英文數學問題 4
2009-05-07 1:59 am
An empty rectangular water tank measures 50 cm long,40 cm wide and 45cm high . If 20 L of water is poured in. What is the depth of water?
回答 (2)
2009-05-07 2:05 am
✔ 最佳答案
20 L=20x1000=20000cm3
The depth of water=20000/(50x40)
=10cm
2009-05-07 6:39 am
Q:
An empty rectangular water tank measures 50 cm long,40 cm wide and 45cm high . If 20 L of water is poured in. What is the depth of water?
A:
volume of water:20 L= 20x1000
=20000cm3
volume of water tank:50x40x45
=90000cm3
depth of water: volume of water tank/volume of water
=(90000/20000)cm
=4.5cm
the depth of water is 4.5cm
An empty rectangular water tank measures 50 cm long,40 cm wide and 45cm high . If 20 L of water is poured in. What is the depth of water?
A:
volume of water:20 L= 20x1000
=20000cm3
volume of water tank:50x40x45
=90000cm3
depth of water: volume of water tank/volume of water
=(90000/20000)cm
=4.5cm
the depth of water is 4.5cm
參考: myself (not so sure of the answer)
收錄日期: 2021-04-13 16:36:16
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090506000051KK01034