The watch at Macys is $400. The store is having a sale and everything is 30% off. What is the discount amount?
1 answer:
Answer:
30% of 400 is 120 so 400 - 120 is 280 so i think the answer is 280$
Step-by-step explanation:
im so sorry if im wrong :(
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we know that ,
u.v = ΙuΙ ΙvΙcosθ
here,
θ =60° (since the given triangle is equilateral triangle)
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