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alexira [117]
3 years ago
13

I need help with an Exponential Growth & Decay Word Problem. This is the problem: Mr. Jacobs won $1,000,000 in the lottery.

He withdraws 10% of the money every year. How much money will he have left after 20 years? [Round your answer to the nearest dollar]

Mathematics
1 answer:
liraira [26]3 years ago
8 0
Remember that for decay A=P(1-r/100)^n
A=end amount
P=principal (initial) amount
R=rate
n=time (in this case, years)
For growth it is A=P(1+r/100)^n

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Step-by-step explanation:

Since the triangles are right triangles with 60 and 45 degree angles, their side lengths follow special triangles.

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A 30-60-90 right triangle has side lengths 1 - \sqrt{3} -2.

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