IdislikeMaths IdislikeMaths

10-10-2021
Mathematics

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y ∝ 1 √ x If y = 7 when x = 36 find, y when x = 4

Help please

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Аноним Аноним

10-10-2021

Answer:

Yo Rick Astley

Step-by-step explanation:

y ∝ 1 √ x

y = k (1 √ x)

y = 7 when x = 36

7 = k ( 1 / √36)

7 = k (1/6)

k= 7 × 6

k = 42

If x = 4 then,

y = 42 ( 1/√4)

y = 42 ( 1/2)

y= 21

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