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22-10-2020
Mathematics

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A is directly proportional to the square root of B
When A = 50, B+4 . Find A in terms of B

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amakaa06 amakaa06

22-10-2020

Answer:

A=50, B=4

A is directly proportional to the square root of B

name the constant 'k'

A = k*B^0.5

50 = k*4^0.5

50=2k

k=25

=> A =25 root B

i.e, A = 25*B^0.5 (The answer should be written the way it is written in the attached picture)

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