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serg [7]
3 years ago
11

In time, what is 3:30 + 5:45

Mathematics
2 answers:
Marta_Voda [28]3 years ago
7 0

Answer:

9:15

Step-by-step explanation:

3:30. Add 5 hours.

Add 30 minutes. It is 9:00.

15 minutes remaining. Add that.

One conclusion: 9:15.

Hope this helps!

Stella [2.4K]3 years ago
6 0

Answer:

9 : 15

Step-by-step explanation:

3:30 + 5:45

I like to line them up vertically

3:30

5:45

------------------------

8: 75

But we know there are only 60 minutes in 1 hour

Subtract 60 minutes and add 1 hour


8:   75

+1:   - 60

----------------

9 : 15


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Answer:

5.2 Minutes, or 5 minutes and 12 seconds

Step-by-step explanation:

You can solve this problem by working backward.  Since our number gets smaller by a 1/10 or 0.1, in order to work backward we must multiply 3.60 by 10/9, since one tenth has been taken away already.  When we do this, we get 4.0.  When we add 1.2 minutes to that, we get a final answer of 5.2 minutes, or 5 minutes and 12 seconds.

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3 years ago
I need help with this problem! Must explain why.
OLEGan [10]

Answer:

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Step-by-step explanation:

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Angle 6 and 7 are again opposite, so angle 7 is 95° as well!

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Answer:

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5 0
2 years ago
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Answer:

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Step-by-step explanation:

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