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galben [10]
3 years ago
11

What number is 80% of 90%?​

Mathematics
1 answer:
storchak [24]3 years ago
6 0
Answering so you can mark the other person brainliest
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Assume the exponential growth model ​A(t)equals=Upper A 0 e Superscript ktA0ekt and a world population of 5.95.9 billion in 2006
Whitepunk [10]

Answer:

1.4% is the maximum acceptable annual rate of​ growth such that the population must stay below 24 billion during the next 100​ years.

Step-by-step explanation:

We are given the following in the question:

The exponential growth model ​is given by:

A(t) = A_0e^{kt}

where k is the growth rate, t is time in years and A_0 is constant.

The world population is 5.9 billion in 2006.

Thus, t = 0 for 2006

A_0 = 5.9\text{ billions}

We have to find the maximum acceptable annual rate of​ growth such that the population must stay below 24 billion during the next 100​ years.

Putting these values in the growth model, we have,

24 = 5.9e^{100k}\\\\k = \dfrac{1}{100}\ln \bigg(\dfrac{24}{5.9}\bigg)\\\\k = 0.01403\\k = 0.01403\times 100\% = 1.4\%

1.4% is the maximum acceptable annual rate of​ growth such that the population must stay below 24 billion during the next 100​ years.

8 0
3 years ago
Which statement illustrates the associative property of addition?
Alex73 [517]
I think it’s B because
3 0
3 years ago
Please help with this question
AlladinOne [14]

Answer:

6 years

Step-by-step explanation:

10,000 = 22,400(0.88)^t

4 0
3 years ago
Please solve its URGENT
ZanzabumX [31]

The answer is X= -25


7 0
3 years ago
Is x= -2 a solution to 3x-6=12?
omeli [17]

Answer:

No

Step-by-step explanation:

3x - 6 = 12

3x = 18

x = 6

The only solution of the equation 3x - 6 = 12 is x = 6.

Answer: No

5 0
3 years ago
Read 2 more answers
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