Math, asked by 000374, 2 months ago

Help me please it is urgent

Attachments:

Answers

Answered by 20vibhishsubburaj7
2

Answer:

3. 205 sec

4. 1140 sec

5. 720 sec

6. 79 sec

7. 495 sec

8. 1620 sec

9. 5 hours

i dont know the rest soz

Step-by-step explanation:

Answered by Anonymous
9

\sf{Solution}

Some important relations to know :-

1 minute = 60 seconds

1 second = 1 /60 minutes

1 hour = 3600 seconds

1 hour = 60 minutes

1 day = 24 hours

1 year = 365 days

___________________

3 ) 3 minutes 25 seconds = ____. seconds

We know 1 minute = 60 seconds

3 minutes = 3 (60) s

3 minutes = 180 seconds

3 minutes 25 seconds = 180 + 25 seconds

3 minutes 25 seconds = 205 seconds

________________________

4) 19 minutes = ___ seconds

As we know 1 minute = 60 seconds

19 minutes = 19 × 60 seconds

19 minutes = 1140 seconds

______________________

5) 12 minutes = ____ seconds

1 minute = 60 seconds

12 minutes = 12 × 60 seconds

12 minutes = 720 seconds

_________________________

6) 1 minute 19 seconds = ____ seconds

1 minute = 60seconds

1 minute 19 seconds = 60 seconds + 19 seconds

1 minute 19 seconds = 79 seconds

___________________

7) 8 minutes 15 seconds ___ seconds

1 minute = 60 seconds

8 minutes 15 seconds = 8 × 60 seconds + 60 seconds

8 minutes 15 seconds = 480 seconds + 60 seconds

8 minutes 15 seconds = 540 seconds

_____________________

8) 27 minutes = ___ seconds

1 minute = 60 seconds

27 minutes = 27 × 60 seconds

27 minutes = 1620 seconds

___________________________

9) 18 , 000 seconds = ___ hours

1 hour = 3600 seconds

1 second = 1 / 3600 hrs

18,000 seconds = 18,000/3600 hrs

18, 000 seconds = 5 hours

____________________________

10 ) 4 hours 35 minutes = ___ seconds

4 × 3600 seconds + 35 × 60 seconds

14,400 seconds + 2100 seconds

4 hours 35 minutes= 16,500 seconds

______________________________

11 ) 1 day 1 hour = ____ minutes

1 day = 24 hours

1 day 1 hour = 24 hours + 1 hour

1 day 1 hour = 25 hours

1 hour = 60 minutes

25 hours = 25 × 60 minutes

25 hours = 1500 minutes

_________________________

12) 34 days 576 hours = ___ days

576 hours = 576 / 24 days

576 hours = 24 days

34 days 576 hours = 34 days + 24 days = 58 days

________________

13 ) 2450 seconds ___ hours

1 hr = 3600 seconds

1 second = 1 /3600 hrs

2450 seconds = 2450/3600 = 0.68 hrs

__________________

Similar questions