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storchak [24]
2 years ago
15

The value of a machine depreciated each year by 10%of its value at the beginning of that year .If the value of a new machine is

GHC 2500,find its value at the end of the third year.​
Mathematics
1 answer:
lina2011 [118]2 years ago
8 0

Answer:

Heyy

Step-by-step explanation:

Lets Price of article is 100

Dep value after 1 year =100−

100

100×10

= 90

Dep. value after 2 year =90−

100

90×10

=81

Dep. value after 3 years =81−

100

81×15

=68.85

Total Dep. =100−68.85 = 31.15%

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If the demand function for a commodity is given by the equation
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Answer:

Equilibrium quantity = 26.92

Equilibrium price is $31.13

Step-by-step explanation:

Given :Demand function : p^2 + 16q = 1400

           Supply function : 700 -p^2 + 10q = 0

To Find : find the equilibrium quantity and equilibrium price.

Solution:

Demand function : p^2 + 16q = 1400  --A

Supply function : p^2-10q=700 ---B

Now to find the equilibrium quantity and equilibrium price.

Solve A and B

Subtract B from A

p^2-10q -p^2-16q=700-1400

-26q=-700

26q=700

q=\frac{700}{26}

q=26.92

So, equilibrium quantity = 26.92

Substitute the value of q in A

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p = \sqrt{969.28}

p = 31.13

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