Answer:
Given equation: 
when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;
∵8 is the value 
Notice that, we add this both sides so that it maintains the equality.
then;
[ 
]
Simplify:
The number must be added to complete the square is, 
Answer:
withhhhhhhhhtttttt whaaaaaaaaaaatttttttttttt??????????????????
Step-by-step explanation:
35x -10y=-120
10x +10y= 30
45x=-90
x=-2
5(-2)+5y=15
-10+5y=15
5y=25
y=5
(-2,5): the answer is b
Answer:
128kg
Step-by-step explanation:
I don't know how to explain it here the answer
Answer:56%
Step-by-step explanation:
