Answer:
Below.
Step-by-step explanation:
The distributive property:
3(x + 4)
= 3*x + 3*4
= 3x + 12.
You are ' distributing 3 over the parentheses'
Answer:
The percent
Step-by-step explanation:
She got a 9% grade
and there asking you
the number of points
might be wrong but :)
I think the answer could be C
Answer:
It is a singular matrix system.
Step-by-step explanation:
A column of all zeros in a matrices says that the variable associated with that column has no effect on the output.
For example If the first column of a matrix consists of zeros, this means that the coefficient of the first variable is zero in every equation in the system . This means that if there is any solution at all, then there must be an infinite number of them, since you can set that first variable to any value at all and still satisfy all of the equations.
