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stepan [7]
1 year ago
13

Ms. Morgan is the cafeteria manager. She keeps track of how many students select each type of drink. Today during breakfast, 32

children picked milk while 44 children picked juice. What is the ratio of the numbe of children who picked juice to those who picked milk?
Mathematics
1 answer:
blsea [12.9K]1 year ago
6 0

Answer:

ratio of those who picked juice to milk

it refers to division

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Let A = R−{0}, the set of all nonzero real numbers, and consider the following relations on A × A. Decide in each case whether R
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Answer:

Step-by-step explanation:

Let A = R−{0}, the set of all nonzero real numbers, and consider the following relations on A × A.

Given that (a,b) R (c,d) if ad=bc

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\left[\begin{array}{ccc}a&b\\c&d\end{array}\right] =0

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Download docx
5 0
3 years ago
Using Newton's Law of Cooling. You are a medical examiner called to an abandoned house in which a dead body has been discovered.
Artyom0805 [142]
A) The differential equation comes from the fact that the rate of temperature change is proportional to the difference in temperatures.
\frac{dT}{dt} = \alpha(T -52)

B) Find general solution by separating variables and integrating\int\frac{dT}{T-52} = \alpha \int dt   \\  ln (T-52) = \alpha t + C  \\  T = C e^{\alpha t} +52:


C) Initial condition is t=0, T = 87
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D) Total time elapsed is 10 minutes, new temperature is 84
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solve for alpha
e^{10\alpha} =\frac{32}{35}  \\  \alpha = \frac{ln(32/35)}{10} \\  \alpha = -.00896

E) Temperature function is:
T = 35 e^{-.00896 t} +52
solving for t
t = \frac{ln (\frac{T-52}{35})}{-.00896}
Plug in T = 98.6
t = -31.95

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Serggg [28]

Answer:

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