3 years ago

If element X has 12 protons, how many electrons does it have?

Mathematics

1 answer:

andre [41]3 years ago

6 0

If an element has x protons, it almost always has x electrons at ground state. Thus, your answer is 12.

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vovangra [49]

The cost of the jacket purchased using the System of equation is $46.16

Given the cost prices :

Total cost = $95.11
Cost of shoes = x
Cost of jacket = x - 2.79

We could set up an equation relating the cost of each item to the total Cost :

Total cost = cost of jacket + cost of shoes

95.11 = x - 2.79 + x

95.11 = 2x - 2.79

95.11 + 2.79 = 2x

97.90 = 2x

x = 97.90 / 2

x = 48.95

Cost of jacket = $48.95 - 2.79 = $46.16

Therefore, Cost of jacket is $46.16

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