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Tcecarenko [31]
3 years ago
11

Assume that you have a large sample of radioactive atoms, arranged in a rectangular lattice. Imagine that this lattice has some

number of rows and columns, with an atom in each lattice-position.
Now, in this scenario, the atoms do *NOT* decay independently. Instead, each row and column of atoms decays independently. More specifically, imagine that each row of atoms decays as a random variable, independently of all other rows and columns. Say that the probability of any particular row decaying over the course of one hour is 10%. In addition, each column of atoms decays as a random variable, independently of all other rows and columns
Say that the probability of any particular column decaying over the course of one hour is 40%.
Can you make a model for how the total number of atoms decays?
Make a graph/plot of your model, illustrating the amount of radioactive material you expect as a function of time in hours).
Does the total number of atoms decay exponentially?
If so, can you define a decay rate for the total number of atoms?
Mathematics
1 answer:
babunello [35]3 years ago
7 0

Answer:

I dont care

Step-by-step explanation:

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1 1 11<br> - + - + -<br> 4 3 12 = ????
Temka [501]

Answer:

What?

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Randy, Sandy and Todd are my cousins and their combined age is 87 years. Randy is four times as old as Sandy, but Todd is actual
NISA [10]

Answer:

Randy is 48 years old

Sandy is 12 years old

Todd is 27 years old

<em></em>

Step-by-step explanation:

Given

Represent their ages with the first letters of their names:

R + S + T = 87

R = 4 * S

T = 15 + S

Required

Determine their individual ages

We'll solve the above equations using substitution method of simultaneous equations

Substitute 15 + S for T and 4 * S for R in R + S + T = 87

This gives:

4 * S + S + 15 + S = 87

4 S + S + 15 + S = 87

Collect Like Terms

4 S + S + S = 87 - 15

6S = 72

Divide through by 6

S = 72/6

S = 12

<em>This implies that Sandy is 12 years old</em>

Substitute 12 for S in R = 4 * S and  T = 15 + S

R = 4 * 12

R = 48

T = 15 + 12

T = 27

<em>This implies that Randy is 48 years old and Todd is 27</em>

7 0
3 years ago
You are paid $82.50 for 71212 hours of work. What is your rate of pay?
Scilla [17]
$0.001 dollar an hour?
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Cheryl is planting a row of flowers 10ft. Long in her garden.If she plants a flower every 1/3ft. How many flowers can she plant?
Ivanshal [37]
1/3 = 0.33
10 ÷ 0.33 = 30.30
she could plant 30 flowers.
(you can't have .3 of a plant so you get rid of the decimal)
8 0
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UNO [17]
I think c is the answer to ur question
7 0
3 years ago
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