13846+8273636
= 8287482
8287482-3763
=8283719
8283719x8273736
=6.8537304^13
Answer:
8
Step-by-step explanation:

Answer:
1 hour and 42.8 minutes
Step-by-step explanation:
To answer this question let's call
while it takes Jenna to clean the gutters
Let's call
while it takes John to clean the gutters
h
h
t = total time
g = job = 1 (clean the gutters)
The speed of each one is:
g/ h
g/h

So:


h
Then, both together paint
of gutters for each hour.
This means that it takes
hours to clean the gutters together
Finally cleaning together takes 1,714 hours or also
1 hour and 42.8 minutes
Answer:
a. 0.75
b. 0.5526
c. 0.1974
Step-by-step explanation:
Probability is typically expressed as a fraction where the numerator is the number of desired outcomes and the denominator is the total number of outcomes. In this case the suitable parts is the desired outcome and the total shipment is the total parts:

The probability the both the first and second part are suitable:

Since the probability of getting a suitable part the first time is 15/20, then there is one less suitable part and one less part overall to choose on the second time, or 14/19.
Lastly, the probability of choosing a suitable part the first time is again 15/20, but the second part not being suitable would be 5/19:
Answer: where is the homework that is needing help