jan has 10 dolla kat has 7 dolls choose yes or no to show if the equation can be used to find how many fewer dolls kat has the j
1 answer:
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Answer:
y =
Step-by-step explanation:
Given that y varies inversely with x then the equation relating them is
y = ← k is the constant of variation
To find k use the condition y = when x =
, thus
=
= 2k ( divide both sides by 2 )
k =
y = ← equation of variation
When x = , then
y = =
=