maths
回答 (4)
2007-11-16 5:04 am
✔ 最佳答案
t squared +4t squared=16 squared ===============================================================
t^2+4t^2=16^2
t^2(1+4)=16^2
t^2(5)=256
t^2=51.2
t=7.156(cor to 3 sig. fig.)
參考: Hope can help you^^"
2007-11-16 5:11 am
t squared +4t squared=16 squared
tt+4t(4t)=256
16(tt+tt)=256
16(tt+tt)/16=256/16
tt+tt=96
tt=48
t squared=48
tt+4t(4t)=256
16(tt+tt)=256
16(tt+tt)/16=256/16
tt+tt=96
tt=48
t squared=48
參考: me
2007-11-16 5:07 am
t squared +4t squared=16 squared
5 t squared = 16 squared
t squared = 16 squared/5
t= -16/root 5 OR t= 16/root 5
5 t squared = 16 squared
t squared = 16 squared/5
t= -16/root 5 OR t= 16/root 5
收錄日期: 2021-04-13 14:30:09
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071115000051KK03574