Find the common ratio r for the given infinite geometric sequence.68, 34, 17, 8.5, 4.25, ...
A. -0.5
B. 4.25
C. 2
D. 0.5
Answer: D
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Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = 9x8 + 4x6 + 9x4 + 5x2 + 8
A. possible: 0 pos, 0 neg
actual: 0 pos, 0 neg
B. possible: 1 pos, 1 neg
actual: 1 pos, 1 neg
C. possible: 1 or 3 pos, 1 neg
actual: 1 pos, 1 neg
D. possible: 1 pos, 1 or 3 neg
actual: 1 pos, 1 neg
Find the measure of the angle described.Find the complement of 75°.
A. 285° B. 105° C. 195° D. 15°
Use a graphing calculator to estimate the solution of the equation to two decimal places.5.97x - 425 = 0
A. {0.01} B. {71.25} C. {71.19} D. {0.02}
Solve the problem.A sum of money amounting to $3.75 consists of dimes and quarters. If there are 27 coins in all, how many are quarters?
A. 20 quarters B. 12 quarters C. 22 quarters D. 7 quarters