Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = i - j, w = 4i + 5j
A. 99°
B. 6.3°
C. -6.3°
D. 96.3°
Answer: D
You might also like to view...
Use a proportion to solve the problem.The ratio of a basketball player's completed free throws to attempted free throws is 3 to 8. If she completed 15 free throws, find how many free throws she attempted. Round to the nearest whole number if necessary.
A. 5 free throws B. 40 free throws C. 3 free throws D. 6 free throws
Solve.A caterer must estimate the amount and cost of olives required for a wedding reception involving 175 guests. He estimates that he will need about 4 olives per person for flat breads, and 2 olives per person for cocktails. A supplier sells olives in jars containing 50 olives each for $3.00 per jar. How many jars will he need, and how much should he expect to pay for the olives?
A. 22 jars, $63.00 B. 21 jars, $63.00 C. 19 jars, $61.00 D. 20 jars, $60.00
Find the equation of a line with the given slope and y-intercept.Slope 
, y-intercept (0, 2)
A. y = - 
x - 2
B. y = 
x - 2
C. y = - 
x + 2
D. y = 
x + 2
Evaluate the following expression using a unit circle.sin 
A. 
B. - 
C. - 
D. 