2 years ago

Would the inequality symbol flip around or stay the same 2x-3>5

Mathematics

2 answers:

meriva2 years ago

4 0

Answer:

It would stay the same.

Step-by-step explanation:

You only switch it if you are dividing by a negative.

Korolek [52]2 years ago

3 0

Answer:

the result would be 3(3a+5) = 4(7a - 5) + 54

Step-by-step explanation:

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We wish to construct a 90% confidence interval on the mean of a population known to be normally distributed based on a sample of

sergiy2304 [10]

Answer:

Margin of error = 0.773

Step-by-step explanation:

We are given the following information in the question.

Sample size, n = 20

Sample mean = 8

Sample standard deviation = 2

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$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 19 and}~\alpha_{0.10} = \pm 1.729$

Margin of error:

$t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$1.729(\frac{2}{\sqrt{20}} ) = 0.773$

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3 years ago

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Smith cell phone company advertises device for 3 cents per minute plus a monthly fee of $29.95. If sara's phone bill for october

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