The answer is: if x represents the number of pencils per box, solve the equation 8x+4=196
Answer:
-13
-10
Step-by-step explanation:
A x = B
To find X
A ^ -1 A x = A ^ -1 B
x = A^ -1 B
x = -3/2 -5/2 2
-1 -2 4
Across times down
-3/2 * 2 + -5/2 *4 = -13
-1 *2 -2 * 4 = -10
The matrix is
-13
-10
Answer: 4
Step-by-step explanation:
Perpendicular lines have reciprocal slopes
❀ ❀
＼ ❀
＼ ❀ ❀
l l
✿ Spring ✿
