數學o既英文 急 20分!!!

2008-12-11 5:27 am
A rectangular metallic block of dimensions 6cm x 8cm x 10cm is melted and
recast into a solid with uniform cross-section.If the cross-section area of the
solid is 40cm2 , find the height of the solid

回答 (3)

2008-12-11 5:47 am
✔ 最佳答案
首先concept上體積是不變的
所以 體積=6*8*10=480
assume the height of the solid is h
volume=480
40*h=480
h=12
2008-12-11 6:07 am
6x 8 x 10=6 x 2 x 4 x 10=12 x40
SO the height of the solid =40CM
2008-12-11 5:50 am
維度一個長方形金屬塊6cm x 8cm x 10cm被熔化并且被重鑄入與一致的橫斷面的一種固體。如果固體的短剖面區域是40cm2,發現固體的高度
參考: me


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