melissanbello172 melissanbello172

24-05-2019
Mathematics

contestada

If y varies directly as x and y=4 when x=-2 find y when x=30

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surjithayer10otahza surjithayer10otahza

02-06-2019

Answer:

Step-by-step explanation:

y=kx

4=k(-2)

k=-2

y=-2x

when x=30

y=-2*30=-60

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