An initial investment of $5000 doubles in value in 6.3 years. Assuming continuous compounding, what was the interest rate? Round to the nearest tenth of a percent.
A. 11.0%
B. 4.8%
C. 5.5%
D. 6.3%
E. 100%
Answer: A
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Solve the problem.The strength S of a rectangular wooden beam is proportional to its width times the square of its depth. Find the dimensions of the strongest beam that can be cut from a 
cylindrical log. (Round answers to the nearest tenth.)
A. w = 7.5; d = 10.6 B. w = 8.5; d = 9.6 C. w = 8.5; d = 11.6 D. w = 6.5; d = 11.6
Evaluate the expression for the given replacement values. Write the answer in simplest form.x ÷ y for x = - 
, y = 
A. - 
B. - 
C. 
D. 
Solve the problem. Round to the nearest cent.Bob borrowed $1874 on May 6. The loan, at an interest rate of 6.5%, is for a term of 128 days. Find the date due and the future value for this loan.
A. Sept 11, $1939.59 B. Sept 15, $1954.58 C. Sept 15, $1986.44 D. Sept 11, $1917.31
Determine the given complex number raised to a power and write the answer in rectangular form.(cos 30° + i sin 30°)12
A. i B. 1 C. -i D. -1