The variables x and y are directly related. If 6 y = when 21 x = , then which equation below shows the proper algebraic relationship between all values of x and y?

d

step-by-step explanation:

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step-by-step explanation:

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i believe the answer is

(cot2+1)/sec2=cot2

    csc2/sec2=cot2

  (1/sin2)/(1/cos2)=cot2

  (1/sin2)(cos2/1)=cot2

  cos2/sin2=cot2

  (1/tan2)=cot2

  (cot2)=(cot2)

hope this !

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