There is no solution for the first one
if you eliminate y you get 2 equations
-13x - 13z = -25
-13x - 13x = -15
- there is no solution to theses
a23 means the element in the second row and the 3rd column
so its -5
Answer:
a² + b² = c²
28² + 45² = c²
784 + 2025 = 2809
Square root of 2809 is 53
The hypotenuse is 53
Answer:
Can you clarify the question?
Y=15x+8. because if you have 15 dollars per jersey and u dont know how many jerseys you have, the u have x amount of jerseys. and each order is 8 dollars
