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3 years ago

What is the mean absolute deviation of the data set?

Mathematics

1 answer:

DiKsa [7]3 years ago

4 0

I think that the answer is 3 , because you

order the numbers from least to greatest

Then divide by how many numbers there are

Next, subtract the number you got which was 24.75 by the numbers

Once you did that with all the numbers, add then up then divide by how many numbers there are (which was 8)

That probably made no sense but I tried

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rusak2 [61]

Answer:

13.89

Step-by-step explanation:

A^2+B^2=C^2

7^2+12^2=C^2

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193 square root = 13.89

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How much salt should Ilya add to 810g of water to make 10% solution? How much solution will he make? Ilya should add __g of salt

Burka [1]

Answer:

90 g of water should be added and he will make 900 g of solution.

Step-by-step explanation:

Let x g be the amount of salt Ilya add to 810g of water to make 10% solution. Then 810+x g is the amount of new solution. Thus,

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x - 10%.

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$\dfrac{810+x}{x}=\dfrac{100}{10},\\ \\10(810+x)=100x,\\ \\8100+10x=100x,\\ \\100x-10x=8100,\\ \\90x=8100,\\ \\x=\dfrac{8100}{90}=90\ g.$

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3 years ago

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Nata [24]

Answer:

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Step-by-step explanation:

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PilotLPTM [1.2K]

Answer:

15 pieces :)

Step-by-step explanation: 30 percent of 50 is 15

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