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postnew [5]
3 years ago
11

Please help me out thanks

Mathematics
1 answer:
max2010maxim [7]3 years ago
8 0
It’s D using substitution
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Answer:

The value of the quantity after 87 months will be of 599.64.

Step-by-step explanation:

A quantity with an initial value of 600 decays exponentially at a rate of 0.05% every 6 years.

This means that the quantity, after t periods of 6 years, is given by:

Q(t) = 600(1 - 0.0005)^{t}

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So 87 months is 87/72 = 1.2083 periods of 6 years. So we have to find Q(1.2083).

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