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Kazeer [188]
3 years ago
5

Sally used 30 cubes to build a rectangular prism that was 5 cubes long. 3 cubes wide, and 2 cubes high. She decided to take apar

t the prism and build another one with the same 30 cubes, but with different dimensions. What dimensions could Sally have used? Justify your answer. *
Mathematics
2 answers:
bekas [8.4K]3 years ago
7 0

Answer:

c

Step-by-step explanation:

cestrela7 [59]3 years ago
5 0

length: 10

width: 3

height: 1

10 x 3 x 1=30

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svetoff [14.1K]

Answer:

n=(\frac{2.58(1000)}{50})^2 =2662.56 \approx 2663

So the answer for this case would be n=2663 rounded up to the nearest integer

Step-by-step explanation:

We have the following info:

ME = 50 margin of error desired

\sigma = 1000 the standard deviation for this case

The margin of error is given by this formula:

ME=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}    (a)

And on this case we have that ME =50 and we are interested in order to find the value of n, if we solve n from equation (a) we got:

n=(\frac{z_{\alpha/2} \sigma}{ME})^2   (b)

The critical value for 99% of confidence interval now can be founded using the normal distribution. The significance is \alpha=0.01. And for this case would be z_{\alpha/2}=2.58, replacing into formula (b) we got:

n=(\frac{2.58(1000)}{50})^2 =2662.56 \approx 2663

So the answer for this case would be n=2663 rounded up to the nearest integer

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3 years ago
Whats up with people and anime?
Liono4ka [1.6K]

Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Please help asap!!!
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