Answer:
6.) x = 4
8.) r = 135
Step-by-step explanation:
k as the constant of variation
6.) x = k/y 8 = 16/2 x = k/y
k = xy 8 = 8 x = 16/4
k = (8)(2) x = 4
k =16
8.) t = k/r 6 = 270/45 t = k/r may be
written as
k = tr 6 = 6 r = k/r
k = (6)(45) r = 270/4½
k = 270 4½ can be
simplified to 2
r = 270/2
r = 135
double check:
t = k/r
4½ or 2 = 270/135
2 = 2
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Answer:
6.) x = 4
8.) r = 135
Step-by-step explanation:
k as the constant of variation
6.) x = k/y 8 = 16/2 x = k/y
k = xy 8 = 8 x = 16/4
k = (8)(2) x = 4
k =16
8.) t = k/r 6 = 270/45 t = k/r may be
written as
k = tr 6 = 6 r = k/r
k = (6)(45) r = 270/4½
k = 270 4½ can be
simplified to 2
r = 270/2
r = 135
double check:
t = k/r
4½ or 2 = 270/135
2 = 2