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mylen [45]
3 years ago
14

What the solution set of the inequality 15y - 9 < 36

Mathematics
1 answer:
Alika [10]3 years ago
6 0
15y - 9 < 36

15y - 9 + 9 < 36 + 9

15y < 45

15y ÷ 15 < 45 ÷ 15

y < 3

Hope this helps!!
~Kiwi
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You have 8,640 grams of a radioactive kind of cesium. If its half-life is 30 years, how much
Vikki [24]

The mass of cesium left afer 120 years if the original mass of cesium is 8640 with an half-life of 30 years,  is 540 grams.

<h3>What is half-life?</h3>

This can be defined as the time taken for half the amount of a radioactive substance to decay.

To calculate the amount of cesium left after 120 years, we use the formua below.

Formula:

  • R' = R/(2^{T/t})............. Equation 1

Where:

  • R = Original amount of Cesium
  • R' = New amount of cesium
  • T = Total time
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From the question,

Given:

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Substitute these values into equation 1

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Hence, The mass of cesium left afer 120 years is 540 grams.

Learn more about half-life here: brainly.com/question/25750315

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1 year ago
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Ilya [14]

Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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Step-by-step explanation:

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