Answer:
-4
Step-by-step explanation:
Answer:
B. 1 and -2
Explanation:
First, add up the equations:
x-x+3y+y=4
4y=4
y=1
Now, plug y into any of the original equations above and solve for x:
-x+1=3
-x=2
x=-2
Therefore, the answer is B. 1 and -2
Answer:
2,550 dollars hope u get a good grade
Step-by-step explanation:
Hello,
The answer is Its diagonals are congruent. Its diagonals are ⊥ to each other.
I believe you can pick more than 1.
Hope this helps
To solve this problem, there is a very simple trick, once you see it. The first step is to subtract the second equation from the first equation. This gives:
6x + 6y = 60
Multiply by 5/3 to get 10x + 10y
10x + 10y = 60 * 5/3
10x + 10y = 100
