06-04-2015
Mathematics

Answered

Use a transformation to solve the equation.
k/-4 = - 0.8

A.

k = –3.2

B.

k = –0.2

C.

k = 0.2

D.

k = 3.2

Answer :

princestien princestien

06-04-2015

k/-4 = - 0.8,
make k the subject of the equation by multiplying through by -4,
   this means, (k/-4) x -4 = - 0.8 x -4
   this should give you k = -0.8 x -4, the negatives will cancel out to give you positive values,
   so k= 3.2

your answer is D

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