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USPshnik [31]
3 years ago
10

Can someone help me solve this Please

Mathematics
1 answer:
Dafna1 [17]3 years ago
8 0

9514 1404 393

Answer:

  • 523 grams
  • 52 grams

Step-by-step explanation:

To find the initial amount, put 0 where t is in the formula and do the arithmetic.

  A(0) = 523(1/2)^0 = 523(1) = 523

The initial amount is 523 grams.

__

To find the amount remaining after 100 years, put 100 where t is in the formula and do the arithmetic.

  A(100) = 523(1/2)^(100/30) ≈ 523(0.0992123) ≈ 52

About 52 grams will remain after 100 years.

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This equation is in point-slope form, which is y - b = m(x - a), where m is the slope and (a, b) is a point on the line.


An equation in point-slope form contains the negated forms of the coordinates on its graph. Here we have negative 4 and positive 2. This means the original coordinate contains positive 4 and negative 2. Remember, b is -4 and a is 2, so the point on the line is (-2, 4).


Let's check this by plugging in the coordinate.


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