It is: 3.5 billion
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Square root(7 billion) = 83,666.0027
To determine if 3.5 is half of 7, you can divide 7 by 2, which equals 3.5. This means that 3.5 is indeed half of 7 because when you divide 7 by 2, you get 3.5 as the result. In mathematical terms, 3.5 is half of 7 because 3.5 is half of the value of 7.
According to the projections of the U.S. Census Bureau (http://www.census.gov/ipc/www/idb/worldpop.html), the world's population will surpass 7 billion in 2012.
The algebraic equation for half a number plus 7 can be represented as (1/2)x + 7, where x represents the unknown number. In this equation, the term (1/2)x denotes half of the number, and adding 7 accounts for the additional value. This equation can be used to calculate the result when half of a number is added to 7.
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