Find the direction angles of each vector. Round to the nearest degree, if necessary.v = -2i + 4j - 3k
A. ? = 112°, ? = 42°, ? = 124°
B. ? = 115°, ? = 33°, ? = 129°
C. ? = 113°, ? = 40°, ? = 125°
D. ? = 119°, ? = 14°, ? = 137°
Answer: A
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Multiply.0(7)(a ? 6)
A. 0 B. a C. 42a D. 6a
Solve the problem.A town has a population of 2000 people and is increasing by 9% every year. What will the population be at the end of 8 years? Round answer to the nearest whole number.
A. 3656 B. 4344 C. 3440 D. 3985
Find the equation of the quadratic function that has the given vertex and given point on its graph.Vertex: (3, -5) through: (-3, -77)
A. P(x) = -3x2 - 12x + 23 B. P(x) = 2x2 - 12x - 5 C. P(x) = -2x2 - 3x - 5 D. P(x) = -2x2 + 12x - 23
Find the missing value and write a conclusion.100% of what number is 9?
A. 100% of 18 is 9. B. 100% of 1 is 9. C. 100% of 9 is 9. D. 100% of 100 is 9.