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Natasha_Volkova [10]
2 years ago
11

1) The sum of the digits in a 2 digit number is 7. Reversing the digits increases the number by 9. What is the number?

Mathematics
1 answer:
Brilliant_brown [7]2 years ago
6 0

Answer:

34

Step-by-step explanation:

Sum of two numbers = 7

1+6

2+5

3+4

34+9=43

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Answer:

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Step-by-step explanation:

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2 years ago
contestants in a dance-a-thon rest for the same amount of time every hour.a couple rests for 25 minutes in 5 hours.how long did
vladimir1956 [14]

Answer

Find out the how long did they rest in 8 hours.

To prove

As given

contestants in a dance-a-thon rest for the same amount of time every hour.

A couple rests for 25 minutes in 5 hours .

As

25 mintues = 5 hours

1\ hours = \frac{25}{5}\ mintues

1 hours = 5 mintues

Thus in 1hours a the dance -a-thon rest for 5 mintues.

Now for 8 hours.

8 hours = 8 × 5 mintues

           = 40 mintues

Therefore in 8 hours  a dance-a-thon rest for 40 mintues.




3 0
2 years ago
Read 2 more answers
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