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sergey [27]
2 years ago
10

PLSSSS

Mathematics
2 answers:
Free_Kalibri [48]2 years ago
8 0

Step-by-step explanation:

450cm of water is needed for it to be

Elis [28]2 years ago
7 0

Answer:

If you add 690 ml of water you will obtain 1.690 liter of 70% alcohol. Of course if you halve the amounts, e.g. 0.5 liter 75% alcohol and 345 ml of water, you will also obtain 45% alcohol solution.

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Marta_Voda [28]
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=(x+1)(x^2-9)

=(x+1)(x+3)(x-3)
Hope that this helps
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