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disa [49]
3 years ago
8

In my carpenter shop I make 3 legged stools and 4 legged chairs. I looked at my days output and counted 55 legs and 16 seats. Ho

w many stools and how many chairs did I complete that day.
Mathematics
1 answer:
Stells [14]3 years ago
7 0
x-number\ of\ stools\\y-number\ of\ chairs\\\\ \left \{ {{y+x=16} \atop {3x+4y=55}} \right. \\\\From\ first\ equation:\\\\y=16-x\\\\Substract\ to\ second\ equation:\\\\3x+4(16-x)=55\\3x+64-4x=55\\3x-4x=55-64\\-x=-9\\x=9\\\\y=16-9=7\\\\ \left \{ {{y=7} \atop {x=9}} \right.
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pychu [463]

Answer:

Step-by-step explanation:

In the question it’s given that : y=|x| => even if x will be a negative number,y will be positive.

1) -3 ; 3 ; (-3,3)

2) -2 ; 2 ; (-2,2)

3) -1 ; 1 ; (-1,1)

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8 0
3 years ago
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Veseljchak [2.6K]

Answer:

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Step-by-step explanation:

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= 27+54-27-54

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= 0

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= -27+54+27-54

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= 0

For more information comment me !

STAY CONNECTED

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2 years ago
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3 years ago
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