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Vladimir [108]
2 years ago
15

Kim and Amy left a 20% tip after having dinner. The amount of the tip was $5. Kim’s dinner cost $15. What was the cost of Amy's

dinner?
Mathematics
2 answers:
victus00 [196]2 years ago
8 0

Answer

$10

Step-by-step explanation:

jenyasd209 [6]2 years ago
8 0
10 dollars is the cost of amy’s dinner
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Answer:

vertex: (2,-18)

Step-by-step explanation:

y = ax² + bx + c

(-1,0) : a - b + c = 0       ...(1)

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(0,-10): 0a + 0b + c = -10        c=-10

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(2)+(3): 30a + 6c = 0          30a = -6c = 60        a = 2

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vertex: (2,-18)

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The missing number in the table is 32
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