What decimal is represented by this expanded form? 4 x 10,000 + 5 x 1,000 + 7 x 100 + 8 x 1/100 + 6 x 1/1000
2 answers:
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Answer:
Step-by-step explanation:
According to the Alternate Exterior Angles Theorem, "when two lines are cut by a transversal, the resulting alternate exterior angles are congruent."
This means that the two expressions above are to be set equal to each other because they are representative of two alternate exterior angles, which are congruent:
Add to both sides of the equation:
Subtract from both sides of the equation:
Divide both sides of the equation by the coefficient of , which is
:
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Check your work by substituting for
in the initial equation:
It's correct!