camiloriveraveoxbgd6
21.12.2019 •
Mathematics
The quantities x and y are
proportional
x. y
2. 14
6. 42
11. 77
find the constant of proportionality (r) in the equation
y=rx
Solved
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Ответ:
r = 7
Step-by-step explanation:
In a direct proportionality,
y = rx
Substitute a pair of values for x and y
77 = r × 11
Divide each side by 11
r = 77/11 = 7
Ответ: