Answer:
x= 12
Step-by-step explanation:
Hope u understood it
<em>"</em><em>PLEASE</em><em> </em><em>MARK</em><em> </em><em>ME</em><em> </em><em>THE</em><em> </em><em>BRAINLIEST</em><em>"</em>
Answer:

Step-by-step explanation:
The required answer is the rate at which Machine A works when the two machines are combined.
Note: the rate of doing work is express as

Hence we can conclude that Machine A working rate is
and machine B working rate is

When the two machine works together, the effective working rate is

The fraction of the work that Machine B will not have complete because of Machine A help is the total work done by machine A
Hence the fraction of work done by A is expressed as


Hence the fraction of the work that Machine B will not have complete because of Machine A help is the total work done by machine A is 
Answer:
7.91
Step-by-step explanation:
I just took the quiz and i got an A
Answer:
James needs to earn 78 more dollars.
Step-by-step explanation:
If you add up all of the money James has earned, (1 + 7 + 14), it equals 22. If you subtract 22 from 100, it equals 78. Therefore James needs to earn 78 more dollars.
Answer:
yes, because when you "raise a number to power" you're multiplying the number by itself, and the power represents how many times you do so.
I hope this answers your question