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Licemer1 [7]
2 years ago
14

To make 112112 dozen muffins, a recipe uses 312312 cups of flour. How many cups of flour are needed for every dozen muffins made

?
Mathematics
1 answer:
Mamont248 [21]2 years ago
4 0
312/112= 2.79 cups of flour per dozen
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The point A(4, 2) is reflected over the point (-1,4) and it's image is point B. What
r-ruslan [8.4K]

Answer:

  B = (-6, 6)

Step-by-step explanation:

If M is the midpoint of AB, then ...

  B = 2M - A

  B = 2(-1, 4) -(4, 2) = (-2-4, 8-2)

  B = (-6, 6)

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3 years ago
How can you add eight 6s together so that the total adds up to 750?
katrin2010 [14]

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666 + 66 + 6 + 6 + 6 = 750

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The manager of a grocery store has taken a random sample of 100 customers. The average length of time it took these 100 customer
AlladinOne [14]

Answer:

4-2.326\frac{1}{\sqrt{100}}=3.767    

4+2.326\frac{1}{\sqrt{100}}=4.233    

So on this case the 98% confidence interval would be given by (3.767;4.233)

Step-by-step explanation:

Previous concepts

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=4 represent the sample mean

\mu population mean (variable of interest)

\sigma=1 represent the population standard deviation

n=100 represent the sample size  

Solution to the problem

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

\bar X \pm z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)

Since the Confidence is 0.98 or 98%, the value of \alpha=0.02 and \alpha/2 =0.01, and we can use excel, a calculator or a table to find the critical value. The excel command would be: "=-NORM.INV(0.01,0,1)".And we see that z_{\alpha/2}=2.326

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

4-2.326\frac{1}{\sqrt{100}}=3.767    

4+2.326\frac{1}{\sqrt{100}}=4.233    

So on this case the 98% confidence interval would be given by (3.767;4.233)

   

4 0
3 years ago
3 divided by 11/12 <br> I need the answer ASAP
s344n2d4d5 [400]

36/11

Calculator solves everything

8 0
3 years ago
Hi there can anyone help me with this question please
Umnica [9.8K]
Range is 1 because they all go up by 1
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2 years ago
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