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Greeley [361]
3 years ago
9

What do the double brackets with an x in the middle mean?

Mathematics
1 answer:
borishaifa [10]3 years ago
8 0
That is an absolute value. (the accual magnitude of a numerical number) it look like a v when graphed.
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Now you have
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<u>(.15)0.5 lb peanuts</u>     =     <u>0.075 lb peanuts</u>
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for every pound of 75% mixed nuts you add, you get .75 lb peanuts, how many pounds, x, do you need to add to get the ratio 50 to 100?

<u>0.075 lb peanuts + 0.75x lb peanuts</u><em>       =    <u /></em><u>   50   </u><u>
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cross multiply

(0.075 + .75x) 100 = (0.5 + x) 50
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25x = 17.5
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