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eimsori [14]
3 years ago
14

(11n - 3n) - n Help plz desperate

Mathematics
2 answers:
Arlecino [84]3 years ago
8 0

Answer: 7n

Step-by-step explanation:

Because....

First Remove the parentheses (a) = a

= 11n - 3n - n

Then add similar elements: 11n - 3n - n = 7n

= 7n

* Hopefully this helps:) Mark me the brainliest:)!!

~ 234483279c20~

luda_lava [24]3 years ago
4 0

7 n hope i help have a good day

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kvv77 [185]
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5 0
2 years ago
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jonny [76]

Answer:

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3 years ago
Which of the following is equivalent to 0.000001?
Sergio039 [100]
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2 years ago
Determine the critical value or values for a one-mean z-test at the 1% significance level if the hypothesis test is right-tailed
kifflom [539]

Answer:

We need to conduct a hypothesis in order to determine if the mean is greater than specified value, the system of hypothesis would be:      

Null hypothesis:\mu \leq \mu_o      

Alternative hypothesis:\mu > \mu_o      

For this case the significance is 1%. So we need to find a critical value in the normal standard distribution who accumulates 0.99 of the area in the left and 0.01 in the right and for this case this critical value is:

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Step-by-step explanation:

Notation

\bar X represent the sample mean

\sigma represent the standard deviation for the population      

n= sample size      

\mu_o represent the value that we want to test    

\alpha represent the significance level for the hypothesis test.    

z would represent the statistic (variable of interest)      

State the null and alternative hypotheses.      

We need to conduct a hypothesis in order to determine if the mean is greater than specified value, the system of hypothesis would be:      

Null hypothesis:\mu \leq \mu_o      

Alternative hypothesis:\mu > \mu_o      

For this case the significance is 1%. So we need to find a critical value in the normal standard distribution who accumulates 0.99 of the area in the left and 0.01 in the right and for this case this critical value is:

z_{crit}= 2.326

3 0
3 years ago
What is the perimiter of ABC with vertices A (-2,9), B(7-3), and c(-2,-3) in the coordinate plane?
Serggg [28]

Answer:

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Perimeter = 15 + 9 + 12 = 36

6 0
3 years ago
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