En un triángulo ABC, AB = 18; por el baricentro se traza una paralela a AC que interseca a AB en P. Calcula PB.

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step-by-step explanation:

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the slope of the line is 60

one point on the line is (40,10)

step-by-step explanation:

in the equation outside the parenthesis the equation always tells you the slope. in this case it is 60.

in the parenthesis is also says 40 which is x because it is near the x and 10 is y because it is near y.

-2x + 7 = 7

subtract 7 from both sides.

-2x = 0

divide both sides by -2.

x = 0

y=sec x is the correct answer

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