jr928718
19.03.2021 •
Mathematics
Can anyone please help with this?
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Ответ:
see explanation
Step-by-step explanation:
Find AC
AC = AD + DC = 3y + 4x
(i)
AE =
AC = 
(3y + 4x) = 
y + 2x
(ii)
CB = - AD = - 3y
Ответ:
y = 10x - 30
Step-by-step explanation:
x = 5
5 x 10 = 50
50 - 30 = 20
y = 20
x = 6
6 x 10 = 60
60 - 30 = 30
y = 30
x = 7
7 x 10 = 70
70 - 30 = 40
y = 40
x = 8
8 x 10 = 80
80 - 30 = 50
y = 50