Determine the angle between u and v. Give the angle in degrees rounded to the nearest tenth of a degree.u = -i + 6j, v = 3i - 4j
A. 64.3°
B. 152.6°
C. 62.6°
D. 0.9°
Answer: B
You might also like to view...
Plot and label the given points.(4, 2), (6, -6)
What will be an ideal response?
Solve the problem.Find (fg)(x) given f(x) = 3x + 1 and g(x) = 5x2 - 3.
A. 15x3 - 9x2 + 5x - 3 B. 3x3 + 5x2 - 3 C. 15x3 + 5x2 - 9x - 3 D. 15x3 - 3
Solve the problem.A banquet manager decides to charge $43 per person for dinner and $14 for each person who does not show up. If there are places set for 181 people, and if x represents the number of people who do not show up, write an expression for the total revenue of the banquet.
A. R(x) = 
B. R(x) = 43(181 + x) + 14x
C. R(x) = 
D. R(x) = 43(181 - x) + 14x
Use graphical methods to solve the linear programming problem.Suppose an horse feed to be mixed from soybean meal and oats must contain at least 100 lb of protein, 20 lb of fat, and 9 lb of mineral ash. Each 100-lb sack of soybean meal costs $20 and contains 50 lb of protein, 10 lb of fat, and 8 lb of mineral ash. Each 100-lb sack of oats costs $10 and contains 20 lb of protein, 5 lb of fat, and 1 lb of mineral ash. How many sacks of each should be used to satisfy the minimum requirements at minimum cost?
A.
| 2 sacks of soybeans and 0 sacks of oats |
B.
sacks of soybeans and 
sacks of oatsC. 0 sacks of soybeans and 2 sacks of oats
D.
sacks of soybeans and 
sacks of oats