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Andre45 [30]
3 years ago
10

If the sum of the interior angles of a polygon is 2340, how many sides does the polygon have?

Mathematics
1 answer:
My name is Ann [436]3 years ago
7 0

Answer:

15

Step-by-step explanation:

Where n represent no.of sides

(2n-4)90=2340

180n-360=2340

180n=2340+360

180n=2700

n=15

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A vendor sells hot dogs and bags of potato chips. A customer buys 4 hot dogs and 5 bags of potato chips for $15.50. Another cust
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Let <em>h</em> represent the cost of hot dogs and <em>p</em> represent the cost of potato chips.

Customer 1: 4h + 5p = 15.50   ⇒   3(4h + 5p = 15.50)   ⇒   12h + 15p = 46.50

Customer 2: 3h + 2p = 9.00    ⇒  -4(3h + 2p = 9.00)   ⇒ <u>  -12h -  8p = -36.00</u>

                                                                                                         7p = 10.50

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Answer: hot dog = $1.50, potato chips = $2.00

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