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ivann1987 [24]
2 years ago
7

The range of which function is (2,infinity)

Mathematics
1 answer:
zysi [14]2 years ago
6 0

Answer: D

Step-by-step explanation: just took the test and got it right

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How would i calculate 1.9 minus 11/12?
Levart [38]

Answer:

59/ 60

Step-by-step explanation:

1.9 can be expressed as 19/10

Thus, our equation becomes

19/10 -11/12.

This becomes (228 -110) / 120

= 118 / 120

Simplify by 2 to get

59/60

4 0
3 years ago
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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
87 = C +52 \\  C = 35

D) Total time elapsed is 10 minutes, new temperature is 84
84 = 35 e^{10\alpha} +52
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

This is approximately 32 minutes before he arrived or about 1:20 AM
3 0
2 years ago
Solve for f<br> −f+2+4f=8−3f
Amiraneli [1.4K]

Answer:

f=1

Step-by-step explanation:

7 0
3 years ago
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<img src="https://tex.z-dn.net/?f=3x%20-%20y%20%3D%2040" id="TexFormula1" title="3x - y = 40" alt="3x - y = 40" align="absmiddle
Solnce55 [7]
X = 40 + y/3 , y R I hope it helps
5 0
3 years ago
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Can someone explain how to do this problem 4(7q+3)
shutvik [7]

Answer:

2 8  +  1 2

Step-by-step explanation:

4 0
3 years ago
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