Answer:
15. 2
16. or 1.6875
17. or 0.5666666667
18. 5
19. or 4.375
20. or 4.4
Step-by-step explanation:
Find common denominators. Multiply then simplify (if possible).
Answer:
C. x+y = 1 and -x-y = -1
Step-by-step explanation:
Remember that if a system of equations has an infinite number of solutions, then the resulting equation from using the first step of the elimination method would have no variables and would be true.
1) Let's try canceling out the equations in option C, x+y =-1 and -x-y =-1. Add the two equations together. (Work shown in attached picture.)
2) All of the terms cancel out with each other, leaving only a true statement of 0 = 0. Thus, option C is the answer.
I believe the slope should be 105. In this situation in particular, 105 stands for the amount of money that is charged for the rent of a house over a period of days. Every day, $105 is added to the rental fee.
I hope this helps! ^^
Answer: y=-x+8
Step-by-step explanation: