In 2009, the life expectancy is about 80 years. Assume that, due to modern advances, life expectancy gains 5.5 years every decad
1 answer:
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The distance between two points on the plane is given by the formula below
Therefore, in our case,
Thus,
Therefore, the answer is sqrt(61)
In general,
Remember that
Therefore,
The value of x will be equal to 2.477.
<h3>What is a logarithm?</h3>The logarithm is the inverse function of exponentiation in mathematics. That is, the logarithm of a given number x is the exponent to which another fixed number, the base b, must be raised in order to obtain that number x.
The given expression will be solved as follows;-
Taking Log on both sides.
(x-2) Log5 = Log 8
( x-2) = Log8 / Log 5
(x - 2) = Log 8 - Log 5
(x - 2 ) = Log 3
x-2 = 0.477
x = 2.477
Therefore the value of x will be equal to 2.477.
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