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prohojiy [21]
3 years ago
12

MIDDLE SCHOOL MATH BRAINLEIST AND 5 STARS AS SOON AS YOU ANSWER!!!!!!!! PLEASE HELP AND THANKS SO MUCH IM SUPER GRATEFUL!!!!!!!!

!!!

Mathematics
2 answers:
gladu [14]3 years ago
4 0

Answer:

Bottom prism: 126*11=1386    

Top Prism: 2*45=90

Total volume: 1386+90= 1746 cubic cm

igor_vitrenko [27]3 years ago
3 0
To get the rectangular prism at the top, you do 9x2x5=90

To get the big cube under, you do
126x11=1386

So the first blank is 1386
The second blank is 90
The third blank is 1386+90 or 1476 cubic centimeters.
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Suppose that an internal report submitted to the managers at a bank in Boston showed that with 95 percent confidence, the propor
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Answer:

The sample size used to compute the 95% confidence interval is 1066.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population proportion is:

CI=\hat p\pm z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}

The 95% confidence interval for proportion of the bank's customers who also have accounts at one or more other banks is (0.45, 0.51).

To compute the sample size used we first need to compute the sample proportion value.

The value of sample proportion is:

\hat p=\frac{Upper\ limit+Lower\ limit}{2}=\frac{0.45+0.51}{2}=0.48

Now compute the value of margin of error as follows:

MOE=\frac{Upper\ limit-Lower\ limit}{2}=\frac{0.51-0.45}{2}=0.03

The critical value of <em>z</em> for 95% confidence level is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Compute the value of sample size as follows:

MOE=z_{\alpha/2}\sqrt{\frac{\hat p(1-\hat p)}{n}}\\0.03=1.96\times \sqrt{\frac{0.48(1-0.48)}{n}}\\(\frac{0.03}{1.96})^{2}=\frac{0.48(1-0.48)}{n}\\n=1065.404\\n\approx1066

Thus, the sample size used to compute the 95% confidence interval is 1066.

4 0
3 years ago
Please help i'll fail if i don't pass this will give brainliest!
Veronika [31]

Answer: b^2+h^2=x^2

Step-by-step explanation: The line labeled x here is called the hypotenuse. There are a few ways to calculate the hypotenuse, but the most common way is by using this equation: b^2+h^2=x^2.

I hope this helped! ;) Good luck on your test or quiz or whatever you have to do in order to pass!

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Yes it’s correct my sister had something similar to that :)

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