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Tcecarenko [31]
3 years ago
12

I need help with this one Eight cookies cost $12. At this rate, how much will 10 cookies cost?

Mathematics
1 answer:
mr Goodwill [35]3 years ago
3 0

Answer:

$15

Step-by-step explanation:

12/8 = 1.5 = 1.50 per cookie

1.50* 10 = 15

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

You can complete the square of the equation to get

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This gives the form y = a(x-h)^2 + k where (h, k) is the vertex of the equation. You can also arrive at the same conclusion by making some observations of the equation. (x+2)^2 minimum value is going to be 0 since and negative values resulting from x+2 is going to become positive because of the square. So the minimum value is when x+2 is 0 or when x is equal to -2 and when it's at that minimum value of 0 it's going to have 4 subtracted from it which gives the vertex of (-2, -4)

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14,28,42 and 56

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