Your answer is 30.
If the algebra tiles were rearranged into a different shape, how would the area change?
1 answer:
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Answer:
(i) Approximately 3 half lifes
(ii)
Step-by-step explanation:
(i) ∵ The half life of Radon-222 is approximately 3.8 days,
So, the number of half life in 11.46 days = ≈ 3
(ii) Since, the half life formula is,
Where,
= initial quantity,
t = number of periods
= half life of the quantity,
Given,
N =
t = 11.46 days,
z = 8 + 6x - px Subtract 8 from both sides
z - 8 = 6x - px Factor the x out of 6x - px
z - 8 = x (6 - p) Divide both sides by (6 - p)
= x Switch the sides to make it easier to read
x = <span> </span>
z - 8 = 6x - px Factor the x out of 6x - px
z - 8 = x (6 - p) Divide both sides by (6 - p)
x = <span>