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GuDViN [60]
3 years ago
6

How much wrapping paper do you need to cover a gift box in the shape of a rectangular prism with the dimensions of 6 inches by 5

inches by 13 inches
Mathematics
1 answer:
Dmitrij [34]3 years ago
7 0

Answer:

The amount of paper wrapped is 346 inch^2

Step-by-step explanation:

we are given rectangular prism

length=l=6 inches

width=w=5 inches

height=h=13 inches

now, we can use surface area formula

SA=2(lw+wh+hl)

now, we can plug values

and we get

SA=2(6\times 5+5\times 13+13\times 6)

SA=346inch^2


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Step-by-step explanation:

well, the arcs WS and ST together are the full half-circle and therefore 180°.

that means

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2 years ago
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4 years ago
a study on the latest fad diet claimed that the amounts of weight lost by all people on this diet had a mean of 20.8 pounds and
NikAS [45]

The standard deviation of the sampling distribution of the sample means is 20.8

What is Sample mean?

A sample is just a small part of a whole. For example, if you work for a polling company and want to know how much people pay for food a year, you aren’t going to want to poll over 300 million people. Instead, you take a fraction of that 300 million (perhaps a thousand people); that fraction is called a sample. The mean is another word for “average.” So in this example, the sample mean would be the average amount those thousand people pay for food a year.

The sample mean is useful because it allows you to estimate what the whole population is doing, without surveying everyone. Let’s say your sample mean for the food example was $2400 per year. The odds are, you would get a very similar figure if you surveyed all 300 million people. So the sample mean is a way of saving a lot of time and money.

Given that,

mean = \mu = 20.8

standard deviation =  σ   =  4.2

n=89

So, The sampling distribution of the sample means is:

\mu\bar x = \mu=20.8

Hence,

The standard deviation of the sampling distribution of the sample means is 20.8

To learn more about Sample mean, visit:

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8 0
1 year ago
Did I do this problem right?
EleoNora [17]

Answer:

I believe that you did the problem right because it looks correct to me.

Step-by-step explanation:

8 0
2 years ago
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