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stealth61 [152]
2 years ago
10

The rate at which a certain radioactive isotope decays is given by startfraction d y over d t endfraction = negative 0.0032 y, w

here y is the amount of the isotope after t days. after approximately how many days would the amount of this isotope in a sample reach 75% of its original amount?
Mathematics
1 answer:
AlexFokin [52]2 years ago
4 0
75 because negative is the best friend
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Explain how to determine the zeros of f(x)= (x+3)(x-2)(x-6)
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Answer:

The zeros of f(x)  are -3, 2 , 6

Step-by-step explanation:

f(x) is a polynomial of degree 3.

If the polynomial is not factorized we will either factorize to find the zero or use trial and error method.

Since the f(x) in the question is in the factorized form. we will have to equate each factor to zero.

f(x) = (x+3)(x-2)(x-6)

x + 3 = 0 => x = -3

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