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lianna [129]
3 years ago
14

If a rectangular prism has a volume of 1,890 feet, a height of 15 feet, and a width of 18 feet, what is the length?

Mathematics
1 answer:
balandron [24]3 years ago
5 0

Answer:

7 feet

Step-by-step explanation:

1890/(15*18)=7

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What is the volume of this prism?<br> Enter your answer in the box.
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Long Answer:

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3 years ago
Why are some rational numbers not integers?
Mariana [72]

Answer:

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7 0
2 years ago
An IQ test is designed so that the mean is 100 and the standard deviation is 1414 for the population of normal adults. Find the
Amanda [17]

Answer:

37

Step-by-step explanation:

The first thing is to calculate critical z factor

the alpha and the critical z score for a confidence level of 90% is calculated as follows:

two sided alpha = (100% - 90%) / 200 = 0.05

critical z factor for two sided alpha of .05 is calculated as follows:

critical z factor = z factor for (1 - .05) = z factor for (.95) which through the attached graph becomes:

critical z factor = 2.58

Now we have the following formula:

ME = z * (sd / sqrt (N) ^ (1/2))

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N the sample size and we want to know it, replacing:

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solving for N we have:

N = (2.58 * 14/6) ^ 2

N = 36.24

Which means that the sample size was 37.

5 0
3 years ago
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