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2 years ago

What is the answer to 55>-7x + 6

1 answer:

5 0

55>-7x + 6
Get -7x by itself
Subtract 6 from both sides
49>-7x
Divide by -7 (Remember to flip the inequality sign when dividing by negatives)
-7

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2 years ago

The variable costs associated with a certain process are GHS0.65 per item. The fixed costs per

Licemer1 [7]

Answer:

a. Average cost equation

$\bar c=0.02Q+0.65+250Q^{-1}$

b. Q = 112 units

c. Average cost (Q = 112 units) = GHS 5.12

d. Usually, the actual production capacity.

Step-by-step explanation:

We will use $ as the currency symbol for GHS.

a) We have:

- Variable costs: 0.65Q

- Fixed costs: 250

- Special costs: 0.02Q^2

Then we can write the total cost equation as:

$C(Q)=0.65Q+250+0.02Q^2$

The average cost function can be calculated dividing the total cost equation by Q. Then, we have:

$\bar c=\dfrac{C(Q)}{Q}=\dfrac{0.02Q^2+0.65Q+250}{Q}=0.02Q+0.65+250Q^{-1}$

b) The output level that minimize the average cost can be calculated deriving the average cost equation and making it equal to zero:

$\dfrac{d\bar c}{dQ}=0.02+(-1)250Q^{-2}=0.02-250Q^{-2}=0\\\\\\\dfrac{250}{Q^2}=0.02\\\\\\Q^2=250/0.02=12,500\\\\Q=\sqrt{12,500}\approx 112$

The output level that minimizes cost is Q=112 units.

c. The average cost of production for the output level of 112 is:

$\bar c=0.02Q+0.65+250Q^{-1}\\\\\bar c(112)=0.02*112+0.65+250/112\\\\\bar c(112)=2.24+0.65+2.23\\\\\bar c(112)=5.12$

d. The limitation is not specified, by this models have a range of Q values where it is valid. These range is usually dependent on the scale of the production. The factory will have a maximum level of production, and over this level, the cost equation is different as other investments are needed.

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