Answer:
C. 3x+6y=9 and-2x-4y=4
Step-by-step explanation:
Given
Steps:
The attachment completes the question
(a): -2x+4y=4 and -3x+6y=6
Multiply by 2:
Multiply by 3:
Add together
B. 3x+y=12 and -3x+6y=6
Multiply by 2:
Multiply by 3:
Add together:
C. 3x+6y=9 and-2x-4y=4
Multiply by 2:
Multiply by 3:
Add together:
This is the equation the student could have used because 0 = 30 means the equation has no solution.
Answer:
36
Step-by-step explanation:
14+6+16
Answer:
The independent is the weight of all the people already on the elevator and the dependent variable is the weight of the elevator after you get on.
Answer:
I'm not completely sure, but I believe it is $228.57
Step-by-step explanation:
sorry if it's wrong, have a nice day
Answer: (p/5) + 30
Step-by-step explanation:
We are dividing the parking amount they had to pay by the 5 friends since they are splitting the amount they pay. Then we are adding 30 because that is how much each friend is paying.