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Novosadov [1.4K]
3 years ago
15

12 x − 8 y = 24 6 x − y = 21

Mathematics
1 answer:
KATRIN_1 [288]3 years ago
5 0

Answer: x=4

              y=3

Step-by-step explanation:

12x-8y=24

6x-y=21

---------------------

y=6x-21

12x-8(6x-21)=24

12x-48x+168=24

-36x=-144

x=144/36

x=4

y=24-21

y=3

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The table is missing, so i have attached it.

Also, the correct question is;

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Answer:

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Step-by-step explanation:

From the attached table,

Surface area of east china = 1.25 × 10^(6) km²

Surface area of Baltic sea = 4.22 × 10^(5) km² = 0.422 × 10^(6) km²

We are told that the surface area of East China Sea is k times that of the surface area of the Baltic Sea.

Thus;

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