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Degger [83]
2 years ago
8

One positive number exceeds another by 4, and their product is 77. find the numbers.

Mathematics
1 answer:
DIA [1.3K]2 years ago
8 0
7*11=77 because 7 and 11 are 4 apart Enjoy!=)
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Answer:

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Step-by-step explanation:

In order for the number to be divisible by 9, the sum of it's digit has to be divisible by 9.

In our case, 4+A+A+1= 9k where k is an integer. the easiest way happens when k=1

5+2A= 9 \rightarrow 2A=4 \rightarrow A = 2

Higher values of k will likely most work (with k=2 you get A to be a non-integer, which can't work since it's the digit of a number, and with higher values of K you're not getting a number in base 10.

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vladimir2022 [97]

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Step-by-step explanation:

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5/30 can be simplified as 1/6.

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