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nikitadnepr [17]
3 years ago
5

Maths revision 6 can someone help

Mathematics
1 answer:
Inga [223]3 years ago
6 0

20) 13=2f+5

2f=8

f=4

6x<=3

x<=1/2

-f-5(2f-3)=-f-10f+15=-11f+15

answer B

45+0,15*45=45+6,75=51,75$

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