allieflow5380
25.12.2021 •
Mathematics
The number of international tourist arrivals in Russia in 2012 was 13.5% greater than in 2011. The number of international tourist arrivals in Russia was k million more in 2012 than in 2011. What is the value of k to the nearest integer
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Ответ:
x=3
Step-by-step explanation:
so...
13=x²+4.
start by subtracting 4 from each side to get the numbers on one side.
13-4=, and 4-4=0
now, we just have 9=x².
to undo a square, one must square root. so,
and
now, x=3.