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lukranit [14]
3 years ago
12

In a lake, one-fourth of the water is replaced by clean water every year. Sixteen thousand cubic meters of soluble toxic chemica

l spill takes place in the lake.
How much toxic will be left after 12 years?
When will 80% of the toxin be eliminated?
Mathematics
1 answer:
hodyreva [135]3 years ago
4 0

Answer:

7 sorry if I’m wrong

Step-by-step explanation:

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Answer:

144 cubic inches

Step-by-step explanation:

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Answer:

  (f×g)(2) = 3/4

Step-by-step explanation:

For each of the functions, put 2 where x is and evaluate the expression.

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2 years ago
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VikaD [51]
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8 0
3 years ago
The variables A, B, and C represent polynomials where A=x^2, B=3x+2, and C=x-3. What is AB-C^2 in simplest form?
yuradex [85]

Answer:

AB-C^2 = 3x^3 + x^2 + 9

Step-by-step explanation:

Hi

AB = (x^2)*(3x+2)= 3x^3 + 2x^2

C^2= (x-3)^2 = x^2 - 9

So

AB-C^2 = 3x^3 + 2x^2 - x^2 + 9 = 3x^3 + x^2 + 9

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