Use the formula for Sn to find the sum of the first five terms of the geometric sequence.3, 
, 
, 
, . . .
A. 
B. 1023
C. 
D. 
Answer: D
Mathematics
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Solve the inequality, and graph the solution set.t2 - 2t - 35 ? 0
A. (-?, -5] ? [7, ?)
B. [-5, 7]
C. (-?, -5]
D. [7, ?)
Mathematics
Factor the trinomial completely, or state that the trinomial is prime.-40x3 - 150x2 - 125x
A. -5(4x2 + 5)(2x + 5) B. x(-20x - 25)(2x + 5) C. -5x(4x + 5)(2x + 5) D. x(4x + 5)(-10x - 25)
Mathematics
Use formulas to find the area of the figure.
A. 14 units2 B. 40 units2 C. 20 units2 D. 100 units2
Mathematics
Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.Six times the sum of a number and 36 decreased by 9 is the same as the difference of three times the number and 15.
A. 6(x + 36) - 9 = 3x - 15 B. 6(x + 36) - 9 = 3(x - 15) C. (6x + 36) - 9 = 3x - 15 D. (6x + 36) - 9 = 15 - 3x
Mathematics