Find an equation of variation where y varies directly as x and y = 440 when x =60.?

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Find an equation of variation where y varies directly as x and y = 440 when x =60.?

Find an equation of variation where y varies directly as x and y = 440 when x =60.

The equation of variation is y=____

2007-05-11 20:10:20 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

4 answers

y/x = 440/60
60y = 440x
y = 440x/60
y = 7 1/3x

2007-05-11 20:18:08 · answer #1 · answered by detektibgapo 5 · 0⤊ 0⤋

y = mx + c is the form. Since we are not given the value of c, we may assume it is zero. In that case, we have

y = (440/60) x and can simplify it as

y = (22/3) x

2007-05-12 03:20:43 · answer #2 · answered by Swamy 7 · 0⤊ 0⤋

y = n x
y/x = n = 440/60 = 22/3

so y = 22/3 x

2007-05-12 03:35:41 · answer #3 · answered by Anonymous · 0⤊ 0⤋

y=(22/3)x

2007-05-12 03:16:40 · answer #4 · answered by bruinfan 7 · 0⤊ 0⤋