mohammedehabsherif mohammedehabsherif

24-10-2021
Mathematics

contestada

given that q is directly proportional to (p-1)square and p is always positive find the value of p when a=20, if q=4 when p=10

Respuesta :

lynnkc2000 lynnkc2000

24-10-2021

Answer:

1 + 9√5

Step-by-step explanation:

q = (p-1)² * k

4 = (10-1)² * k

k = 4/81

q=20 20 = (p-1)² * 4/81

(p-1)² = 20 * 81/4 = 405

p-1 = 9√5

p = 1 + 9√5

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