jetblackcap
jetblackcap
14-04-2018
Mathematics
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Pleaseeeeeeeee help me
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Аноним
Аноним
14-04-2018
y varies directly with x
⇒ y = kx where k is a constant.
Find k:
y = 6 when x = 2/3
6 = 2/3 k
k = 6 ÷ 2/3
k = 6 x 3/2
k = 9
Equation:
Equation : y = 9x
Find x:
when y = 12,
12 = 9x
x = 12 ÷ 9
x = 4/3
Answer: 4/3
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