carts66
22.09.2021 •
Mathematics
Which of the spheres of the Earth listed below includes the frozen ice caps?
Biosphere
Hydrosphere
Atmosphere
Lithosphere
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Ответ:
Ответ:
5m-4n=10 / * (-2)
10m-9n=15
-10m+8n=-20
(+)
/ -9n+8n=15+(-20)
-n=15-20
-n=-5
n=5
5m-4*5=10
5m-20=10
5m=10+20
5m=30
m=30:5
m=6
So the correct answer is a (6, 5)