Question

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Answer 1

Respuesta:

d) 10

Explicación paso a paso:

$x\cos \left(30^{\circ \:}\right)\tan \left(60^{\circ \:}\right)+x\cot \left(45^{\circ \:}\right)=25$

x. $\sqrt{3}$/2 . $\sqrt{3}$ + 1x = 25

3x/2 + x = 25

5x/2 = 25

5x = 50

x = 50/5

x= 10