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Make x the subject of the formula:

x = (23 / vd) * Za
a. x = 23vd / Za
b. x = 23Za / vd
c. x = vd / (23Za)
d. x = Za / (23vd)

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Final answer:

To make x the subject of the formula, x is already isolated in the given equation x = (23 / vd) * Za. Among the provided options, the correct representation is b. x = 23Za / vd.

Step-by-step explanation:

To make x the subject of the formula, we need to isolate x on one side of the equation. Starting from the given formula x = (23 / vd) * Za, it already appears that x is the subject.

However, if we are considering options a through d where the equation is possibly rearranged, only one of them correctly represents the given equation.

The correct option would be b. x = 23Za / vd, as it maintains the original relationship between variables.

User Daniel Grim
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