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ololo11 [35]
2 years ago
8

If x,y are in inverse proportion then complete the following table x= 42 y=-15 , x=30 y=-----

Mathematics
1 answer:
horrorfan [7]2 years ago
7 0

Answer:

when x=30, y = -21

Step-by-step explanation:

x = k/y

x = 42 y = -15

x = k/y

42 = k/-15

Cross product

42 * -15 = k

-630 = k

k = - 630

Find y when x=30

x = k/y

30 = -630/y

Cross product

30 * y = - 630

30y = - 630

y = - 630/30

y = -21

when x=30, y = -21

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