Express the sum or difference as a product.sin 2x - sin 4x
A. 2 sin 3x cos x
B. 2 cos 2x cos 3x
C. -2 sin x cos 3x
D. -2 sin x
Answer: C
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Solve the absolute value equation.|5x + 4| + 9 = 11
A. x = - 
, - 
B. x = 
, 
C. x = - 
, - 
D. no solution
Suppose 500 coins are tossed. Using the normal curve approximation to the binomial distribution, find the probability of the indicated results.More than 262 heads
A. .131 B. .142 C. .871 D. .129
Solve the problem.Three shrimp boats supply the shrimp wholesalers on Hilton Head with fresh catch. The Annabelle takes 50% of its catch to Hudson's, 20% to Captain J's, and 30% to Mainstreet. The Curly Q takes 40% of its catch to Hudson's, 40% to Captain J's, and 20% to Mainstreet. The SloJoe takes 30% of its catch to Hudson's, 40% to Captain J's, and 30% to Mainstreet. One week Hudson's received 239.9 pounds of shrimp, Captain J's received 213.2 pounds, and Mainstreet received 156.9 pounds. How many pounds of shrimp did each boat catch?
A. Annabelle 261 lbs, Curly Q 195 lbs, SloJoe 154 lbs B. Annabelle 154 lbs, Curly Q 261 lbs, SloJoe 195 lbs C. Annabelle 195 lbs, Curly Q 154 lbs, SloJoe 261 lbs D. Annabelle 195 lbs, Curly Q 261 lbs, SloJoe 154 lbs
Solve the equation using the quadratic formula. Simplify irrational solutions, if possible.x2 + 8x - 5 = 0
A. {-4 ± 2
}
B. {4 ± 
}
C. {-1 ± 
}
D. {-4 ± 
}