1 answer:
Step-by-step explanation:
from (2)
x-y=2
y=x-2 (3)
subs (3) into (1)
x²-2x+(x-2)=8
x²-2x+X-10=0
x²+x-10=0
quadratic formula
x= (-1±√1²-4×1×(-10))/2(1)
X=( -1±√41)/2
X=(-1+√41)/2
=
x=(-1-√41)/2
=
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Step-by-step explanation:
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True.
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Step-by-step explanation:
61/66=0.9242 So in % that is %92.42
