The life expectancy E, in years, for a child born t years after 2000 is given by
.
In what birth year would a child have a life expectancy of 78.06 years?
?
A. 2010
B. 2008
C. 2006
D. That life expectancy never occurs.
Answer: B
Mathematics
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Write as a percent.1.596
A. 0.01596% B. 159.6% C. 0.1596% D. 1.596%
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For the given arithmetic series, what is Sn?a1 = 23, d = -3, and n = 15
A. 120 B. 53 C. 60 D. 30
Mathematics
Use < or > for ? to write a true sentence. Draw a number line if necessary.26 ? 31
A. < B. >
Mathematics
Solve the system by the elimination method.2x + 6y = -5-10x - 30y = 25
A. {(3, -5)} B. ? C. {(2, 3)} D. {(x, y)| 2x + 6y = -5}
Mathematics