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Troyanec [42]
3 years ago
14

determine whether y varies directly with x. If so, find the constant of variation k and write the equation X 6 18 54 162 Y 24 72

216 648 Options A-yes, K=4;y=4x B-yes,K=3;y=3x C-yes,K=6;y=6x D-no
Mathematics
2 answers:
dimaraw [331]3 years ago
7 0

Answer:

1. yes; k=4; y=4x

2. No

3. 0.81

4. m= 4/3g, 9 1/3 months

5. Graph C


Step-by-step explanation:


yeet

Fudgin [204]3 years ago
6 0
The constant of proportionality is usually presented as the variable k. It is usually written as:

f(x) = kx
where f(x) means a function of x. It can also be another variable, for example, y,

We test each pair to find k,

24 = 6k
k = 24/6 = 4

72 = 18k
k = 72/18 = 4

216 = 54k
k = 4

648 = 162k
k = 4

Thus, the answer is A. yes and k=4.
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