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anzhelika [568]
3 years ago
7

Within a firearm, a burning material creates pressure to force the bullet or shot out of the barrel. What is this burning materi

al?
primer
firing pin
wad
powder
Business
1 answer:
pogonyaev3 years ago
6 0
The burning material would be the firing pin because it was more risk burning than the others.
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The bank is working to develop an efficient work schedule for full-time and part-time tellers. The schedule must provide for eff
Kitty [74]

Answer:

The solution is given below.

Explanation:

It is a practical, complex scheduling problem that can be easily modelled and solved as IP. Note that  part time and full time employees are paid at different rates. So, it is important that the bank operates to provide required service level (indicated by the number of tellers per hour) while  minimizing total cost due to staff salary.

We use x as full time and y as part time staff.

It would help if you construct a table as shown below to better analyze the problem before  attempting to model it. Red shows work hrs of full time staff and green is for part timers. Just follow  their work hour rules.

So, full timers have 3 options:  

(i) start at 9 – work till 1pm, take 1 hr break, then work 2 – 5 pm

(ii) start at 10 – work till 2pm, take 1 hr break, then work 3 – 6 pm

(iii) start at 11 – work till 3pm, take 1 hr break, then work 4 – 7 pm

that’s all… bank closes at 7 pm.

However, part timers don’t have 1 hr break. They work straight 4 hrs and leave. See green cells  above to understand their alternatives.

Now, decision variables should include this work hour information. Here goes their definition. You  must clearly define decision variables in exam, otherwise, the model is meaningless.

X9 = number of full time staff who start at 9 and follow the hour-related rule (no need to specify  more details; those are already undestood)

X10 = number of full time staff who start at 10 and follow the hour-related rule

X11 = number of full time staff who start at 11 and follow the hour-related rule

Y9 = number of part time staff who start at 9 and follow the hour-related rule

Y10 = number of part time staff who start at 10 and follow the hour-related rule

…. This way you define up to Y15.

You must also specify that:

Xi, Yi >=0, integers.

Objective Function:

Minimize Z = 105*(x9 + x10 + x11) + 32* (y9 + y10 + … + y 15)

You will need one “covering” constraint for each working hour. Both full and part-timers can “cover”  the duty of each hour. Look at the color-coded table (above) column-wise. The 9:00-10:00 hour can  be covered only by x9 and y9 staff; next hour by x9, x10, y9, y10 only,… and so on. So, the

constraints are: (attached with image)

8 0
3 years ago
When the value of investment A changes more and faster than the value of investments B and C, investment A has a higher _____.
Talja [164]
I think the most appropriate answer would be D. As other answers has nothing to do with this question.



I hope it helped you!
4 0
3 years ago
QUESTION 2 of 10: You're opening a chic new restaurant and have 15 tables which are all square and can seat 4 people. However, y
likoan [24]

Answer:

A) Yes

Explanation:

15 x 4 = 60 person capacity

60 - 2 = 58

58 - 6 = 52

52 - 8 = 44

44 - 8 = 36

36 - 10 = 26 person capacity left

Yes, you can accommodate everyone's reservation requests.

7 0
2 years ago
Coffee bean merchants notice that coffee prices are at a historic low today but they expect the price of coffee beans to increas
d1i1m1o1n [39]

Answer:

1. Supply will decrease

Explanation:

Due to the basic economic principle that when supply superceeds the demand for goods and services, the prices of such goods and services fall. As a result of this, and an expected increase in future prices, the supply of coffee beans by coffee merchants to the markets will decrease.

This is because the merchants want to receive higher profits and to do so, they will withhold supply to sell in the next six months when the price is higher.

6 0
3 years ago
Read 2 more answers
If accounts receivable and inventories increased by $85,000 (total), accounts payable increased by $14,000, and depreciation add
scoundrel [369]

Answer:

We can't define the firm's net income without additional information as either (1) or (2):

1) Revenues/ all income, and all expenses

2) Operating cash-flow together with interest expense, and tax rate

Explanation:

If we can have the operating cash-flow, then we can define EBIT (profit/ earnings before tax and interest) as below:

Operating cash-flow = EBIT  + depreciation - increase of accounts receivable and inventories + increase of accounts payable.

Assuming Operating cash-flow is $100,000 then we have:

EBIT = $100,000 + $64,000 - $85,000 + $14,000 = $93,000

Assuming the firm have no interest expense and tax rate is 35%, then net profit = EBIT*(1- tax rate) = $93,000 * (1-35%) = $60,450

6 0
3 years ago
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