Question

Find the missing entries if x , y are directly proportional ​

Answer 1

Answer:

Answer

x 12 4 b 2 d

y 5 a 6 c 3

x and y vary inversely

x=

y

k

xy= constant

x

1

y

1

=x

2

y

2

=x

3

y

3

=x

4

y

4

=x

5

y

5

⇒12(5)=4a=6b=2c=3d

⇒a=

4

12×5

;b=

6

12×5

;c=

2

12(5)

;d=

3

12(5)

⇒a=15;b=10;c=30;d=20

x 12 4 10 2 20

y 5 15 6 30 3

Step-by-step explanation:

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