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8090 [49]
2 years ago
7

Noah has a coupon for 30% off at his favorite clothing

Mathematics
1 answer:
inn [45]2 years ago
3 0

Answer:

<h3>$21.54</h3><h3 />

Step-by-step explanation:

price paid    = regular price ( 1 + coupon in percent)

             $28 = regular price x (1.3)

regular price = $28 / 1.3

                     = $21.54

           

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If n is a rational number then n2 is always less than n
stiv31 [10]

That easiliy false. You can prove this by observing that all integers are, in particular, rational numbers. So, for instance, you can think of 4 as \frac{4}{1}, so 4 \in \mathbb{Z}\subset\mathbb{Q}

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3 years ago
What is the square root of 141?
serious [3.7K]
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6 0
3 years ago
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Convert 7/20 to a percent
Wewaii [24]
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3 0
3 years ago
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