v = 
given d = 
multiply both sides of the equation by v, hence
dv = m ( divide both sides by d )
v = 
Answer:
Length of the pieces are 25 and 50 cms.
Step-by-step explanation:
If one piece is x cm long then the other is 75-x cm.
Difference is 25 cm , so:
75 - x - x = 25
-2x = -50
2x = 50
x = 25.
Answer:
B. 10/91
Step-by-step explanation:
Total passwords:
16C4 × 4!
43680
Passwords with exactly one digit:
6C3 × 10C1 × 4!
4800
Probability
4800/43680
10/91