Answer:
They should operate Mine 1 for 1 hour and Mine 2 for 3 hours to meet the contractual obligations and minimize cost.
Explanation:
The formulation of the linear programming is:
Objective function:
Restrictions:
- High-grade ore: 
- Medium-grade ore: 
- Low-grade ore: 
- No negative hours: 
We start graphing the restrictions in a M1-M2 plane.
In the figure attached, we have the feasible region, where all the restrictions are validated, and the four points of intersection of 2 restrictions.
In one of this four points lies the minimum cost.
Graphically, we can graph the cost function over this feasible region, with different cost levels. When the line cost intersects one of the four points with the lowest level of cost, this is the optimum combination.
(NOTE: it is best to start with a low guessing of the cost and going up until it reaches one point in the feasible region).
The solution is for the point (M1=1, M2=3), with a cost of C=$680.
The cost function graph is attached.
If Tom were married and his spouse was not working for pay, his 2021 taxable income would be a maximum 15% rate (20% in the case of high income taxpayers. Read below about who an income tax payer.
<h3>Who is an income taxpayer?</h3>
A taxpayer is an individual or corporation who pay taxes annually on their earning as per the provisions of the Income Tax Act. Once you file income tax returns and disclose your earnings, it becomes legal.
Therefore, the correct answer is as given above
learn more about a taxpayer: brainly.com/question/14582132
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Answer:
The correct answer is letter "D": Developing employees' skills
.
Explanation:
Some of the different managers' tasks include <em>setting and communicating the vision, inspiring, encouraging, and supporting the team, </em>and <em>motivating employees' towards their development</em>. All of those challenges imply interacting directly with subordinates. It is impossible to achieve the firms' goals while helping employees to achieve theirs without communication.
Thus, <em>Cleo is failing at believing by nodding her head she will be seen as a stronger manager. Stronger managers are those whose actions maximize the entity's profits, by maximizing workers' efficiency which implies developing their skills.</em>
Answer:
1 and 6, 3 and 4, 8 and 9, 2 and 7
Explanation:
1 and 6: For developing IR policy, roles and responsibilities for informatino security must be clearly defined
3 and 4: a single trainer working with multiple trainees is trainees receiving presentation
8 and 9: An online resource for IR can serve as a training case for staff
2 and 7: an unsual pattern in a system log can be risky for the business
Answer:
Explanation: Eran las doce.
Había mucha gente en la calle.
A las doce y media, Tomás y yo entramos en el restaurante Tárcoles.
Todos los días yo almorzaba con Tomás al mediodía.
El camarero llegó inmediatamente con el menú.
Nosotros empezábamos a leerlo.
Yo pedí el pescado.
De repente, el camarero (volvió a nuestra mesa.
Y nos (dio una mala noticia.
Desafortunadamente, no tenían) más pescado.
Por eso Tomás y yo (decidimoscomer en otro lugar.
(Llovió cuando (salimos del restaurante.
Así que (regresamos al restaurante Tárcoles.
Esta vez, (pedí) arroz con pollo.
