Answer:
per il vertice basta che usi la formula: V (-b/2a ; - delta/4a)
asse x : -b/2a
Step-by-step explanation:
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Answer:

Step-by-step explanation:
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Answer:
$180
Step-by-step explanation:
343in3 is the answer to this math question
Given :
Brianna is a waitress in an upscale restaurant. On Friday she waited on 12 groups of customers who spent an average of $186 per group.
Her tips averaged 18% of the total amount spent by all the groups of customers that day.
To Find :
Brianna's tip income earnings on Friday.
Solution :
Total amount of money spent by 12 groups :
P = $ 12×186 = $2232 .
She got tip of 18% of the total amount spent by all the groups of customers.

Brianna's tip income earnings on Friday is $446.4 .
Hence, this is the required solution.