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bella7524
26.11.2021 •
Mathematics
Find y. Simplify completely.
y
16
25
y = [?]VO
=
Enter the number that belongs in the green box,
Enter
Solved
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Ответ:
19?
Step-by-step explanation:
Ответ:
f (n) = 54 (0.5)^(n-1) is your answer !
step-by-step explanation:
to solve this problem, let us first remember that the formula for this rate is:
rate = f (n) = a (r)^(n-1)
where as,
a = the 1st term
r = fractional rate of evaporation
n = number of terms
now let us calculate for the fraction rate of evaporation, r.
since it is stated that the evaporation is happening at a fixed rate, therefore
we can use any two given f (n) values to find for r. in this case, let us use
when n=1 and 2.
r = 27 / 54
r = 0.5
the first term in the series is when n = 1 and that is:
a = 54
therefore substituting all known values to the equation:
f (n) = 54 (0.5)^(n-1) - this will be your final answer !