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lys-0071 [83]
2 years ago
6

What’s the next number for 9, 27, 81?

Mathematics
2 answers:
Wewaii [24]2 years ago
6 0

Answer:

9           27             81

18          54            162

Hope that helps

Step-by-step explanation:

scoray [572]2 years ago
5 0
Your answer is going to be 243 because your multiplying by 3
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Please help me with my homework
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A. 5

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Is equation w+ 3√4x=4 linear?
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Since highest degree of the polynomial is 1, equation is Linear :)
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UkoKoshka [18]

|-80|=80

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we use this to find the absolute value...

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3 years ago
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Answer:

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In a simple regression analysis for a given data set, if the null hypothesis β = 0 is rejected, then the null hypothesis ρ = 0 i
kati45 [8]

Answer:

Null hypothesis: \rho =0

Alternative hypothesis: \rho \neq 0

The statistic to check the hypothesis is given by:

t=\frac{r \sqrt{n-2}}{\sqrt{1-r^2}}

And is distributed with n-2 degrees of freedom

And the statistic to check the significance of a coeffcient in a regression is given by:

t_1 = \frac{\hat{\beta_1} -0}{S.E (\hat{\beta_1})}

For this case is importantto remember that t1 and p value for test of slope coefficient is the same test statistic and p value for the correlation test so then the answer would be:

Always

Step-by-step explanation:

In order to test the hypothesis if the correlation coefficient it's significant we have the following hypothesis:

Null hypothesis: \rho =0

Alternative hypothesis: \rho \neq 0

The statistic to check the hypothesis is given by:

t=\frac{r \sqrt{n-2}}{\sqrt{1-r^2}}

And is distributed with n-2 degrees of freedom

And the statistic to check the significance of a coeffcient in a regression is given by:

t_1 = \frac{\hat{\beta_1} -0}{S.E (\hat{\beta_1})}

For this case is importantto remember that t1 and p value for test of slope coefficient is the same test statistic and p value for the correlation test so then the answer would be:

Always

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3 years ago
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