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White raven [17]
4 years ago
11

Please help me with this

Chemistry
2 answers:
faust18 [17]4 years ago
7 0
I think it is 10x+9 this would be good
Lady bird [3.3K]4 years ago
4 0
10cm*12cm=120cm^2
8cm*10cm=80cm^2
80/2= 40 cm^2
120+40= 160cm^2
It’s 160cm^2
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