A firm advertises for workers to address envelopes. Priscilla says she will work 100 hours. Herb will work for 80 hours. If each
1 answer:
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Answer:
No, it is incorrect.
Step-by-step explanation:
The quadratic equation is
or
. To complete square we take the coefficient of x divided by 2, square that value and add the result to both sides. In the equation given the number to do the process is 20, not 6, then the solution method is incorect.
We're looking for 
such that
so for some integer
we can write
Apply Euclid's algorithm:
From this we have
which means 307 is the inverse of 43 modulo 660.
so for some integer
Apply Euclid's algorithm:
From this we have
which means 307 is the inverse of 43 modulo 660.