becca122253oqqlm9 becca122253oqqlm9

01-11-2017
Mathematics

contestada

The function f (x) varies directly with x and f (x) =90 when x=30
what is f (x) when x=6

2

5

15

18

Respuesta :

rosethetaro rosethetaro

08-11-2017

18

x=30
y=90

90 ÷ 30 =3

y=3x

3 × 6 = 18

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