please help | A department store buys 400 shirts at a cost of $6,400 and sells them at a selling price of $20 each. Find the p
1 answer:
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Answer is in the pic above. Theorems used:
Exterior angle theorem
Inscribed angle theorem.
Answer: B
Step-by-step explanation:
y = mx + mc
The perpendicular will have slope -1/m and intercept mc, which is
y = (-1/m)x + mc
For the answers you have to factor out a -1/m from both terms: