salinasroel22
25.05.2021 •
Mathematics
An artifact was found to have an original amount of carbon- 14 of 12 grams. Approximately how many grams of carbon 14 remaining after 5000 years carbon-14 decays at the rate of -0.00012 g per year
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Ответ:
x = 3
Step-by-step explanation:
Given
4(x - 4) + 6x = 14 ← distribute and simplify left side
4x - 16 + 6x = 14
10x - 16 = 14 ( add 16 to both sides )
10x = 30 ( divide both sides by 10 )
x = 3