Solve, finding all solutions in [0°, 360°).3 sin2? - sin ? - 4 = 0
A. 90°
B. 270°
C. 0°
D. 180°
Answer: B
Mathematics
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Solve the problem.The bar graph shows the combined benefits /deficits of a company for six consecutive years.
Find the difference between the Year 3 combined amount and the Year 6 combined amount.
A. -$292,000 B. $292,000 C. $358,000 D. -$358,000
Mathematics
Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 4i + j, w = i - 4j
A. orthogonal B. parallel C. neither
Mathematics
Use the Pythagorean theorem to find the missing side of the right triangle with legs a and b, and hypotenuse c. Approximate values to the nearest tenth when appropriate.a = 28 ft, c = 30 ft
A. 58 ft B. 29 ft C. 10.8 ft D. 116 ft
Mathematics
One zero is given. Find all others.P(x) = 2x3 - 6x2 - 9x - 1; -1
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics