Answer:
1. k = 4 , 20 = k(5)
2. k = 3/7 , 3 = k(7)
3. k = 1/3 , 10 = k(30)
Step-by-step explanation:
1. y = kx ; y = 20 and x = 5
20 = k(5)
k = 20/5
k = 4
2. y = kx ; y = 3 and x = 7
3 = k(7)
k = 3/7
3. y = kx ; y = 10 and x = 30
10 = k(30)
k = 10/30
k = 1/3
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Answer:
1. k = 4 , 20 = k(5)
2. k = 3/7 , 3 = k(7)
3. k = 1/3 , 10 = k(30)
Step-by-step explanation:
1. y = kx ; y = 20 and x = 5
20 = k(5)
k = 20/5
k = 4
2. y = kx ; y = 3 and x = 7
3 = k(7)
k = 3/7
3. y = kx ; y = 10 and x = 30
10 = k(30)
k = 10/30
k = 1/3