Im guessing he answered 30 correct, let me know if im correct
Answer:
3
Step-by-step explanation:
Answer:
C / ( 2 pi) = r
Step-by-step explanation:
C = 2 pi r
Divide each side by 2 pi
C /2 pi= 2 pi r / 2 pi
C / ( 2 pi) = r
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Answer:
$57.44
Step-by-step explanation:
1. subtract 15% from the bill with coupon:
$56.32 - ($56.32 x 0.15) = $47.87
2. add 20% to this new bill:
$47.87+(47.87 x 0.20) = $57.44