3 years ago

To get an accurate result, a sample size must be

1 answer:

8 0

At least 30 ..................

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vampirchik [111]

Answer:

4 and 12

Step-by-step explanation:

a = young

b = old

b = 3a, a+b =2a+8 => a = 4, b = 12

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makvit [3.9K]

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Nastasia [14]

Answer:

-1

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2-1=1

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Ulleksa [173]

I believe that the missing letter would be E and S which would be in between S and T

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Sever21 [200]

Answer: False.

Step-by-step explanation: The actual mass for a liter of water would be a kilogram, which is 1,000 grams.

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3 years ago

To​ ​ get​ ​ an​ ​ accurate​ ​ result,​ ​ a​ ​ sample​ ​ size​ ​ must​ ​ be