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kozerog [31]
2 years ago
14

How do I do this I need help right now

Mathematics
1 answer:
kodGreya [7K]2 years ago
6 0
To answer this (specifically the first one) you have to count how many spaces each point moves. (How many spaces up/down does it go? Left/right?) then you put rise (up/down) over run (left/right) and you should get the slope!
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For the differential equation dy/dt=ky, k is a constant, y(0)=24, and y(1)=18. What is the value of k?
Gre4nikov [31]

The equation is separable, so solving it is trivial:

\dfrac{\mathrm dy}{\mathrm dt}=ky\implies\dfrac{\mathrm dy}y=k\,\mathrm dt

Integrating both sides gives

\ln|y|=kt+C\implies y=e^{kt+C}=Ce^{kt}

Given y(0)=24 and y(1)=18, we find

24=C

18=Ce^k=24e^k\implies e^k=\dfrac34\implies k=ln\dfrac34

so the answer is E.

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3 years ago
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Aleksandr [31]
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Just pick two points from the chart and plug them in and that is your rate of change
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3 years ago
-2/9 - (-1/3 divided 3/5)<br> PLEASE HURRYY
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Answer:

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Step-by-step explanation:

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