Answer:
x = 180 - (31 + 40)
Step-by-step explanation:
x = 180 - (31 + 40)
Answer:
-3x = 7 .
Step-by-step explanation:
-3x - 6 - 1 =
-3x - 7
Hope that helps!
10 pieces of silverware laid in a row if 3 are identical spoons, 4 are identical forks, and 3 are identical knifes
The arrangement of 'm' objects on which 'n' objects are of same kind is 
Given: 10 pieces of silverware so its 10!
3 are identical spoons so its 3!
4 are identical forks so its 4!
and 3 are identical knifes so its 3!
Arrangements made =
= 4200