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aleksandr82 [10.1K]
2 years ago
9

P is directly proportional to u.

Mathematics
2 answers:
nata0808 [166]2 years ago
4 0

Answer:

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Step-by-step explanation:

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ira [324]2 years ago
4 0

Answer:

\frac{p}{u} =k

Step-by-step explanation:

  • A direct proportion means the ratio of p:u is a constant number
  • This constant number is denoted by k
  • an example of this is, say for every 1 chicken you buy there are 2 legs which is ratio 1:2 which is \frac{1}{2}
  • so if you add more chickens, you add more legs, 2 chickens means 4 legs, 8 chickens means 16 legs, which is \frac{1}{2}= \frac{2}{4} =\frac{8}{16} =0.5 so the constant number is 0.5, so this a direct proportion
  • The two values grow at the same rate
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