it X. And it is equal to:

\sqrt{3^{2} +x^{2}}=\\\sqrt{9 +x^{2}}

And we multiply it by 1,000,000; the cost of laying pipe under the river, the we get:

1000000\sqrt{9+x^{2}

The distance over the land is (8-x), as we can see in the drawing. So we multiply it by its cost, 500,000. And we get 500,000(8-x).

So the cost function f(x) would be:

f(x)=1000000\sqrt{9+x^{2}} + 500000(8-x)

<h2>From here, we just have to differentiate and the derivative found must be equal to zero in order to minimize cost. </h2><h3>The value of x when the derivative is zero is plugged in the original function to get the cost.</h3><h3 /><h2>LET'S DO THIS</h2>

f(x)=1000000\sqrt{9+x^{2}} + 500000(8-x)\\f(x)=1000000(9+x^{2})^{1/2}+4000000-500000x\\f'(x)=\frac{1}{2} 1000000(9+x^{2})^{-1/2}(2x)-500000\\\\f'(x)=\frac{1000000x}{\sqrt{9+x^2}}  - 500000

<h2>f'(x)=0</h2>

f'(x)=\frac{1000000x}{\sqrt{9+x^2}}  - 500000=0\\\frac{1000000x}{\sqrt{9+x^2}}  = 500000\\\frac{2x}{\sqrt{9+x^2}}  = 1\\2x={\sqrt{9+x^2}}\\4x^2=9+x^2\\3x^2=9\\x^2=3\\x=\sqrt{3} \\

And we plug square root of 3 in the original cost function  ad we get

f(\sqrt{3} )=1000000\sqrt{9+x^{2}} + 500000(8-x)\\f(\sqrt{3})=1000000\sqrt{9+(\sqrt{3} )^{2}} + 500000(8-(\sqrt{3}))\\f(\sqrt{3})=1000000\sqrt{9+3} + 500000(8-(\sqrt{3}))\\f(\sqrt{3})=1000000\sqrt{12}+500000(6.27)\\f(\sqrt{3})=1000000(3.46)+500000(6.27)\\f(\sqrt{3})=3464101.62+3133974.60\\f(\sqrt{3})=6598076.21\\

<h2>so the minimal cost is $6,598,076.21</h2><h2 /><h3 />

6 0
3 years ago
What team would a writer, illustrator, and and agent be in?
makvit [3.9K]

Answer:

a writer, illustrator and an agent would be in a cross functional team

8 0
3 years ago
what happens when ethanol is refluxed with acidified sodiumheptaoxodiochromate(4) solution for a long time​
salantis [7]

Answer:

1-butanol

Explanation:

7 0
2 years ago
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