Use the partial sum formula to find the partial sum of the given arithmetic sequence.Find 2 + 4 + 6 + 8 + . . ., the sum of the first 60 positive even integers.
A. 3660
B. 3595
C. 3664
D. 3599
Answer: A
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Solve the given system of equations algebraically. x2 - 3y2 = 14x2 + 3y2 = 19
A. x = 2, y = 1; x = 2, y = -1; x = -2, y = 1; x = -2, y = -1 B. x = 1, y = 2; x = -1, y = 2; x = 1, y = -2; x = -1, y = -2 C. x = -1, y = 2; x = 1, y = -2 D. x = 2, y = 1; x = -2, y = -1
Solve the problem.A rocket is fired from a plane flying horizontally at 10,000 feet. The height h (in ft) of the rocket above the plane is given by 
where t is the time (in s) of flight of the rocket. When is the rocket more than 2000 feet above or below the plane?
A. 5 < t < 25 B. t > 33.708 C. 5 < t < 33.708 D. 5 < t < 25, t > 33.708
Solve the problem.Find the surface area of the cube.
A. 390 mm2 B. 25,350 mm2 C. 12,675 mm2 D. 274,625 mm2
Find the date due and the maturity value.
A. Date Due: September 18 Maturity value: $9132.60 B. Date Due: September 18 Maturity value: $9061.73 C. Date due: September 18 Maturity value: $9234.65 D. Date Due: September 19 Maturity value: $9584.36