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Molodets [167]
3 years ago
14

In​ 1885, first-class postage for a​ one-ounce letter cost​ $0.02. The same postage in 2015 costs​ $0.49. What compounded annual

increase in the cost of​ first-class postage has been experienced over this period of​ time?
Business
1 answer:
geniusboy [140]3 years ago
6 0

Answer:

2.49%

Explanation:

The period 't' between 2015 and 1885 is:

t = 2015 -1885 = 130\ years

The annual rate 'r' at which the original $0.02 value has been compounded over 130 years to reach a value of $0.49 is determined by:

0.49 = 0.02*(1+r)^{130}\\r=\sqrt[130]{24.5}-1\\ r=0.0249 = 2.49\%

The cost of​ first-class postage has experienced an annual increase of 2.49% over this period.

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UkoKoshka [18]

Answer:

.d. The equilibrium quantity would increase, and the effect on equilibrium price would be ambiguous.

Explanation:

The use of the machine would increase the supply of lattes and price falls. The supply curve would shift to the right. If scientists discover that coffees reduce heart attack, the demand for coffee would increase and price would increase. The demand curve would shift to the right.

The combined effect would be a rise in equilibrium quantity and an indeterminate effect on equilibrium price.

I hope my answer helps you

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drek231 [11]
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3 years ago
If a person moves to a state where housing, goods, and services are more expensive, their _____ has increased.A.occupationB.econ
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3 years ago
The IMF projects that​ China's real GDP per person will be​ 57,163 yuan in 2017 and​ 60,334 yuan in 2018 and that​ India's real
erica [24]

Answer: India / 11.1years

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India's GDP will increase or double than that of China's, because is has a larger income than that of China.

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British investors frequently invest in the u.s. or italy, depending on the prevailing interest rates. if italian interest rates
guajiro [1.7K]

Answer:

decrease, upward

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