Use the formula for the sum of the first n terms of a geometric sequence to solve.Find the sum of the first five terms of the geometric sequence: -3, -6, -12, . . . .
A. - 93
B. -21
C. - 31
D. 93
Answer: A
Mathematics
You might also like to view...
Solve the problem.Find the 6th term of the geometric sequence with first term 4 and common ratio -3.
A. 324 B. -2187 C. -72 D. -972
Mathematics
Solve the problem.Ted runs a shoe store. The equation g = n + r expresses the relationship between gross sales (g), net sales (n), and returns (r). What were Ted's net sales if his gross sales were $5600 and his returns were $1600?
A. $4000 B. $1600 C. $5600 D. $4200
Mathematics
Convert.10,560 feet = __ miles
A. 3 B. 2 C. 2.50 D. 52.8
Mathematics
Solve the problem.Write an expression for the area of the larger rectangle below in two different ways.
A. 2y(6y + 36); 12y2 + 72y B. 18(3y + y); 72y C. y(3y + 18); 3y2 + 18y D. 3y(y + 18); 3y2 + 54y
Mathematics