observe the following table and find if is directly proportional to you x 25,20,18,3,23, Y 50,40,36,6,46
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Step-by-step explanation:
i)
40
20
=
34
17
=
28
14
=
22
11
=
16
8
=
10
5
=
4
2
=
2
1
Hence, x and y are directly proportional.
(ii)
4
6
=
8
10
=
12
14
=
16
18
=
20
22
=
24
26
=
28
30
Hence, x and y are not directly proportional.
(iii)
15
5
=
24
8
=
36
12
=
45
15
=
54
18
=
60
20
=
3
1
Hence, x and y are directly proportional.
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