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brilliants [131]
2 years ago
8

NEED NOW PLEASE..........

Mathematics
1 answer:
Arada [10]2 years ago
8 0

Answer: C. -12 - 3 + 9

Step-by-step explanation:

-12 because the fish are 12 m <em>below</em> the ocean.

-3 because the fish swim <em>down</em>.

+9 because the fish swim <em>up</em>.

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Answer:

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Step-by-step explanation:

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<h3>y-y0=k(x-xo)     (1),</h3><h3>where y0 was the initial height at 'x0'th. day, and k is the constant of proportionality.</h3><h3>From equation (1), k could be evaluated as follows:</h3><h3>k=(y-y0)/(x-x0) </h3><h3>From the problem statement, we may determine k by plugging in the given values, e.g. y0= 35, x0=10, y=55, x=20.</h3><h3>Thus,</h3><h3>k=(55-35)/(20-10)=2</h3><h3>Therefore, the model equation becomes</h3><h3>y-35=2(x-10)</h3><h3></h3>

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