Answer:
D
Step-by-step explanation:
So that you can have an equation equal to zero to solve for x
Answer:
6
Step-by-step explanation:
=11-5=6
therefore =6
Answer:
less than half
Step-by-step explanation:
13/12 - 7/10 = 23/60
Answer:
It is necessary four parameters.
Step-by-step explanation:
Since the augmented matrix of the consistent system has rank equal to three then the number of free variables is (number of unknows)-rank then there are 7-3=4 free variables. This means that are necessary four parameter to specify all solutions.
