Which matrix equation represents the system of linear equations? 3x-9y-Z=-4
-2x + y - 8z = 1
5x + 2y + 2z = 9
-175 x 3
1 1 - 8
y = -2
9 2 2
-4 -9
N
LO
3 -9
-111x
-4
-2
1 - 8
y =
1
B
5
2
2
N
9
x
3 -9
-4
х
-1
-2
1
1 ll y =
8
ir N
2
9
Z
2

9514 1404 393

  B

Step-by-step explanation:

When solving multiple choice problems, a reasonable strategy is to look for ways to identify one answer as good, or other answers as bad.

Here, all of the constant vectors in the equations are different, so we can decide the answer based on that.

The only equation with the correct constant vector is choice B.

_____

The constants in the equations are -4, 1, 9 — the values to the right of the equal sign.

answer: 0+0=0

step-by-step explanation:

that is the only answer that can make 0

so a parallelogram is just like a square base times height. multiply 40 and 39 to get 1560 inches.

a triangle is base times height divided by two. so multiply 7.9 and 5 and then divide it by 2 to get 19.75inches.

the kite can be split into two separate triangles and added together to get the total area. 30 x 4 /2 which equals 60. make sure to double it for the two triangles making 120.