Answer:
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Step-by-step explanation:
Combine Similar Elements: 
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Combine Similar Elements: 

Subtract 14 From Both Sides
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Simplify
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Add
To Both Sides
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Simplify
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Divide Both Sides By 

Simplify
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100.80 kg - 20.35 kg = 80.45 kg . . . . the new weight of the bag
It's a pretty straightforward subtraction problem. As with any decimal addition or subtraction, you line up the decimal points and extend any numbers with zeros to make the number of decimal places match.
Answer:
Step-by-step explanation:
The easiest way is to graph both functions and see where they intersect. The intersection is where f(x) = g(x).
f(x) = -x² - 3x + 6
g(x) = 2x² + 5x + 3
Answer:
Step-by-step explanation:
The sum of the interior angles of this triangle must be 180 degrees.
Thus, angle x is 180 degrees less (39 degrees plus 125 degrees), or
x = 180 degrees - 164 degrees = 16 degrees.
Because of the 125 degree angle, this is an obtuse triangle.