Solve the equation.1 - 
- 
= 0
A. {10, 2}
B. {-10, 2}
C. {10, -2}
D. {-10, -2}
Answer: C
Mathematics
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Solve the problem.Use the formula N = Iekt, where N is the number of items at time t, I is the initial amount, and k is a growth constant equal to the percent of growth (expressed in decimal form) per unit of time. How long will it take for the population of a certain country to double if its annual growth rate is 6.9%? Round to the nearest year.
A. 1 yr B. 4 yr C. 29 yr D. 10 yr
Mathematics
Solve the radical equation. Check all proposed solutions.
= 1 + 
A. x = 0, 
B. x = 0, 196
C. x = 0, 144
D. x = 0, 256
Mathematics
Find the missing angle measure.
A. 98° B. 196° C. 26° D. 16°
Mathematics
Simplify.4 × 0.8 + 1.1 ÷ 2 - 0.62
A. 3.39 B. 10.59 C. 6.49 D. 1.69
Mathematics