In three separate stock trades Dale los $560, gained $850, and lost $280. What was the net result of the three trades?
1 answer:
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Answer:
x = 7.5
Step-by-step explanation:
A line parallel to a side of a triangle and intersecting the other 2 sides, divides those sides proportionally, that is
=
( cross- multiply )
8x = 60 ( divide both sides by 8 )
x = = 7.5
The equation of a parallel line will have the same x-term, but a different constant (y-intercept). The required value can be found by putting the given point values in to the equation to see what it needs to be.
... y = 5x + ___
... 8 = 5·4 + ___
... 8 - 20 = -12 = ___
Your equation is ...
... y = 5x -12
