I don’t understand how to do it I’m ver confused

Mathematics

1 answer:

VMariaS [17]3 years ago

4 0

If the green suitcase is 36 pounds and the other suitcase is 10 pounds lighter than 3/4 just find what 3/4 is and subtract 10. Then you have the weight of the Blue suitcase. So the suitcase is 17 pounds. B=3/4G -10 but G =36 so B= 3/4 •36 -10 for the total just add. One is 36. One is 17. 53 pounds for both

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5 grams of chucknorrisidium created, decays at a half-life of 16,000,000 Need 1 gram for experiments. How long before the is 1 g

devlian [24]

Answer:

the time taken for the element to remain 1 gram is 38,400,000 unit.

Step-by-step explanation:

Given;

initial mass, m = 5 g

half life, t = 16,000,000 unit

The time taken for the element to remain 1 gram is calculated as;

mass remaining time

5 g 0

2.5 g 16,000,000

1.25 g 32,000,000

0.625 g 48,000,000

Interpolate to obtain the time at 1 gram;

1.25 g ---------------------------------- 32,000,000

1 g --------------------------------------------- x

0.625 g --------------------------------------- 48,000,000

$\frac{1.25 - 1}{1.25 - 0.625} = \frac{32,000,000 - x}{32,000,000 - 48,000,000} \\\\\frac{0.25}{0.625} = \frac{32,000,000 - x}{-16,000,000} \\\\-4,000,000= 20,000,000 - 0.625x\\\\0.625x = 20,000,000 + 4,000,000\\\\0.625x = 24,000,000\\\\x = \frac{24,000,000}{0.625} \\\\x = 38,400,000$