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mojhsa [17]
3 years ago
12

A child pool is 3.8 feet wide 5.5 feet long and 1.2 fee deep, what is the volume of the pool?

Mathematics
2 answers:
Anni [7]3 years ago
8 0

Answer:

25.08

Step-by-step explanation:

Ede4ka [16]3 years ago
8 0

Answer:

25.08 cubic feet

Step-by-step explanation:

v = l * w * h

v = 5.5 * 3.8 * 1.2

v = 25.08 cubic feet

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2.7 x 10⁻³

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Step-by-step explanation:

The first digits part should be more or equal 1 and less 10

8 0
3 years ago
Pleas help ASAP.... Thank you
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The answer is (3) 24/26 because Sin is opposite over the hypotenuse so there's how you get 24 over 26
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How would you factor c(m - n) d(m - n)?
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Ab+ac=a(b+c) or
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5 0
3 years ago
Here are summary statistics for randomly selected weights of newborn​ girls: nequals=174174​, x overbarxequals=30.930.9 ​hg, seq
MaRussiya [10]

Answer:

The 95% confidence interval would be given by (29.780;32.020)  

Step-by-step explanation:

A confidence interval is "a range of values that’s likely to include a population value with a certain degree of confidence. It is often expressed a % whereby a population means lies between an upper and lower interval".

The margin of error is the range of values below and above the sample statistic in a confidence interval.

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".

\bar X=30.9 represent the sample mean for the sample  

\mu population mean (variable of interest)

s=7.5 represent the sample standard deviation

n=174 represent the sample size  

The confidence interval for the mean is given by the following formula:

\bar X \pm t_{\alpha/2}\frac{s}{\sqrt{n}}   (1)

In order to calculate the critical value t_{\alpha/2} we need to find first the degrees of freedom, given by:

df=n-1=174-1=173

Since the Confidence is 0.95 or 95%, the value of \alpha=0.05 and \alpha/2 =0.025, and we can use excel, a calculator or a tabel to find the critical value. The excel command would be: "=-T.INV(0.025,173)".And we see that t_{\alpha/2}=1.97, this value is similar to the obtained with the normal standard distribution since the sample size is large to approximate the t distribution with the normal distribution.  

Now we have everything in order to replace into formula (1):

30.9-1.97\frac{7.5}{\sqrt{174}}=29.780    

30.9+1.97\frac{7.5}{\sqrt{174}}=32.020

So on this case the 95% confidence interval would be given by (29.780;32.020)    

The value 29.6 is not contained on the interval calculated.

5 0
3 years ago
Looking at the two, 7<img src="https://tex.z-dn.net/?f=a%5E%7B4%7D%20b%5E%7B2%7D%20c%5E%7B2%7D%20and14abc%5E%7B6%7D" id="TexForm
AlexFokin [52]

Answer:

7abc^{2}

Step-by-step explanation:

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3 years ago
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