evaluate: a) V42.25
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Step-by-step explanation:
(42.25)½ = (36 + 6.25)½
= (36)½ + 6.25 / 2*(36)½
= 6 + 6.25 / 2*6
= 6 + 6.25 / 12
= 6 + 0.52
= 6.52
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