求以下作业答案

1. 求以下作业答案

重力：G=mg=9000×9.8N/kg=88200N
压强：F=G=88200N
P=F/S=88200N/0.3m^2=294000Pa

2. 求以下作业答案

你好

became
Have       visited
lived
is getting
have worked
will rain
haven't received
got
Have   listend
has been
goes
traveled
had
15. went

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祝你学习进步，更上一层楼！

不明白请及时追问，满意敬请采纳，O(∩_∩)O谢谢~~

3. 求以下作业答案

你好，同学，很高兴回答你的问题
 
正确答案：
 


1.i often do  some  housework   in  my  family.《改为一般疑问句》
( Do )  you   often  ( do ) ( your ) housework   in  my  family？

2.Hot  chocolate  is a drink.it has hot milk ，sugar and chocolate in it.《改为同义句》
Hot chocolate is ( a ) ( drink ) ( without ) hot milk,sugar and chocolate.

3.This is her (her coat)《对打括号部分提问》
( Whose ) ( coat ) is  this?

4.LI Ming likes to go to (the coffee shop) withhis frends.《对打括号部分提问》
( Where )   does Li Ming ( like ) ( to ) ( go ) with his frends?

5.The dictionary cost (60 yuan)《对打括号部分提问》
( How ) ( much ) did the dictionary ( cost )?
 
 
 
 
 
 

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希望能帮到你，祝更上一层楼O(∩_∩)O
不明白请继续追问，可以详谈嘛(*^__^*)   
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4. 作业 求答案啊

你好
 
19、D
 
20、
1-cosx=2sin²（x/2）~2*（x/2）²=x²/2;
D
 
【数学辅导团】为您解答，如果本题有什么不明白可以追问，如果满意记得采纳
祝学习进步！

5. 求解一下作业题

待续

6. 作业求答案谢谢

7. 求这个作业答案

2x+3+2=2-3+4y=2x+y+4y
 
x=-1  y=1
 
 
图2               -2    3   2
                     5     1   -3
                    0     -1   4

8. 求这个作业答案

设这个两位数为xy，那么y＝2x＋1，y×10＋x＝（x×10＋y）＋2