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valkas [14]
3 years ago
7

What is the amount of fluoride concentration in water that's considered safe for the prevention of dental decay?

Health
1 answer:
kondaur [170]3 years ago
3 0
7 million particles per gallon 
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As a smart consumer, you are always on the lookout for sales, coupons, and rebates.
NikAS [45]

Answer:

You must buy at least 3 shirts  

Explanation:

10% of 17.99 is 1.799.  

1.799 * 2 = 20% of 17.99  

20% of 17.99 is 3.598 or 3.60  

 

17.99 - 3.60 = price of shirt with 20% discount  

14.39 = price of shirt with 20% discount  

 

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Explanation:

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Is it a problem that the little voice that's supposed to cheer me on, is the one that I have to fight?
iogann1982 [59]

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Maybe, it will only be that if you don't want it to cheer you up.  

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8 0
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Why part of the spine bends and part of it does not?
Akimi4 [234]
The spine bends to reduce and absorb shock when walking, running, jumping, or anything that would put an excessive amount of stress on your spine
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