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irga5000 [103]
3 years ago
7

Please answer and explain! 17 POINTS!

Mathematics
1 answer:
nevsk [136]3 years ago
4 0
You would do 16/2 which is 8 and then you would subtract that by 9. Which is -1 so therefore Emily wouldn’t get any cookies.
There is also no way Emily started with 16 cookies.
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Answer:

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Step-by-step explanation:

hello :

x2+8x+c is the perfect square means : x²+8x+c= (x+a)²

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so : 2a=8

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a=8/2 = 4    but : c = a²

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