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LuckyWell [14K]
3 years ago
10

What is the difference in the sum of the exterior angles measures of a rectangular nonagon and a rectangular dodecagon?

Mathematics
1 answer:
Alenkinab [10]3 years ago
8 0
The sum of the exterior angles of ANY polygon = 360 degrees.So, the difference = 360 - 360 = 0.

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Answer

39 bills of 1$

16 bills of 10$

Step-by-step explanation:

x-nr of $1

y-nr of $10

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so  I use the substitution method

(55-y)*1+10y=199

55+10y-y=199

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9y=144

y=144/9

y=16

so x=55-16

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verify 16*10+39*1=160+39=199

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3 years ago
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That's choice c).

4 0
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Decrease £390 by 10%
Savatey [412]

Answer:

the other guy is correct, i think

Step-by-step explanation:

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3 years ago
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