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cupoosta [38]
3 years ago
14

Is -115.5 rational or irrational

Mathematics
1 answer:
Lady bird [3.3K]3 years ago
4 0

Answer:

Rational

Step-by-step explanation:

A rational number is a number that can be represented a/b where a and b are integers and b is not equal to 0. It is also rational because it can be represented as a ratio between two numbers which is usually not the case in irrational numbers.

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Find two positive numbers whose product is 36 and whose sum is a minimum.
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Let one of the numbers be x. The other number cab then be represented as 36-x (x+36-x = 36).
The product can then be represented as y = x(36-x) or y=36x-x2

The maximum or minimum is always on the axis of symmetry which has the formula x=-b/2a.
In our case, the axis of symmetry is -36/-2, so x=18.

If one number is 18 and the 2 numbers add to 36, the other number is 18 as well.
So the 2 numbers are 18 and 18 and the maximum product is 324,
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Which polynomial function could be represented by the graph below?
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x2 + x – 2=4x

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Step-by-step explanation:

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