I'm assuming that the lower case c and the upper case C are the same variables.
6C^2 + 2.5D - D + 2C^2 - 3D = 8C^2 - 1.5D
Answer:
Washing Powder
Step-by-step explanation:
Cost less and cleans better.
1. y=7-3x
4x+2(7-3x)=16
4x+14-6x=16
-2x=2
x=-1
-3+y=7
y=10
(-1,10)
2. x=2y
2(2y)+2y=4
4y+2y=4
6y=4
y=2/3
x-2(2/3)=0
x-4/3=0
x=4/3
(4/3,2/3)
Closer to 2. If you round it, because the number after the 2 is less than 5 you round it down so it's closer to 2
Answer:
The answer is 40 and I calculated it, it’s true
Step-by-step explanation:
I promise