题目
2道SAT数学题...
At a basketball tournament involving 8 teams,each team played 4 games with each of the other teams.How many games were played at this tournament?
The lengths of two sides of a triangle are (x-2)and (x+2),where x>2.Which of the following ranges includes all and only the possible values of the third side
A 4
At a basketball tournament involving 8 teams,each team played 4 games with each of the other teams.How many games were played at this tournament?
The lengths of two sides of a triangle are (x-2)and (x+2),where x>2.Which of the following ranges includes all and only the possible values of the third side
A 4
提问时间:2021-04-08
答案
第一题:(7+6+5+4+3+2+1)*4=112
第二题:第三边一定要小于两边的和,大于两边的差的绝对值
所以(x-2)+(x+2)>y
(x-2)-(x+2)
第二题:第三边一定要小于两边的和,大于两边的差的绝对值
所以(x-2)+(x+2)>y
(x-2)-(x+2)
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点
- 1拓扑在物理学或数学中是个什么意思啊
- 22012年2月20号的英语应该怎么书写表达啊?
- 3已知关于X的方程(1-2k)x∧2-2√(k+1)x-1=0有两个不相等的实数根,求k的取值范围
- 4秋天的写景诗
- 5双氧水中过氧化氢含量的测定计算公式怎么推
- 6已知两条线段的长为5厘米和8厘米,要订成一个三角形,试求:(1).第三条线段的长度范围; (2
- 71-x的立方根减1=-x,
- 8如图,线段AB=4,点O是线段AB上的点,点C、D分别是线段OA、OB的中点,请求出CD的长度,若点O运动到线段AB的
- 9数学题、“5000/125=(9600*口)/(125*口)急求口里填什么数/是除号*是乘号”
- 10If it had not been for与If it were not for有什么区别?