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pochemuha
3 years ago
15

The set notation of [-5,16) is?

Mathematics
1 answer:
valentina_108 [34]3 years ago
4 0

Answer: \left\{x | x \in \mathbb{R}, \ -5 \le x < 16\right\}

=======================================================

Explanation:

We have some number x such that x is a real number, so we write that as x \in \mathbb{R} which is saying "x is in the real number set".

The portion -5 \le x < 16 is how x is restricted. This means x can be -5 or larger, but also must be smaller than 16.

This is from the interval notation [-5, 16). The square bracket means we include -5 as part of the interval, but we exclude 16 because of the curved parenthesis.

The curly braces surrounding everything indicates that we have a set of values.

-----------------

Side note:

If x is an integer, then we can get this roster set {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15} showing all of the integers between -5 and 16, including -5 but excluding 16.

Though chances are your teacher will want you to stick to real numbers rather than just integers.

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5 0
3 years ago
5 is the result of 12 more than 3/4 of some number. What is the number?
iragen [17]

5= 12+3/4x, identify x

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3 0
3 years ago
Im running out of time Somebody help me out please ​
kobusy [5.1K]

Answer:

3, 4, and 5

Step-by-step explanation:

To put it simply, 3 + 4 + 5 = 12 and the numbers are consecutive, next to each other.

The method:

The three consecutive numbers could be called x, x + 1, and x + 2 and we know that x + x + 1 + x + 2 = 12

This can be simplified to 3x + 3 = 12. Next, subtract 3 from both sides to get 3x = 9. Now, divide both sides by 3 to get x = 3.

This means that the first number is 3 and the other numbers are 4 (3 + 1) and 5 (3 + 2).

Hope this helps!

8 0
3 years ago
Read 2 more answers
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3 years ago
A Spruce tree was measured three years after sprouting at a height of 3.87 feet. After its sixth year, the tree reached a height
bonufazy [111]
(3,3.87),(6,7.74)
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3 years ago
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