Kookiexperfect9420
04.08.2019 •
Mathematics
The cost of purchasing a lawn mower and trimmer if mower cost $2 more than twice the cost of the trimmer
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Ответ:
m = 2(t + 2)
m = 2t + 4 (the mower is $4 more than twice the trimmer)
Ответ:
αβ=c/a
α+β=-b/a
α+β=-k/2
-(α+β)²=k
-α²-2αβ-β²=k
-α²-2(1/2)-β²=k
-α²-1-β²=k
Step-by-step explanation: