Find the angle between the pair of vectors to the nearest tenth of a degree.8i + 2j, -6i + 3j
A. 140.4°
B. 141.0°
C. 167.5°
D. 139.4°
Answer: D
Mathematics
You might also like to view...
Determine whether f and g are inverses by determining whether 
and 
f(x) = 
, g(x) = -7x + 4
A. Yes B. No
Mathematics
Multiply and simplify.
? 
A. 
B. 
C. 
D. 120xy
Mathematics
A bus company operates four bus routes (A, B, C, and D) and 100 buses. The buses are apportioned among the routes on the basis of average number of daily passengers per route which is given in the following table.
The standard divisor is
A. 1000. B. 100,000. C. 10,000. D. 100. E. none of these
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. - 2a2b 
B. 2ab 
C. 2 
D. 2ab 
Mathematics