Answer:
0.4444
Step-by-step explanation:
Use the following property to ease the calculation:
P(At least one)=1-P(None)
Total number of electrical components: 9
Number that does not function well :1
Number that functions well : 8
We have 
ways to to choose 4 good components from 8.
We have 
ways to choose 4 components from a total of 9.
If all function properly then none is bad, we 
way to do this.
P(At least one)=
P(At least one)=
P(At least one)=0.4444
6 miles.
3 miles per hour times 2 hours.
3 x 2 = 6.
$3.50×0.8=$2.80
$2.80×0.9=$2.52
The new price is $2.52
Answer:
165
Step-by-step explanation:
since the ticket cost $5.50 per child
so $5.50*30=165
Answer:
-x+3
Step-by-step explanation:
2x^2-5x+3 Square 2x
4x-5x+3 combine like terms
-x+3
Hope this helps
