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siniylev [52]
3 years ago
10

The most recent census for a city indicated that there were 919,716 residents. The population of the city is expected to increas

e at an annual rate of 3.7 percent each year for the next 13 years. What will the population be at that time
Mathematics
1 answer:
OLEGan [10]3 years ago
3 0

Answer:

1,474,951.

Step-by-step explanation:

Given a population that increases by a constant percentage, we can model the population's growth using the exponential model.

P(t)=P_o(1+r)^t,$ where \left\{\begin{array}{lll}P_o=$Initial Population\\r$=Growth rate\\$t=time (in years)\end{array}\right\\P_o=919,716\\r=3.7\%=0.037\\$t=13 years

Therefore, the population of the city in 13 years time will be:

P(t)=919,716(1+0.037)^{13}\\\\=919,716(1.037)^{13}\\\\=1,474,950.9\\\\\approx 1,474,951

The population be at that time will be approximately 1,474,951.

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Step-by-step explanation:

First, find the amount of mph between 60 and 80:

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Since the speed increases 4 mph per hour, we can find how long it will take to get to 80 mph by dividing 20 by 4:

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3 years ago
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jasenka [17]

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Factors of 12: 1, 2, 3, 4, 6, 12

Factors of 30: 1, 2, 3, 5, 6, 10, 30

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