(4^9)^5 is equal to 4^45. You multiply 9 and 5 to get 45.
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
Liz attempted to factor 36. Since 36 = 3*12 and not 3+12, this is not the way to go. In stead of factoring 36, she should have split it into a friendly sum, like 36=30+6.
Then Step 1 should have been 27(6+30).
Answer:
0
Step-by-step explanation:
3/2 minus 3/2 is 0, then multiply 0 by 1/6 and you get 0
Answer:
$7.30
Step-by-step explanation:
The problem statement gives rise to two equations:
- 3a +2c = 33.50
- 1a +4c = 30.50
If we double the first equation and subtract the second, we have ...
2(3a +2c) -(1a +4c) = 2(33.50) -(30.50)
5a = 36.50 . . . . simplify
a = 7.30 . . . . . . .divide by 5
The cost of one adult ticket is $7.30.
