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Tamiku [17]
3 years ago
5

A body was found at midnight (12 a.m.) in a warehouse where the temperature was 55F. The medical examiner found the temperature

of the body to be 66F. What was the approximate time of death? Use Newtons law of cooling with k=0.1947
T(t)=TA=(To-TA)e^-kt
Mathematics
2 answers:
Natalija [7]3 years ago
4 0

Answer:

5 pm

Step-by-step explanation:

apex

e-lub [12.9K]3 years ago
3 0
The person had died approximately at 4:55p.m. 
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43

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What is the value of t=1 3(4 x (1/2) t-1)
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In 4 ​hours, an experienced cook prepares enough pies to supply a local​ restaurant's daily order. Another cook prepares the sam
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Answer:

9\frac{1}{3}hours

Step-by-step explanation:

Let third cook take x hours to prepare the same number of  pies y alone

Let y be the number of pies

In 1 hour ,third cook prepare pies=\frac{y}{x}

One experienced cook takes time to prepare enough pies  =4 hours

In 1 hour , cook prepare pies=\frac{y}{4}

Another cook takes time to prepare same number of pies =7 hours

In 1 hour , another cook prepare pies=\frac{y}{7}

All three cooks take time to  prepare the same number of pies=2 hours

In 1 hour,all three cooks  prepare  pies=\frac{y}{2}

According to question

\frac{y}{4}+\frac{y}{7}+\frac{y}{x}=\frac{y}{2}

y(\frac{1}{4}+\frac{1}{7}+\frac{1}{x})=\frac{y}{2}

\frac{1}{4}+\frac{1}{7}+\frac{1}{x}=\frac{1}{2}

\frac{1}{x}=\frac{1}{2}-\frac{1}{4}-\frac{1}{7}

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Hence, the third cook takes time to prepare the same number of pies alone=9\frac{1}{3}hours

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3 years ago
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