Solve the problem.If $3500 is invested in an account that pays interest compounded continuously, how long will it take to grow to $10,500 at 9%?
A. 15.1 yr
B. 8.0 yr
C. 12.2 yr
D. 9.9 yr
Answer: C
Mathematics
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Provide an appropriate response.Find all complex square roots of z = 2
. Write each root in rectangular form.
A. 
+ 
i, - 
- 
i
B. 
+ 
i, - 
- 
i
C. 
- 
i, - 
+ 
i
D. 6 - 2i, -6 - 2i
Mathematics
Find the midpoint of the line segment joining the two points.
and 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A rectangular enclosure must have an area of at least 2800 yd2. If 220 yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 40 ? w ? 55 B. 0 ? w ? 40 C. 55 ? w ? 70 D. 40 ? w ? 70
Mathematics
Simplify.-20 - 5 + 12
A. -27 B. 27 C. -13 D. -3
Mathematics