2 years ago

3/4 divided by 3/4no calculators allowed they mess everything up so dont

Mathematics

1 answer:

lisabon 2012 [21]2 years ago

8 0

Answer:

or 12/12 but simplified its 1 :)

Hope this helps!

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Step-by-step explanation:

-The exponential decay function is given by the formula:

$P_t=P_oe^{-rt}\\\\$

Given that the half-life is 4 days, we can substitute in the formula to solve the rate of decay for a single half-life:

$P_t=P_oe^{rt}\\\\P_t=0.5P_o\\\\\therefore 0.5=e^{-4r}\\\\-4r=In(0.5)\\\\r=0.17329$

#Since, 1 week has 7 days, 3 weeks is a 21-day period, thus, t=21.

#We substitute and solve for the amount remaining after 21days of decay:

$P_t=P_oe^{-rt}\\\\=75e^{-21\times 0.17329}\\\\=1.97072\\\\\approx1.97 \ oz$

Hence, the amount remaining after 3 weeks of decays is approximately 1.97 ounces

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Read 2 more answers

3/4 divided by 3/4no calculators allowed they mess everything up so dont​

3/4 divided by 3/4no calculators allowed they mess everything up so dont