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soldier1979 [14.2K]
3 years ago
5

What’s the slope for 2,1 and 4,5

Mathematics
1 answer:
kozerog [31]3 years ago
8 0

Answer:

5-1=4        4-2=2                         4/2=2

Step-by-step explanation:

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A 10-pound block of ice melts at a rate of 3% per hour. Find the weight of the block of ice after 1 day.
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Answer:

The weight of the block of ice after 1 day is of 4.81 pounds.

Step-by-step explanation:

Equation for exponential decay:

The equation that models an amount after t hours, subject to exponential decay, 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.

A 10-pound block of ice melts at a rate of 3% per hour.

This means that A(0) = 10, r = 0.03

So

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

A(t) = 10(1 - 0.03)^t

A(t) = 10(0.97)^t

Find the weight of the block of ice after 1 day.

One day has 24 hours, so this is A(24).

A(24) = 10(0.97)^{24} = 4.81

The weight of the block of ice after 1 day is of 4.81 pounds.

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