Write a formula for the general term (the nth term) of the geometric sequence.-3, -9, -27, -81, -243, . . .
A. an = -3(3n)
B. an = a1 + 3n
C. an = -3(3)n - 1
D. an = -3(3)n
Answer: C
Mathematics
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Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.
- 0.0756
A. 0.11 B. -0.038 C. -0.0383 D. 0.1129
Mathematics
Use ?, ?, ?, or both ? and ? to make a true statement.{a, b} {z, a, y, b, x, c}
A. ? B. ? and ? C. ? D. ?
Mathematics
Solve the problem.Find two complementary angles such that the measure of the first angle is x°, and the measure of the second angle is (3x - 2)°.
A. 1st angle = 22°; 2nd angle = 64° B. 1st angle = 31°; 2nd angle = 59° C. 1st angle = 23°; 2nd angle = 67° D. 1st angle = 22°; 2nd angle = 68°
Mathematics
Solve the equation.logy13 = 4
A. {41/13}
B. {131/4}
C. {134}
D. 
Mathematics