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Ymorist [56]
3 years ago
13

How would you solve this??

Mathematics
1 answer:
Nataly [62]3 years ago
3 0
I would do this by X times g but first figure out what x is than to did his you have to figure out what what the answer is to what it equals and the answer to that is the same for the first expression than divide the answer by what x is and if it gives you g than that's your answer
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The half life of a substance is defined as the time required for the substance to decrease by half. If the weight of a substance
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the weight of the substance after 28 years is 8 grams.

<h3>How to determine the amount</h3>

We have that the half life of a substance is defined as the time required for the substance to decrease by half

The formula for calculating the half - life of a material is given as;

N(t) = N0 (\frac{1}{2} )^\frac{t}{t^\frac{1}{2} }

Where

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  • t is the time elapsed = 28 years

Substitute into the formula

N(t) = 128 × (0. 5) ^28/ 7

N (t) = 128 × ( 0. 5) ^ 4

N(t) = 128 × 0. 0625

N(t) = 8 grams

Thus, the weight of the substance after 28 years is 8 grams.

Learn more about half life here:

brainly.com/question/26148784

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1 year ago
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9d - 5 = 4d + 35<br> find what d equals.
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3 years ago
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