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Temka [501]
3 years ago
10

Can somebody please help me????

Mathematics
1 answer:
BabaBlast [244]3 years ago
6 0
     PV = nRT
     nR     nR
PV/nR = T

            C = Wtc/1000
    1000C = Wtc
        tc          tc
1000C/tc = W
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I need an answer asap please, it’s the last question
swat32
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sattari [20]

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y=-3x-9\qquad(1)\\\\y=\dfrac{1}{3}x-39\qquad(2)\\\\\text{Substitute (1) to (2)}\\\\-3x-9=\dfrac{1}{3}x-39\qquad\text{multiply both sides by 3}\\\\-9x-27=x-117\qquad\text{add 27 to both sides}\\\\-9x=x-90\qquad\text{subtract}\ x\ \text{from both sides}\\\\-10x=-90\qquad\text{divide both sides by (-10)}\\\\x=9

\text{Put the value of x to (1):}\\\\y=-3(9)-9\\\\y=-27-9\\\\y=-36

7 0
3 years ago
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