2 years ago

Tell whether x and y are proportional.

Mathematics

1 answer:

jarptica [38.1K]2 years ago

4 0

Answer:

non-proportional

Step-by-step explanation:

odd and even numbers mixed make it non-proportional

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3 years ago

A forensic detective is called to the scene of a murder at 2 am. When she checks the temperature of the body, she sees that it i

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Newton's Law of cooling is
$T(t)=T_{a}+(T_{0}-T_{a})e^{-0.1947t}$
where
T(t) = temperature of the body after t hours, 80 °F
$T_{a}$ = ambient temperature, 65 °F
$T_{0}$ = normal body temperature, assumed to be 98.6 °F

The elapsed time since death is obtained from
$65+(98.6-65)e^{-0.1947t|} = 80$
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$-0.1947t=ln \frac{15}{33.6}$
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4.142 hours before 2 am is 9:52 pm (the previous day) approximately.

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3 years ago