Answer:
The answer is B.
Step-by-step explanation:
Answer:
x ≥ 20
Step-by-step explanation:
hope this helps!
sub
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since -x^2+x+19=y
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x=-x^2+x+19+80
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x=-x^2+x+99
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</span>
0=-x^2+99
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x^2=99
x=3√11
x=y+80
3√11=y+80
minus 80 both sides
-80+3√11=y
x=3√11
y=-80+3√11
solution
(x,y)
(3√11,-80+3√11)
Answer:
0.857$ (Its really big in answer but This is the average result.
The REAL answer
0.857142857$
