what is the question pls.
can you pls tell me
Answer:
(1,2)
Step-by-step explanation:
x+4y = 9
2x -4y= -6
Add the equations together
x+4y = 9
2x -4y= -6
-------------------
3x +0y = 3
3x=3
Divide by 3
3x/3 = 3/3
x=1
Now find y
x+4y = 9
1 +4y =9
Subtract 1 from each side
4y = 8
Divide by 4
4y/4 = 8/4
y =2
We know that 1 mm=0.01 dm
75 mm=0.75 dm
choice D
I believe the answer is-
a) 80
b) 130
c) 250
Answer:
you
Step-by-step explanation: