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Natasha2012 [34]
3 years ago
7

Help fast!

Mathematics
1 answer:
andrezito [222]3 years ago
7 0
The answer is C because the equations become true.
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Please answer correctly !!!!! Will mark Brianliest !!!!!!!!!!!!!!
Hoochie [10]

Answer:

c

Step-by-step explanation:

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a 23 gram sample of a substance thats a by-product of fireworks has a K-value of .13. whats the substances half life in days
nata0808 [166]
Given:
Initial mass, m₀ = 23 g
Decay constant, k = 0.13

Exponential decay obeys the equation
m(t)=m_{0} e^{-kt}
where t = time, days

For half life, the mass is m = m₀/2.
Therefore
e^{-0.13t} = \frac{1}{2} \\ -0.13t = ln(0.5)\\t= \frac{ln(0.5)}{-0.13} =5.33

Answer: The half life is 5.33 days
3 0
3 years ago
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liubo4ka [24]

Answer:

Step-by-step explanation:

the quotient of is the result of dividing two terms

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The second term is - and 12: 12 2t÷12or 2t12

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zavuch27 [327]
C is your correct answer. Good luck.
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