Question

Pleas show me the workings out, respond asap since it's revision for my assessment! tyy

Answer 1

x = ±3.48

Explanation:

√x * √14 / √49 = √42

√x * √14 / √7² = √42

√x * √14 / 7 = √42

√x = √42 * 7 / √14

√x = 6.48 * 7 / 3.74

√x = 45.36/3.74 = 12.13

x = √12.13 = ±3.48