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vichka [17]
3 years ago
11

What is this called, like whats the name of this thing?? {18 ≤ y ≤ 30}

Mathematics
1 answer:
Tpy6a [65]3 years ago
3 0

Answer:

An inequality.

Step-by-step explanation:

This gives the range of values that y can take.

It can equal 18 or be greater than eighteen but it also could be 30 or less than thirty.

WE read the signs starting from y to the left  and to the right.

So y is greater or equal to 18 and less than or equal to 30.

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The set of all numbers less than or equal to -8 or greater than or equal to 2.
tatiyna

The set of all numbers less than or equal to -8 or greater than or equal to 2 is -8 ≥ x ≥ 2. The set is {x∈R|-8 ≥ x ≥ 2}

<h3>The set of numbers</h3>

From the question, we are to write the set of numbers l<u>ess than or equal</u> to -8 or<u> greater than or equal</u> to 2

Let x represent the set of the numbers

If a number is less than or equal to -8

Then,

-8 is greater than or equal to the number

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Hence, the set of all numbers less than or equal to -8 or greater than or equal to 2 is -8 ≥ x ≥ 2. The set is {x∈R|-8 ≥ x ≥ 2}

Learn more on Set of numbers here: brainly.com/question/18667553

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2 years ago
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stepan [7]

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Step-by-step explanation:

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Which of the quadratic functions has the widest graph? y = 0.3x2 y = –4x2
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