Answer:
Vertical movement: Move up 3 units
or
Horizontal movement: Move left 3 units
Step-by-step explanation:
If your parent equation is and your child equation is
, then it has vertically moved up 3 units.
If your parent equation is and your child equation is
, then it has moved horizontally left 3 units.
Answer:
Therefore the required ways are =190
Step-by-step explanation:
Combination: Combination is the number of selection of items from a collection of items where the order of selection does not matter.
Total number of smartphones =22
Defective phone = 2
Non defective phone = (22-2) =20
The control inspector randomly test 4 smartphones of which 2 are defective.
Non defective phone = 2
The ways to select 2 non defective phone is
The ways to select 2 defective phone is=
Therefore the required ways are = (190×1) =190