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liberstina [14]
3 years ago
6

Can someone help me with this question?

Mathematics
2 answers:
love history [14]3 years ago
6 0
9 % = 0.09 ≈ 0.1  (round to the nearest tenth)

93 ≈ 90 (round to nearest ten)

9% x 93 ≈ 0.1 x 90 ≈ 1/10 x 90


----------------------------------------------
Answer: 1/10 x 90 (Answer A)
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Anon25 [30]3 years ago
4 0
1/10 x 90  I think that's the answer



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3 pizzas for $ 16.50 what is the unit rate for one pizza
o-na [289]
The answer is 5.50$ you have to divide 16.50/ 3
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A sample of 13 sheets of cardstock is randomly selected and the following thicknesses are measured in millimeters. Give a point
valina [46]
<h3>Answer:  0.061</h3>

===============================================

Explanation:

Add up the values to get

1.96+1.81+1.97+1.83+1.87+1.84+1.85+1.94+1.96+1.81+1.86+1.95+1.89= 24.54

Then divide over 13 (the number of values) to get 24.54/13 = 1.8876923 which is approximate.

So the mean is approximately 1.8876923

---------------------

Now make a spreadsheet as shown below

We have the first column as the x values, which are the original numbers your teacher provided. The second column is of the form (x-M)^2, where M is the mean we computed earlier. We subtract off the mean and square the result.

After we compute that column of (x-M)^2 values, we add them up to get what is shown in the highlighted yellow cell at the bottom of the column.

That sum is approximately 0.04403076924

Next, we divide that over n-1 = 13-1 = 12

0.04403076924 /12 = 0.00366923077

That is the sample variance. Apply the square root to this to get the sample standard deviation. This is the point estimate of the population standard deviation. As the name implies, it works for samples that estimate population parameters.

sqrt(0.00366923077) = 0.06057417576822

This rounds to 0.061 which is the final answer.

5 0
2 years ago
What is -five sixths time six fifths
s2008m [1.1K]

Answer:

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(both sixes get cancelled and the fives also get cancelled to get -1/1 = -1)

8 0
3 years ago
The average weight of a medium size egg is found to be 3.2 oz, with a standard deviation of 0.13 oz. What is the heaviest egg (t
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Answer:

We are 95% confident that the average weight of the heaviest egg that is still medium size is 3.52 oz

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Error margin = t×sd/√n = 4.303×0.13/√3 = 0.32 oz

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3 0
3 years ago
CAN SOMEONE PLEASE HELP ME???<br> ↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓↓∵
nata0808 [166]

Answer:

it is number 3 (-1/5)

Step-by-step explanation:

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