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vagabundo [1.1K]
3 years ago
8

Help! What is |-3|+|3| ?

Mathematics
1 answer:
kvv77 [185]3 years ago
6 0
|a|=  \left\{\begin{array}{ccc}a&for\ a\geq0\\-a&for\ a \ \textless \  0\end{array}\right\\\\Examples:\\|2|=2\ because\ 2\geq0\\|0|=0\ because\ 0\geq0\\|-5|=-(-5)=5\ because\ -5 \ \textless \  0\\|-100|=-100\ because\ -100 \ \textless \  0

|-3| + |3| = 3 + 3 = 6
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Given that a jeweler had a fixed amount of gold to make bracelets and necklaces, and the amount of gold in each bracelet is 6 grams and the amount of gold in each necklace is 16 grams, knowing that the jeweler used 178 grams of gold and made 7 more necklaces than bracelets, to determine a system of equations that could be used to determine the number of bracelets made and the number of necklaces made, the following mathematical reasoning should be considered:

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