3 years ago

This confuses me. Find the table values for y=x^3+x^2-6x

Mathematics

2 answers:

ValentinkaMS [17]3 years ago

6 0

I’m not gonna give it to you but think with your brain and list all prime umbers

xz_007 [3.2K]3 years ago

4 0

You have to plug in the x values into the equation. For example, if you’re looking for the y value of -3, plug -3 in for x (y = (-3)^3 + (-3)^2 - 6(-3)) which equals 0.

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A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t

FinnZ [79.3K]

Answer:

(19229.11 ,20770.89)

Step-by-step explanation:

We are given the following information:

Sample size, n = 17

Sample mean = 20,000 pounds

Sample standard deviation = 1,500 pounds

Confidence level = 95%

Significance level = 5% = 0.05

95% Confidence interval:

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

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 16 and}~\alpha_{0.05} = \pm 2.119$

$20000 \pm 2.119(\displaystyle\frac{1500}{\sqrt{17}} ) = 20000 \pm 770.89 = (19229.11 ,20770.89)$

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3 years ago

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Georgia [21]

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damaskus [11]

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sweet [91]

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Read 2 more answers