Answer: D
Step-by-step explanation:
because its right
Answer:4.75961
Step-by-step explanation:
7.7x0.35=2.695x1.79=<u>4.75961</u>
Yes, because 6/7 is the same as 36/42 and 4/6 is the same as 28/42. It is easy to see that 6/7 is greater than 4/6
You should find that your system doesn't have solutions. This is also confirmed by the fact that the determinant of the matrix of the coefficient of the variables x, y and z is equal to zero.