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Mashutka [201]
3 years ago
5

What is the value of the expression: x - 3y

Mathematics
1 answer:
Softa [21]3 years ago
3 0

Answer:

x-3y

=6-(3×12)

=6-36

=-30

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F(-4); f(x) = x2 + x - 4
Ugo [173]

Answer: 8

Step-by-step explanation: In this problem,

we're asked to find f(-4) or the value of the function when x = -4.

To find the value of the function when x = -4,we simply plug in a -4 for

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So f(-4) = 8.

4 0
3 years ago
Convert the following fraction to decimal <br><br><br><img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B13%7D%7B20%7D%20" id="TexFo
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Step-by-step explanation:

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4 years ago
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What is the equation of 30-20
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If you would like to calculate x = 30 - 20, you can do this like this:

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7 0
3 years ago
The annual demand for a product is 16,400 units. The weekly demand is 315 units with a standard deviation of 90 units. The cost
shutvik [7]

Answer:

a) The reorder point necessary to provide a 95 percent service probability is 1557 units.

b) The Z value of 0.74 corresponds to 77% service probability.

Step-by-step explanation:  

Average weekly demand (d) = 315 units  

The standard deviation of weekly demand (\sigmad) = 90 units  

Lead time (L) = 4 weeks  

At 95% service level value of Z = 1.65  

Reorder point = d x L + safety stock  

= d \times L + (Z \times \sigma d \times \sqrt  L)\\\\= 315 x 4 + (1.65 x 90 x \sqrt 4)\\\\= 1260 +(1.65 x 90 x 2)\\\\= 1260 + 297\\\\= 1557 units

b) Earlier the safety stock was 297 units(calculated in part a)

Now the safety stock is reduced to 55%.so,55% of 297 = 163.35 units  

So the new safety stock = 297 - 163.35 = 133.65  

Safety stock = Z \times \sigma d \times \sqrt L\\133.65 = Z x 90 x 2\\133.65 = 180Z\\ Z = 133.65/180\\Z = 0.74  

The Z value of 0.74 corresponds to 77% service probability.

4 0
3 years ago
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