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Anna007 [38]
3 years ago
6

How is a rational number that is not an integer different from a rational number that is an integer?

Mathematics
1 answer:
vladimir1956 [14]3 years ago
6 0
By looking at my notes, comparing and contrasting rational numbers that are integers to rational numbers that aren't is quite simple. Rational numbers are practically almost every single number in the number system. So...rational numbers that aren't integers would be fractions, decimals, and percentages. But rational numbers that are integers are whole numbers, either negative or positive. Hope this helps!
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Vinvika [58]

Answer:

2/13

Step-by-step explanation:

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A lake polluted by bacteria is treated with an antibacterial chemical. Aftertdays, thenumber N of bacteria per milliliter of wat
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Answer:

N(1)=50 is a minimum

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Step-by-step explanation:

<u>Extrema values of functions </u>

If the first and second derivative of a function f exists, then f'(a)=0 will produce values for a called critical points. If a is a critical point and f''(a) is negative, then x=a is a local maximum, if f''(a) is positive, then x=a is a local minimum.  

We are given a function (corrected)

N(t) = 20(t^2-lnt^2)+ 30

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(a)

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20(2t-\frac{2}{t})=0

Simplifying

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(b)

N(1)=20(1^2-2ln1)+ 30

N(1)=50 is a minimum

(c) Since no local maximum can be found, we test for the endpoints. t=1 was already determined as a minimum, we take t=15

(d)

N(15)=20(15^2-2ln15)+ 30

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Step-by-step explanation:


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