Determine whether the following is always true or not always true. Given reasons for your answers.(u × v) ? v = u ? (u × v)
What will be an ideal response?
Not always true; The statement is false if u ? v.
You might also like to view...
Find the potential function f for the field F.F = - 
i + 
j - 
k
A. f(x, y, z) = 
- 
+ 
+ C
B. f(x, y, z) = 
+ C
C. f(x, y, z)= ln 
+ C
D. f(x, y, z) = ln (y - x - z) + C
Determine if the two fractions are equivalent.
and 
A. equivalent B. not equivalent
Solve the problem.The minimum length L of a highway sag curve can be computed by L = 
,where ?1 is the downhill grade in degrees (?1 < 0°), ?2 is the uphill grade in degrees (?2 > 0°), S is the safe stopping distance for a given speed limit, h is the height of the headlights, and ? is the alignment of the headlights in degrees. Compute L for a 55-mph speed limit, where 
alt="" style="vertical-align: -8.0px;" /> 
and 
Round your answer to the nearest foot.
A. 552 ft
B. 598 ft
C. 566 ft
D. 582 ft
Solve the equation graphically.- 
x - 
= 2Values of - 
x - 
A. -4
B. - 
C. - 2
D. -3