Which of the expressions below is equivalent to 4x^2 / 12x^2-4??
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1 answer:
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Answer:
Slope = -⁵/3
Step-by-step explanation:
See the attachment below. In the attachment, the green line represents the the rise while the red line represents the run of the line.
The slope = rise/run
Rise = 5
Run = 3
Slope = -(5/3)
Slope = -⁵/3 (the slope would be negative because the line slants downwards from your left to the right)
Answer:
The lower limit is 75.04
The upper limit is 78.96
Step-by-step explanation:
From the question we are told that
The sample size is
The sample mean is
The standard deviation is
Given that the confidence level is 95% then the level of significance is mathematically represented as
The critical value for obtained from the normal distribution table is
Generally the margin of error is mathematically represented as
=>
=>
The 95% confidence interval is mathematically represented as
=>
=>