尺子在线测量10厘米图

已知直线l1：根号3x-y=0,l2:x-根号3y+2=0,求两直线l1与l2夹角 已知直线l1:x=-7和直线l2:3x-根号3y+4=0,则l1与l2的夹角是? 直线L1:根号3x+y-3=0与直线l2:x-根号3y+1=0的角平分线方程为 the students-----(have)a class 英语翻译Students who have class conflicts which result in a missed meal,have the option of pre-ordering a boxed meal.Students must complete the form and provide it to the cashier 24 hours in advance,or complete a form at the cashier stand 24 hour 上课捣乱课堂纪律的检查我是纪律委员 We enjoyde ____(play)basketball on the playground yesterday afteroon用括号中的单词的适当形式填空 改错Yesterday,they play basketball on the playground. 学习态度不端正的检讨书150字 Now Helen's family __(be) at home and __(watch) TV.为什么用watching? Last Saturday,I _ Helen's family.It was my first __ her family.A.visited,visit B.visited ,visit to Helen went on an outing with her mother last Sunday.(改为否定句) 军训日记800字 急 军训日记800字 The students___that they must not talk loudly in class A.are told B.have told Don't talk loudly at the meeting .If you __ ,you have to go out.A.do Bdid C.can D.are 为什么选A You are not s＿＿to talk loudly here.The child is sleeping. Don't talk loudly here,( A.don't you B.aren't you C.will you the students are talk a什么the cartoonb什么class. （）+（）=12分之11(分母小于12） Are you going to fix the car yourself, or are you going to have it _______?A fixing B to fix C fix D fixed为什么是D,求高手解释下 Are you going to the zoo?A.i'm goning to the zoo.B.yes,I am C.Yes,we are D.No,I'll go to the park 已知一次函数y=kx+1和反比例函数y=k/x的图像都经过点（2,m).1）求一次函数解析式.2）求这两个函数图像的另一个交点坐标. 做1到3题, 做1到3题 正方形的中心在点C(-1,0),一条边所在直线的方程为x+3y-5=0,求其他三边所在直线的在线速求 圆柱体的高不变,底面半径扩大到原来的两倍,体积就扩大到原来的（ )倍 介绍自己的儿子怎么写 如何写儿子的自我介绍 we are going to the bookstore.you can come with us ---you can meet us there later.A buitB andC orD then we're going to the bookstore.You can come with us-----you can meet us there later.A and B but C or D then You're going to come with me.I'm going to go toYou're going to come with me.I'm going to go to the beach.It'sbeautiful.