Solve the problem.The number of periods needed to double an investment when a lump sum is invested at 2%, compounded semiannually, is given by n = log1.01 2. Use the change of base formula to find n, rounded to the nearest tenth.
A. 65.7 periods
B. 74.7 periods
C. 69.7 periods
D. 72.7 periods
Answer: C
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Parametric equations and and a parameter interval for the motion of a particle in the xy-plane are given. Identify the particle's path by finding a Cartesian equation for it. Graph the Cartesian equation. Indicate the portion of the graph traced by the particle and the direction of motion.x = 2t + 4, y = 6t + 14, -? ? t ? ?
A. y = 3x + 2; Entire line, from right to left
B. y = 3x - 2; Entire line, from right to left
C. y = 3x + 2; Entire line, from left to right
D. y = 3x - 2; Entire line, from left to right
Find the indicated probability.The table shows the percentage of college students who prefer a given pizza topping.
What is the probability that a randomly selected student prefers cheese toppings? Round to the nearest hundredth.
A. 0.13 B. 0.33 C. 0.34 D. 0.38
Solve the problem.On March 8, you sign a $5000 note with simple interest of 10% for 240 days. You make partial payments of $1300 on May 26 and $2300 on July 31. How much will you owe on the date of maturity?
A. $1611.09 B. $1626.95 C. $1627.77 D. $1621.25
Find the sum of the first n terms of the geometric sequence for the values of a1 and r.n = 6, a1 = -8, r = -4
A. 6552
B. 
C. - 
D. - 10,920