Solve.The population of a certain country is growing at a rate of 2.3% per year. How long will it take for this country's population to double? Use the formula
which gives the time, t, for a population with growth rate k, to double. Round to the nearest year.
A. 31 yr
B. 32 yr
C. 29 yr
D. 30 yr
Answer: D
Mathematics
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A. y = ,
B. y = - , -
C. y = , -
D. y = - , -
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Simplify the expression by using the order of operations.8 ? - 4(9 - 3)
A. 176 B. 16 C. 64 D. 88
Mathematics
Solve the equation. Check your solution. - 8 =
- 2
A.
B.
C.
D.
Mathematics
Solve the inequality.x2 + 7x + 10 > 0
A. (-?, -5) or (-2, ?) B. (-?, -5) C. (-5, -2) D. (-2, ?)
Mathematics