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Shkiper50 [21]
3 years ago
13

On Monday, 279 students went on a trip

Mathematics
1 answer:
belka [17]3 years ago
7 0
45 students in each bus
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If you multiply the four-digit number abcd by 4, the order of digits will be reversed. That is, abcd x 4=dcba. The digits a, b,
Arisa [49]
The given is that A B C D <span>x 4 = D C B A
</span><span>
Possible values of A are 1 or 2. It can't be 1 since the </span><span> </span><span>final result A is in unit place and 1 is not possible when we multiply any number by 4
</span><span>
2 B C D x </span><span>4 = </span><span>D C B 2</span>
It is clear above, that D = 8
2 B C 8 x <span>4 = </span><span>8 C B 2</span>
Possible values of B should be 1 or 2
We try B=1

2 1 C 8 x <span>4 = </span><span>8 C 1 2

</span>To find for C, you can use the equation:

(2000+100+10C+8) x 4 = 8000+100C+10+240C = 432-12 = 420
Therefore,

C = 7
So, the number is 2178.
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3 years ago
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Answer:

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Step-by-step explanation:

It usually works to follow instructions:

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Help pls <br><br> 4 divided by 10 2/3
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42.666666...........
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wilson bought gift cards for some lawyers and their assistants. each lawyer got a gift card worth $l. each assistant got a gift
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Im pretty sure it would be 64la
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B) No, set of side lengths does not satisfy Triangle Inequality Theorem

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