What value of x is in the solution set of 9(2x + 1) < 9x – 18? –4 –3 –2 –1
1 answer:
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See the explanation
<h2>Explanation:</h2>Remember you have to provide complete questions in order to get exact answers. Here I'll provide a general explanation, so:
<h3>First.</h3>The slope is:
The y-intercept is:
By using graphing tool, we get the first graph shown below.
<h3>Second.</h3>The slope is:
The y-intercept is:
By using graphing tool, we get the second graph shown below.
<h3>Third.</h3>The slope is:
The y-intercept is:
By using graphing tool, we get the third graph shown below.
<h3>Fourth.</h3>The slope is:
The y-intercept is:
By using graphing tool, we get the fourth graph shown below.
<h2>Learn more:</h2>Linear inequalities: brainly.com/question/12984296
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Answer:
The 99% confidence interval is
Step-by-step explanation:
From the question we are told that
The sample size is n = 100
The sample mean is
The population standard deviation is
From the question we are told the confidence level is 99% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the margin of error is mathematically represented as
=>
Generally 95% confidence interval is mathematically represented as
=>
=>