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alexandr402 [8]
3 years ago
5

Helpp me please! 20 ch

Mathematics
1 answer:
-Dominant- [34]3 years ago
5 0
V=120, l=8, h=1.5

W = V/hl

W=120/8(1.5) = 10
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Solve the system using elimination: Help me please<br><br><br>12x - 8y = -12 <br><br>6x + 4y = -30
LUCKY_DIMON [66]

12x - 8y = -12  

6x + 4y = -30

Multiply the 2nd equation by 2, to make the Y coefficients opposite:

6x + 4y = -30 x 2 = 12x + 8y = -60

Now add the two equations:

12x -8y = -12 + 12x +8y = -60

=  24x = -72

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x = -72/24

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