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lara [203]
3 years ago
12

They r similar solve for n

Mathematics
1 answer:
a_sh-v [17]3 years ago
8 0

Answer:

n = 6

Step-by-step explanation:

As they are similar, the ratios of their side must be similar as well

9 / 10.5 = n / 7

n = 9(7)/10.5 = 6

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Answer:

time period is 260.57 years

Step-by-step explanation:

given data

growth rate = 3.4 % = 0.034

population = 4118000

area  P = 29000000000 square yard

to find out

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solution

we will apply here population growth formula that is

total population P  = initial population × e^{rt}    ..............1

here r is rate of growth and t is time period and

we consider here initial population is current population

so put value in equation 1 to get t

29000000000 = 4118000 × e^{0.034t}

take ln both side

ln 7042.25 = ln e^{0.034t}

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so time period is 260.57 years

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