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Vika [28.1K]
2 years ago
6

6785∆4 is a 6-digit number with one of its digit represented by ∆. What can be the value of ∆ if 6785∆4 is divisible by 9 ? pls

anwer
Mathematics
1 answer:
GREYUIT [131]2 years ago
4 0

Answer: The /\ is 6. The number is 6.

Explanation: 678564 ÷ 9 = 75396

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Putting T(t) =138°C and t= 18 minutes

138=230 -Ae^{-k\times 18}

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