How many solutions does this system have? y=3/4x-5 -3x+4y=-20?
1 answer:
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Looking at the picture below (where the blue line is the height and the red line is equal to 43), we see that we can use the trigonometric ratio tan.
tan38=x/43
which simplifies to
43*tan38=x
which gets us that x=33.6 (approximately)
:)
tan38=x/43
which simplifies to
43*tan38=x
which gets us that x=33.6 (approximately)
:)