Answer:
y = 
Step-by-step explanation:
Given that y varies directly as x then the equation relating them is
y = kx ← k is the constant of variation
To find k use the condition y = 7 when x = 3
k =
=
, thus
y =
x ← equation of variation
When x = 7, then
y =
× 7 = 
Answer:
non linear
Step-by-step explanation:
Answer:
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Step-by-step explanation:
Answer:
27 miles
Step-by-step explanation:
1cm is 6 miles,
4.5cm is ?miles
?=6*4.5/1=27
2(x +4)-6(q/9)
The slash represents a division sign.