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andrey2020 [161]
3 years ago
14

Variable y varies directly with variable x, and y = 45 when x = 9.

Mathematics
1 answer:
Alenkasestr [34]3 years ago
4 0
Direct variation means their ratio is a constant
x/y is 9/45=1/5
so when x=2, y=5*2=10
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