noahj03 noahj03

19-03-2020
Mathematics

contestada

minutes in 4 hours
kilograms in 9 000 g
perimeter of rectangle 5 cm by 4 cm
litres in 8 000 ml

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Danboghiu66 Danboghiu66

19-03-2020

1h = 60min, 4h=4×69=240min

1kg=1000g, so 9000g=9000/1000=9kg

Perimeter= sum of sides. This rectangle has 2 sides of 5cm and 2 if 4cm. Overall: p=2(5+4)=2×9=18cm

1l=1000ml, so 8000ml=8000/1000=8l

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