Find the angle between vectors v and w. Round the answer to the nearest tenth of a degree.v = 
, w = 
A. -29.7°
B. 7.1°
C. 119.7°
D. 82.9°
Answer: B
You might also like to view...
Solve the problem.The hydrogen ion concentration of a substance is about 8.7 × 10-7 moles per liter. Find the pH. Round to the nearest tenth. Use the formula pH = -log [H+].
A. 6.5 B. -7.9 C. 6.1 D. 7.9
Find the vertex, focus, and directrix of the parabola.x2 = 8y
A. vertex: (0, 0)
focus: (-2, 0)
directrix: x = 2
B. vertex: (0, 0)
focus: (2, 0)
directrix: x = -2
C. vertex: (0, 0)
focus: (0, 2)
directrix: y = -2
D. vertex: (0, 0)
focus: (0, -2)
directrix: y = 2
Sketch the right triangle and find the length of the side not given. If necessary, approximate the length to the nearest thousandth.leg = 5, leg = 12
A. 2.646 B. 13 C. 10.909 D. 4.123
Use the Principle of Mathematical Induction to show that the statement is true for all natural numbers n.2 + 2 ? 
+ 2 ? 
2 + ... + 2 ? 
n - 1 = 
What will be an ideal response?