Cashmoney05 Cashmoney05

15-12-2021
Mathematics

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If a varies inversely as square root of b, and a = 7 when b = 36, find a when b = 196.

Respuesta :

mathstudent55 mathstudent55

15-12-2021

Answer:

a = 3

Step-by-step explanation:

a = k/√b

First, we find k:

a = 7; b = 36

7 = k/√36

7 = k/6

k = 42

Now we write the equation of the relation:

a = 42/√b

b = 196

a = 42/√196

a = 42/14

a = 3

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