Answer:
Simplified: C/2 -4
Step-by-step explanation:
the "/" means fraction
Answer:
Probability that the lifetime of the machine part is less than 13 = 0.6782
Step-by-step explanation:
given that 
Normalizing the function we get





Answer:
90 hours of training would you need to pay
1 : 1.71 : 2.43
Step-by-step explanation:
What divided by 7= 1?
7/7 = 1
So use that answer for the other two dolls.
12/7 = 1.71
17/7 = 2.43
1 : 1.71 : 2.43
Have the same ratio as
7 : 12 : 17