Answer:
x: 23
y: -46
Step-by-step explanation:
so sorry if this is wrong, but i think thats it
Answer:
30*50*40
= 60000
Step-by-step explanation:
yes
Answer: 
Step-by-step explanation:
Knowing the information provided in the exercise, you need to find the Least Common Multiple (L.C.M) in order to solve it.
You can follow these steps:
1- You must descompose 2, 5 and 8 into their prime factors:

2- And finally, you must multiply the commons and non commons with the highest exponent:

Therefore, the answer is: 
Answer:
2.4x - 4.4
Step-by-step explanation:
0.3(4x – 8) – 0.5(–2.4x + 4)
1.2x - 2.4 + 1.2x -2
2.4x - 4.4
Perimeter = x + 5x - 2 + 7x - 4
= 13x - 6 meters answer