A=LW and L=W+9 so
A=(W+9)W
A=W^2+9W
W^2+9W-A=0, since A=220
w^2+9w-220=0
w^2+20w-11w-220=0
w(w+20)-11(w+20)=0
(w-11)(w+20)=0
Since w>0
W=11 ft, and since L=W+9
L=20 ft
Answer:
correct answer is -35
Step-by-step explanation:
simplify the expression
Answer: excess demand
Step-by-step explanation: The customer is asking more than the company makes, so that isn't excess supple. Excess supple is when there is people not wanting enough and the producer is making too many.
Answer:
Points T, R and Q are coplanar
Step-by-step explanation:
They are all lying on plane P
The discriminant of this equation is
<em>105
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<em />I hope this helped! :)) Have a blessed day
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