2 years ago

Heyy please answer pleaseeeeee help me

Mathematics

1 answer:

hoa [83]2 years ago

3 0

Answer:

no solution

Step-by-step explanation:

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Forensic scientists use the following law to determine the time of death of accident or murder victims. If T denotes the tempera

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Step-by-step explanation:

Since we have given that

$T=T_0+(T_1-T_0)(0.97)^t$

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T₁ is the body temperature at the time of death = T₁ = 98.6°F

So, we will substitute all the values in the above equation.

$82=67+(98.6-67)(0.97)^t\\\\82-67=31.6(0.97)^t\\\\\dfrac{15}{31.6}=(0.97)^t\\\\0.474683544=(0.97)^t\\\\\text{Taking ln on both sides}\\\\\ln(0.474683544)=t\ln(0.97)\\\\-0.745=t\times -0.030\\\\t=\dfrac{0.745}{0.030}\\\\t=24.83\ hours$

Hence, he was killed 24.83 hours before the body was found.

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