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pantera1 [17]
3 years ago
7

A phone is originally priced a $40, is discounted to$30.What is the percent of discount?

Mathematics
1 answer:
natulia [17]3 years ago
5 0

Answer:

10%

Step-by-step explanation:

40-10=30

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When we reflect over y = x, we basically swap x and y. So for instance, the point (3,1) becomes (1,3).

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So if we apply that rule to point A(3,1) then it becomes A ' (-1, -3).

Similarly, B(1,5) moves to B ' (-5, -1)

Finally, C(6,9) becomes C ' (-9, -6)

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Step-by-step explanation:

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Answer:

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