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Elodia [21]
3 years ago
8

here are 5 cards: 2,5,7,8,9. one of the cards is removed and then mean average is 6. which card was removed

Mathematics
2 answers:
omeli [17]3 years ago
7 0

Answer:

9 would be removed i believe

Step-by-step explanation:

Volgvan3 years ago
6 0
The card 7 should be remove.

Explain:
Assuming X is the total of 4 cards
X/4=6 => X=24
2+5+8+9=24
=> (2+5+8+9)/4=6
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Step-by-step explanation:

Question 10 :

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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