Answer:
x +0y+0z = 400
-x +y+0z = 150
-8x +0y +z = 250
Step-by-step explanation:
The last column is the solution
The rest of the columns are the coefficients of the variables
x +0y+0z = 400
-x +y+0z = 150
-8x +0y +z = 250
Answer:
<h2>50</h2>
Step-by-step explanation:
Put h = 7 to the expression 5 · (h + 3):

Answer:
Since you state that capitalization is important, then we can see that it is not possible to solve the equation for F.
If that's correct, then the only point of this was that we need to pay attention to symbols when dealing with equations or expressions
Step-by-step explanation:
happy to help have a bless day or night:)
Answer:
EF=4
Step-by-step explanation:
vì diện tích bằng nhau và bằng 28 áp dụng công thức tính diện tích