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zhuklara [117]
2 years ago
14

What is the volume of the shape below?

Mathematics
2 answers:
Pavel [41]2 years ago
8 0
147.
bc you have to multiple base•height•lenght. the base is 7 and the lengh is 3. and the height is 7. so 7•7•3=147
Yakvenalex [24]2 years ago
6 0

Answer:

the answer is 147

Step-by-step explanation: Basicly with volume, you have to time all the sides so it would be 7x7x3, 7 is the heigh, 7 is the length and 3 is the width

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What is the area of the square below?
Irina18 [472]

Answer: The answer is 81

Step-by-step explanation:

because 9x9=81 so u don't multiply the whole square like this

9x9x9x9=36 thats wrong and that was my mistake but yeah it would be 81.

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On the horizontal number line show how you will round 198.78 to the tens place & write the rounded number. Given picture is
harkovskaia [24]
If the three slashes are 190, 195, and 200, we can see it as 
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3 years ago
HELPPPP!!!!!<br><br> Is (how many slices of pizza can you eat) a statistical question?
cluponka [151]

Answer:

no

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3 0
2 years ago
Read 2 more answers
How do you solve 2/3 x- 7= 11 two step equation
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6 0
3 years ago
Determine mu Subscript x overbar and sigma Subscript x overbar from the given parameters of the population and sample size. mu e
Mademuasel [1]

Answer:

\bar x \sim N(\mu_{\bar x}=86, \sigma_{\bar x}=3)

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

The central limit theorem states that "if we have a population with mean μ and standard deviation σ and take sufficiently large random samples from the population with replacement, then the distribution of the sample means will be approximately normally distributed. This will hold true regardless of whether the source population is normal or skewed, provided the sample size is sufficiently large".  

Solution to the problem

Let X the random variable who represents the variable of interest. We know from the problem that the distribution for the random variable X is given by:

X\sim N(\mu =86,\sigma =24)  

We select a sample of size n=64. That represent the sample size.  

From the central limit theorem we know that the distribution for the sample mean \bar X is given by:  

\bar X \sim N(\mu, \frac{\sigma}{\sqrt{n}})  

The mean for the sample distirbution would be given by:

\mu_{\bar x}=86

And the deviation given by:

\sigma_{\bar x} =\frac{24}{\sqrt{64}}=3

And then the distribution for the sample mean is:

\bar x \sim N(\mu_{\bar x}=86, \sigma_{\bar x}=3)

7 0
2 years ago
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