Step-by-step explanation:
1. 10x
2. 1k^2/2k^5
I believe that it's right
Answer:
756
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y=-2x-1
x + y = 11
10x + 5y = 80
Answer: 6.2
Step-by-step explanation: 3.1 = x/2
x/2=3.1
x/2(2)=3.1(2)
x=6.2