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Kamila [148]
3 years ago
8

The sum of the angle measures of a polygon with s sides is 2880. Find s. A. 20 B. 16 C. 17 D. 18

Mathematics
1 answer:
siniylev [52]3 years ago
8 0
I think the answer is D. 18

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Meredith solved a quadratic equation. Her work is shown below.
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Answer:

Step 2

Step-by-step explanation:

Meredith made a fatal mistake or error in step 2;

Any quadratic problem will always have two solutions. Therefore since, we only have one solution here, it is wrong. The mistake was incurred in step 2;

  From the given problem ;

    <u> Wrong                                                  right</u>

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                                                           x  = 11- 4     or    x  = -11 - 4

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3 years ago
A vehicle purchased for $
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$10,870

Step-by-step explanation:

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The first step in solving this problem is taking 2 and 3 and multiplying them (2 * 3 = 6) .
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3 years ago
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