Real number \(a\),\(b\),and \(c\) satisfy \(a+b+c=0\) and \(abc > 0\),then the value of \(ab+ bc+ca\) is( ) A:positive B:negative C:\(0\) D:not certain positive or negative 相关知识点: 试题来源: 解析B 译文:实数\(a\),\(b\),\(c\)满足\(a+b+c=0\...
On Saturday or Sunday, it is $ 10 for an adult for one day, or you can get a two-day pass for $15. Kids under age 12 can attend for free and the kid aged13-18 is $5 per day. So mark your calendars, he...
For most people, getting to see one of these animals is a bucket-list experience. Especially if they get to interact and help with the rehabilitation of these injured forest animals. Seeing a sloth pick its way thro...
View Solution What is the value of∣∣ ∣ ∣∣−a2abacab−b2bcacbc−c2∣∣ ∣ ∣∣? View Solution Doubtnut is No.1 Study App and Learning App with Instant Video Solutions for NCERT Class 6, Class 7, Class 8, Class 9, Class 10, Class 11 and Class 12, IIT JEE prep, NEET pre...
If a+b+c = 11, ab+bc+ca = 3 and abc = -135, then what is the value of a3+b3+c3 ? यदि a+b+c = 11, ab+bc+ca = 3 तथा abc = -135 है, तो a3+b3+c3 का मान क्या होगा ? A929 B925 C827 D823Submit If...
“privacy” in Chinese. This is because the value of collectivism is praised highly in China. On the other hand, Chinese people enjoy living together with their family members because it is a way to show harmonious human relationship. It is not strange for us to find that even people from...
If a,b and c are sieds(边) of the△ABC,and a2-bc=a(b-c),then the figure(形状) of the triangle(三角形) is 等腰三角形 .(用汉语填写) 试题答案 在线课程 分析:先对已知的等式进行整理,从而发现只有当a=b时,等式成立,从而不难得出三角形的形状. ...
However, the tiger didn’t listen to her. Then the elephant stood on her legs and shouted 24.___. The tiger felt scared and went away quickly. 25.___ the animals saw what the elephant did, they all said sorry to her. They knew the elephant was kind. They appeared to be more wel...
In statistics, variance measuresvariabilityfrom the average or mean. It is calculated by taking the differences between each number in the data set and the mean, squaring the differences to make them positive, and then dividing the sum of the squares by the number of values in the data set....
12. A sports club has 65 men and 35 women as members. A new activity has just begun and 50 new members have joined. Given that the number of men is now 60% of the total members, how many of the 50 new members were women?