Math, asked by patelzoony, 9 months ago

If y is directly proportional to 1/x and x=2 when y =20,what is the value of x when y=1.25?​

Answers

Answered by tanvigaonkar24
8

Answer:

y is directly proportional to 1/x

xy=k (where k is constant)

so,

for x=2 and y=20

k=xy

k=2×20

k=40-(1)

now,

for y=1.25

k=xy

k=x×1.25

k=1.25x-(2)

from equation (1) & (2)

40=1.25x

40/1.25=x

x=32

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Answered by aryan333333
2

Answer:

Y is directly proportional to 1/x xy=k ( where k is constant) so, for x=2 and y=20 k=xy k=2×20 k=40-(1) now, for y=1.25 k=xy k=x×1.25 k=1.25x-(2)

Step-by-step explanation:

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