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Kipish [7]
3 years ago
14

A body was found at 6 a.m. in a warehouse where the temperature was 50°F. The medical examiner found the temperature of the body

to be 66°F. What was the approximate time of death? Use Newton's law of cooling, with k = 0.1947.
T(t)=T[A] + (T[O]-T[A])e^-kt
Mathematics
2 answers:
ankoles [38]3 years ago
6 0
<span>It was at Midnight (12 a.m.) </span>
fenix001 [56]3 years ago
4 0

Answer: 12 a.m.


Step-by-step explanation:


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DeMarco works in a clothing store. He earns a base salary plus 18% commission on his sales.
irina1246 [14]

Answer:

how's

Step-by-step explanation:

how's your day how's your day

8 0
3 years ago
If James can swim 10 laps in 23 minutes, what would be his expected time for 15 laps.(show work please)
Delicious77 [7]
10/23=15/m
(15x23)/10
343/10
34.3

so....
10 laps in 23 minutes
=
15 laps in 34.3 minutes


3 0
3 years ago
Read 2 more answers
What’s the slope of this line?
Tju [1.3M]
The slope of this line is 1







7 0
3 years ago
The function C(h)=(2h^2+5h)/(h^3+8) models the concentration of medication in the bloodstream (as a percent) h hours after its i
salantis [7]

Answer:

  1. h ≥ 0
  2. C = 0; concentration eventually decays to nothing
  3. (0, 0) is the only intercept in the domain. It means the concentration in the bloodstream is zero at the time the drug is injected.
  4. 1.95 hours

Step-by-step explanation:

1. a. The domain of the function in the context of this problem is h ≥ 0. The maximum value of h will correspond to the time at which the concentration is considered to be negligible. If that time is when the concentration decays to 1% of its peak value, then perhaps the suitable domain is 0 ≤ h ≤ 180.

b. The equation of the vertical asymptote of this function is where the denominator of C(h) is zero, that is ...

  h^3 +8 = 0

  h = ∛(-8)

  h = -2 . . . . the equation of the vertical asymptote

This is not a concern for a medical professional because it is outside the domain of the function.

__

2. As h gets large the value of the function approaches 2/h, which is to say the horizontal asymptote is C = 0. It means the concentration of medication in the blood eventually decays to zero.

__

3. C(0) = 0 is the only intercept in the domain of the function. (h, C(h)) = (0, 0)

In the context of this problem, it means the blood concentration of medication is zero at the time of the injection.

__

4. About 1.95 hours after injection, a maximum concentration of the drug occur in the bloodstream. This value is easily found using a graphing calculator.

Taking the derivative of the function gives you ...

  C'(h) = -2(h^4 +5h^3 -16h -20)/(h^3 +8)^2

This has two real zeros and two complex zeros. The positive real zero is near h = 1.94527, about 1.95.

That is, the concentration in the bloodstream reaches a maximum about 1.95 hours after injection into the muscle.

5 0
3 years ago
List the different names and define the characteristics of each angles
Rama09 [41]
An acute angle measures less than 90 degrees, a right angle measures 90 degrees and, obtuse angle measures more than 90 degrees
3 0
3 years ago
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