Solve.x = 2644 + 2530
A. 5137
B. 6174
C. 5174
D. 5074
Answer: C
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Use the general multiplication rule to find the indicated probability.In January in a certain city the unconditional probability of rain on any given day of the month is 0.400. But the probability of rain on a day that follows a rainy day is 0.600 and the probability of rain on a day following a nonrainy day is 0.250. Find the probability of rain on three randomly selected consecutive days in January.
A. 0.064 B. 0.090 C. 0.216 D. 0.144
Determine which region, I through VII, the indicated element belongs.During a special club meeting of the Garden Club, three items were voted on. The votes of nine members are shown in the table that follows. Determine in which region of the Venn diagram the member in question would be placed. The set labeled "Vote 1" represents the set of members who voted "yes" on vote 1, and so on.
Ruiz
A. VI B. I C. II D. IV
Express the product as a sum containing only sines or cosines.sin(2?) sin(4?)
A. 
[- cos(2?) - cos(6?)]
B. 
[cos(6?) - sin(2?)]
C. 
[cos(2?) - cos(6?)]
D. sin2(8?2)
Identify the equation without applying a rotation of axes.4x2 - 7xy + 2y2 + 4x + 3y + 9 = 0
A. hyperbola B. parabola C. ellipse D. not a conic