Answer:
Step-by-step explanation:

Answer:
0-0 me just joined today and im already at helping hand yay
Step-by-step explanation:
12 would be your anwer
Answer:

Step-by-step explanation:
step 1
Convert mixed numbers to an improper fractions


step 2
we know that
A teacher reviews 9/2 papers per hour
using proportion
Find how many papers will the teacher review in 19/3 hours
Let
x-----> the number of papers



Convert to mixed numbers

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




