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lesya [120]
3 years ago
15

Find the difference between y=3x-y=45+3

Mathematics
2 answers:
Anton [14]3 years ago
8 0
I believe it’s also the same as the person who answers :)
Oxana [17]3 years ago
7 0
Pretty sure the answer is 3t26tr <3
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3 years ago
A tank contains 100 gal of brine made by dissolving 80 Ib of salt in water. Pure water runs into the tank at the rate of 4 gal/m
ohaa [14]

Answer:

Step-by-step explanation:

Amount of brine = 100 gal

amount of salt = 80 lb

rate of water running = 4 gal / min

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Rate of salt in = 0

rate of salt out = A x 4 / 100 = A / 25 lb/min

So, dA/dt = 0 - A/25 = - A/25 lb/min

\frac{dA}{A}=-\frac{1}{25}dt

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A(t) = C e^{-0.04t}

When t = 0, A = 80 lb

So,

A(t) = 80 e^{-0.04t}

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40 = 80 e^{-0.04t}

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take log on both the sides

ln 0.5 = - 0.04 t

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8 0
3 years ago
PLZZZZZZZZZ HELP THERE IS JUST THIS ONE AND IM STILL CONFUSED PLZZZ HELPPPP ME REAL QUICK ITS REALLY EASY
RUDIKE [14]
Angle a is 22.62 degrees
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angle b is 67.38 degrees

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3 years ago
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