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lara31 [8.8K]
3 years ago
10

Which of the following is the definition of a rational number? a number that can be written as a nonterminating or nonrepeating

decimal a number that is divisible by only 1 and itself a number that can be written as a ratio of two integers a number that has a multiplicative inverse
Mathematics
1 answer:
Mazyrski [523]3 years ago
7 0
The answer is <span>a number that can be written as a ratio of two integers. 

I hope this helps!</span>
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Answer:

20,158 cases

Step-by-step explanation:

Let t=0 represent year 2010.

We have been given that since 2010, when 102390 Cases were reported, each year the number of new flu cases decrease to 85% of the prior year.

Since the flu cases decrease to 85% of the prior year, so the flu cases for every next year will be 85% of last year and decay rate is 15%.

We can represent this information in an exponential decay function as:

F(t)=102,390(1-0.15)^t

F(t)=102,390(0.85)^t

To find number of cases in 2020, we will substitute t=10 in our decay function as:

F(10)=102,390(0.85)^{10}

F(10)=102,390(0.1968744043407227)

F(10)=20,157.970260446597\approx 20,158

Therefore, 20,158 cases  will be reported in 2020.

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2 years ago
) at what rate percent per annum will a sum of money double itself in 10 years ? (2 marks)
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Step-by-step explanation:

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Answer:

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