Solve the problem.At the end of t years, the future value of an investment of $7000 in an account that pays 7% APR compounded monthly is 
dollars. Assuming no withdrawals or additional deposits, how long will it take for the investment to reach $21,000? Round to three decimal places.
A. 12.592 years
B. 18.888 years
C. 23.610 years
D. 15.740 years
Answer: D
Mathematics
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Write the complex number in polar form. Express the argument ? in degrees, with 0 ? ? ? 360°.7 + 7i
A. 7
(cos 135° + i sin 135°)
B. 7
(cos 225° + i sin 225°)
C. 7
(cos 315° + i sin 315°)
D. 7
(cos 45° + i sin 45°)
Mathematics
Find the sum of the first five terms of the sequence with the following general term.3k
Fill in the blank(s) with the appropriate word(s).
Mathematics
Solve the problem.Which of the following vectors is orthogonal to 20i - 8j?
A. w = 15i - 6j B. w = -10i - 25j C. w = 20i + 4j D. w = 4i + 3j
Mathematics
If the area of a triangle is 30 m2 and the height is 10 m, what is the length of the base?
What will be an ideal response?
Mathematics