Solve the problem.Find out how long it takes a $3200 investment to double if it is invested at  compounded quarterly. Round to the nearest tenth of a year. Use the formula .

A. 7.6 yr
B. 8 yr
C. 7.8 yr
D. 8.2 yr


Answer: C

Mathematics

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Evaluate.

A. 2 B. -2 C. -1 D. -3

Mathematics

Find the product.(2m3z4)(3m4z2)

A. 6mz7 B. 6mz6 C. 6m7z6 D. 6m7z

Mathematics

Find all real roots of the given equation by using Newton's method. +  =  + 

A. 1.5615528, -1 B. 1.5615528, -1, -2.5615528 C. -1 D. 1.5615528, -2.5615528

Mathematics

Solve the problem.At about what velocity do you enter the water is you jump from a 15 meter cliff? (Use g = 9.8 m/sec2.)

A. -8.5 m/sec B. 17 m/sec C. 2 m/sec D. -17 m/sec

Mathematics