Answer:
(i)unique solution
Explanation:
We solve for x1 thus in the first equation:
x1-3x3=-3
x1-9=-3
x1=-3+9
x1= 6
We solve for a thus in the second equation:
2x1+ax2-x3=-2
2+a2-x3=-2
a2-x3=-4
a2=-4+x3
Answer:
5/7 which is option c the correct answer.
Answer:
-1<b<7, or i suppose b.
Step-by-step explanation:
6b<42
b<7
4b+12>8
4b>-4
b>-1
Frist 5 in / 1 over 2 = 2.5
So yes she can do that
Answer:
1/27 is the answer
Step-by-step explanation:
It is 1/(3^3) which is 1/27