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tester [92]
3 years ago
6

PLS HELP NEED DESPERATELY ALL WORK SHOWN PLS

Mathematics
1 answer:
stich3 [128]3 years ago
5 0

Answer:

yes

Step-by-step explanation:

yes

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You drink a beverage with 120 mg of caffeine. Each hour, the caffeine in your system decreases by about 12%. How long until you
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Answer:

  19.44 hours, about 19 hours 26 minutes

Step-by-step explanation:

The exponential equation that describes your caffeine level can be written as ...

  c(t) = 120·(1 -0.12)^t . . . . where t is in hours and c(t) is in mg

We want to find t for c(t) = 10, so ...

  10 = 120(0.88^t)

  10/120 = 0.88^t . . . . . . . divide by 120

  log(1/12) = t·log(0.88) . . . take logarithms

  t = log(1/12)/log(0.88) ≈ 19.4386

It will take about 19.44 hours, or 19 hours 26 minutes, for the caffeine level in your system to decrease to 10 mg.

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Normally a game is $33.00. But the new edition version is going to be $36.62. This is an increase of what percent.
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