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ioda
2 years ago
8

The sum of twice a number and 8 is 44. what's the number? show your work.

Mathematics
1 answer:
mezya [45]2 years ago
3 0

Answer:

18

Step-by-step explanation:

We can work backwards with this and take 44-8=36

Then we divide it by two and thats 18

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A radioactive substance decays exponentially: The mass at time t is m(t) = m(0)e^kt, where m(0) is the initial mass and k is a n
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Answer:

mean life = 8264.5 s

Step-by-step explanation:

k = - 0.000121

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Now, the mean life is the life time for which the sample retains.

The mean life is the reciprocal of the decay constant.  

The relation between the mean life and the decay constant is

\tau =\frac{1}{k}\\\\\tau = \frac{1}{0.000121} = 8264.5 seconds

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3 years ago
Select the correct answer.
shutvik [7]

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3

Step-by-step explanation:

6 0
2 years ago
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2 years ago
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Answer:

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3 years ago
Can someone please help me asap!!! I’ll mark brainlist !!
Leni [432]

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