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Sedaia [141]
3 years ago
14

PLEASE EXPLAIN IN DETAILS HOW TO SOLVE LINEAR INEQUALITIES. Heres an example problem. Please solve and show your steps/explain.

Mathematics
2 answers:
aliina [53]3 years ago
7 0

Answer:

x \geq -91/2

Step-by-step explanation:

6(x+8) \geq -43 + 4x

Resolving Parenthesis

6x+48 \geq -43 + 4x

Collecting like terms

6x - 4 x \geq -43-48

2x \geq  -91

Dividing both sides by 2

x \geq -91/2

amid [387]3 years ago
5 0

Answer:

x ≥ - 91 / 2

Step-by-step explanation:

In this sample problem, the first thing we want to do is expand the part in parenthesis through the distributive property. This will make the simplification process easier. Another approach would be to divide either side by x + 8, but let's try the first.

Approach 1 : 6(x+8) = 6x + 6  8 = 6x + 48

6x + 48 \geq  - 43+4x - so we have this simplified expression. We now want to isolate x, so let's combine common terms here. Start by subtracting 6x from either side,

48 \geq  - 43-2x - now add 43 to either side,

91\geq -2x - remember that dividing or multiplying a negative value changed the inequality sign. Dividing - 2 on either side, the sign changes to greater than or equal to, with respect to x,

- 91 / 2 \leq x, or in other words x \geq - 91 / 2. This is our solution.

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Answer:

1. Gender - qualitative

2. Age - Quantitative (Discrete)

3. Grade point Average - quantitative (Continuous )

4. Number of courses currently enrolled - quantitative (discreet)

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Step-by-step explanation:

Qualitative variables are those which are non-numeric, usually made up of strings or words. The quantitative variables are numeric, usually composed of digits and numbers.

Discreet variables have a finite or limited number of values which are countable as opposed to continuous variables with a non-finite range and hence, uncountable.

Gender is a qualitative variable as it is composed of non-nemeric labels which could be either Male or Female.

Age - is numeric and hence quantitative, since age is usually expressed in years, hence it is discreet.

Grade point Average is a quantitative and continuous variable due to its numeric nature and the fact that it can take up an infinite number of possible values including decimal values.

Number of courses enrolled is numeric can take a finite number of values, hence, it is discreet.

Enrollment status is qualitative as it is split into :

Part time or full time.

3 0
3 years ago
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7 0
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Answer:

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Answer:

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Step-by-step explanation:

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