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A23

B10

C12

D70

Answer:

C. 12

Read Explanation:

x0.748=36x2.3\frac{x^{0.7}}{48}=\frac{36}{x^{2.3}}

x0.7×x2.3=36×48x^{0.7}\times{x^{2.3}}=36\times48

x0.7+2.3=1728x^{0.7+2.3}=1728

x3=1728x^3=1728

x=31728x=_3\sqrt{1728}

x=12x=12


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