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4 years ago

Is it wise for a firm to employ a worker at $20 per hour when another worker does the same job for $10 per hour?

1 answer:

5 0

For me,

It would be a rational decision if the first worker was more than twice as productive as the second worker.

This can happen in real life, for example 2 workers are hired to do the same type of job but one worker graduated with honors, the company can give a higher pay to the worker with honors compared with the other one who graduated.

It is up to the company on how much they would pay their workers as long as it is above the minimum wage. Though there might be hurt feelings among the workers if they each knew how much they are paid for, it is also better for the company to inform workers that they are paid this certain amount because of the following reasons (graduated w/ honors).

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Julio bought 4 pencils and 3 erasers for $0.37 and David paid $0.33 for 3 pencils and 4 erasers. What is the cost of one pencil?

nirvana33 [79]

Answer:

Each pencil costs $0.07 and each eraser costs $0.03

Step-by-step explanation:

System of linear equations

It refers to the study of systems when n variables are related in m linear equations, each one is not independent from the others. Solving such systems can be done following very diverse approaches.

Let p=the price of each pencil while e is the price each eraser

Julio bought 4 pencils and 3 erasers, spending

$4p+3e=0.37$

David bought 3 pencils and 4 erasers, spending

$3p+4e=0.33$

The system of equations is written in the form

$\left\{\begin{matrix}4p+3e=0.37\\ 3p+4e=0.33\end{matrix}\right$

We'll solve it by reduction. Multiplying the first equation by -3 and the second by 4:

$\left\{\begin{matrix}-12p-9e=-1.11\\ 12p+16e=1.32\end{matrix}\right.$

Adding both equations:

7e=0.21

e=0.03

Multiplying the first one by -4 and the second by 3

$\left\{\begin{matrix}-16p-12e=-1.48\\ 9p+12e=0.99\end{matrix}\right.\end{matrix}\right.$

Adding both equations:

-7p=-0.49

p=0.07

Solution: Each pencil costs $0.07 and each eraser costs $0.03

7 0

3 years ago

X = 3y +9 2x – 3y = 9 help plz

Dominik [7]

Answer:

Their are caculators online search the type of math it is then put caculator for example exponents caculator

Step-by-step explanation:

6 0

3 years ago

A lock on a lab door has buttons numbered 0 through 9. The right code for opening the lock is 8542. Also, if on three consecutiv

Viktor [21]

Answer:

Step-by-step explanation:

given that a lock on a lab door has buttons numbered 0 through 9. The right code for opening the lock is 8542

Also, if on three consecutive attempts, a wrong code (a code is a combination of 4 ordered distinct digits) is entered, then a burglar alarm is let off.

when you forget the code, you try at random

There are 10 ways of selecting each digit

So total number of ways of trials at random = $10^4 =10000$

The probability that you get in (without letting off the alarm).

= Probability that you try correct number in I or II or III trial atmost

Prob for correct guessing = 1/10000

The probability that you get in (without letting off the alarm).

= Probability that you try correct number in I or II or III trial atmost

= $\frac{1}{10000} +\frac{9999}{10000}\frac{1}{10000}+(\frac{9999}{10000})^2\frac{1}{10000}$

Because if you get in I trial you leave. If you fail in I you try for second, similarly if you fail 2 times 3rd should be correct

=0.0002

7 0

3 years ago

(f-g)(x) f(x)= 1/x+2 g(x)= 3x

prohojiy [21]

Answer:

f(x) - g(x) = (1/x) + 2 - 3x or (f - g)(x)

Step-by-step explanation:

f(x) = 1/x+2

-g(x) = 3x

can be summarized on line line as:

f(x) - g(x) = (1/x) + 2 - 3x or (f - g)(x)

7 0

3 years ago

Convert the polar expression of this complex number into its rectangular form:

Sergio [31]

Answer:MARK BRAINLLEST MARK BRAINLLEST

(−5/2, 5/2√3)

<h2 />

Step-by-step explanation:

7 0

3 years ago

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