Hoang Giang Share
Janusz
办美国文凭加拿大文凭澳洲文凭英国文凭学位证毕业证成绩单
Veinas bọt EPE máy móc
Wendy Ye
If 30% of a number is 45, what is 50% of that number? a)15 b) 75 c) 90 d)150#civilservice #MathTutor
14 views
3 years ago
If 30% of a number is 45, what is 50% of that number? a)15 b) 75 c) 90 d)150#civilservice #MathTutor
![If A= [[1,2,3],[2,0,-2],], B= [[1,1,-1],[2,0,3],[3,-1,2]] and C= [[1,3],[0,2],[-1,4]], find A(BC).](http://i.ytimg.com/vi/bbPuR3re7PI/mqdefault.jpg "If A= [[1,2,3],[2,0,-2],], B= [[1,1,-1],[2,0,3],[3,-1,2]] and C= [[1,3],[0,2],[-1,4]], find A(BC).")
![Find the value of a, if [[a-b,2a+c],[2a+b,3c+d]] = [[-1,5],[0,13]]](http://i.ytimg.com/vi/jeCnaP3haUk/mqdefault.jpg "Find the value of a, if [[a-b,2a+c],[2a+b,3c+d]] = [[-1,5],[0,13]]")
![If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).](http://i.ytimg.com/vi/0DhveErBAHA/mqdefault.jpg "If A = [[2,-1],[3,2]] and B = [[0,4],[-1,7]] , find (3A^2 - 2B + I).")
