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Tanzania [10]
3 years ago
13

114° 33° Х X degrees

Mathematics
1 answer:
Bess [88]3 years ago
6 0

Answer:

Step-by-step explanation:

180-114-33=180-x

33=180-x

-147=-x

x=147 degrees

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The function that represents the mass of the sample after t days is A(t) = 390(0.41)^t.

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Step-by-step explanation:

Exponential amount of decay:

The exponential amount of decay for an amount of a substance after t days is given by:

A(t) = A(0)(1-r)^t

In which A(0) is the initial amount, and r is the decay rate, as a decimal.

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This means, respectively, that r = 0.59, A(0) = 390

So

A(t) = A(0)(1-r)^t

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Hourly rate of change:

Decreases by 59% every day, which means that for 24 hours, the rate of change is of -59%. So

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