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3 years ago

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If the height and base of the parallelogram shown are each increased by 1 cm, what is the area of the new parallelogram? A paral

lelogram with a base of 5 centimeters and a height of 4 centimeters. 12 cm2 22 cm2 30 cm2 40 cm2

2 answers:

Alekssandra [29.7K]3 years ago

7 0

Answer:

<em>Well, Your answer will be is </em><em>30 cm2. </em><em>Because, I did this assignment. </em><em>Good Luck!</em>

lions [1.4K]3 years ago

4 0

Answer:32

Step-by-step explanation:3

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Answer:

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And we are 9% confidence that the true mean for the difference of the population means is given by:

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Step-by-step explanation:

For this problem we have the following data given:

$\bar X_1 = 9$ represent the sample mean for one of the departments

$\bar X_2 = 8$ represent the sample mean for the other department

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$n_2 = 20$ represent the sample size for the second group

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$s_2 =1$ represent the deviation for the second group

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$(\bar X_1 -\bar X_2) \pm t_{\alpha/2} \sqrt{\frac{s^2_1}{n_1}+\frac{s^2_2}{n_2}}$

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And the critical value for this case is $t_{\alpha/2}=2.02$

And replacing we got:

$(9-8) -2.02 \sqrt{\frac{2^2}{25} +\frac{1^2}{20}}= 0.0743$

$(9-8) +2.02 \sqrt{\frac{2^2}{25} +\frac{1^2}{20}}= 1.926$

And we are 9% confidence that the true mean for the difference of the population means is given by:

$0.0743 \leq \mu_1 -\mu_2 \leq 1.926$

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