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padilas [110]
3 years ago
15

For the data set 16, 17, 18, 19, 30, the mean is 20. What is the

Mathematics
2 answers:
tekilochka [14]3 years ago
8 0

Answer: the answer is 4

Step-by-step explanation: hope this helps! Have a great day!

torisob [31]3 years ago
6 0

Answer:

4

Step-by-step explanation:

i. d k I just entered the data into calculator

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mamaluj [8]
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3 years ago
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tensa zangetsu [6.8K]

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3 years ago
To factor 9x^2 - 4, you can first rewrite the expression as:
olga2289 [7]

Answer:

  C. (3x)^2 - (2)^2

Step-by-step explanation:

Each of the two terms is a perfect square, so the factorization is that of the difference of squares. Rewriting the expression to ...

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__

We know the factoring of the difference of squares is ...

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so the above-suggested rewrite is useful for identifying 'a' and 'b'.

4 0
4 years ago
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