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3 years ago

12. }(4x - 2) - }(6x + 9) <4 Solve inequality

Mathematics

2 answers:

NemiM [27]3 years ago

6 0

Answer:

x > - 33/14

Step-by-step explanation:

(4x-2) -3(6x + 9) < 4

rewrite/ remove parentheses

4x -2 - 18x - 27 < 4

collect like terms / calculate

-14x - 29 < 4

Move the constant to the right

-14x < 4 + 29

Calculate

-14x < 33

Divide both sides

Solution: x > - 33/14

kolezko [41]3 years ago

3 0

Answer:

^^ he's right the first answer you received was correct

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zhannawk [14.2K]

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Answer:

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Step-by-step explanation:

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3 years ago

Scores on a dental anxiety scale range from 0 (no anxiety) to 20 (extreme anxiety). The scores are normally distributed with a

solniwko [45]

Answer:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

Step-by-step explanation:

The following information is missing in the question:

We have to find z-score for the given score on this dental anxiety scale: 12, 6

We are given the following information in the question:

Mean, μ = 11

Standard Deviation, σ = 4

We are given that the distribution of score is a bell shaped distribution that is a normal distribution.

Formula:

$z_{score} = \displaystyle\frac{x-\mu}{\sigma}$

where x is the given score on this dental anxiety scale.

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3 years ago