Un avion vuela en linea recta entre las ciudades A y B que distan entre si 80KM. En determinado momento, las visuales desde el avion a A y B forman angulos de 30 y 45 ¿ a que altura esta el avion en ese instante?

3; 9 is 8 to -4

step-by-step explanation:

set each factor equal to 0

4x-3 = 0

2x-1 = 0

solve for x.

4x-3=0

4x=3

x= 3/4

solve for x. 

2x-1= 0

2x= 1

x= 1/2

eventually after a few more steps, your answer should be 1/2 is less than or equal to x and 3/4 is greater than or equal to x

step-by-step explanation:

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