Find the dot product v ? w.v = 7i - 2j, w = 8i + j
A. 58
B. 54
C. 0
D. -9
Answer: B
Mathematics
You might also like to view...
Solve the problem.The volume V of a given mass of gas varies directly as the temperature T and inversely as the pressure P. If 
when 
and 
, what is the volume when 
and 
?
A. 250.0 in.3 B. 270.0 in.3 C. 260.0 in.3 D. 220.0 in.3
Mathematics
Evaluate.-120
A. 20 B. 1 C. -1 D. -20
Mathematics
Simplify the expression and write the answer without negative exponents.
A. - 
B. - 
C. 
D. 
Mathematics
Solve the system.5x + 5y + z = -92x - 4y - z = -172x + y + 5z = -1
A. ? B. {(-4, 1, 2)} C. {(-4, 2, 1)} D. {(1, 2, -4)}
Mathematics