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DochEvi [55]
3 years ago
11

Please solve for X and Y. -7x-9y= -18 -2x-7y= 17

Mathematics
1 answer:
Musya8 [376]3 years ago
8 0

Answer:

Step-by-step explanation:

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Given a mean of 43.8 and a standard deviation of 8.7, what is the z-score of the value 40 rounded to the nearest tenth?
rewona [7]
For the answer to the question above, 
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I hope my answer helped you.
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3 years ago
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