Answer:
144 i multiplied 12x12=144
Step-by-step explanation:
Answer:
y>-15/2x+10
Step-by-step explanation:
15x+2y>20
First step: Move the 15x to the other side by subtracting on both sides. 2y>-15x+20
Second step: Divide everything by 2. y>-15/2x+10
Answer:
G=18
Step-by-step explanation:
George-G
1/3G+G=24
4/3G=24
3/4*4/3G=24*3/4
G=18
George will be 18 years old there we can find his brothers age by dividing it by three thus 18/3=6
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