umarsani0198 umarsani0198

10-03-2022
Mathematics

contestada

if p varies directly as r and p= 3.2 when r=4, find the value of p when r= 6.5

Respuesta :

Suber7hax Suber7hax

10-03-2022

Answer:

p is equal to 8.125

Step-by-step explanation:

Direct proportion formula : Y = kx ,k is constant

p = x = 3.2

r = y = 4

4 = k * 3.2

k = 4/3.2 = 1.25

y = 1.25x

Now, substitute x = 6.5 and find y.

y = 1.25 * 6.5 = 8.125

Hence p is equal to 8.125

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