![subject](/tpl/images/cats/mat.png)
Mathematics, 25.05.2021 16:10 AmityHeart
Which of these expressions have a value that is a real number? Choose all that are correct.
A
B
Π‘
-2i (6 + 2i)
6i (6 β 21)
(6 + 2i) + (6 β 21)
(6 β 2i) β (6+21)
(6 β 2i) (6 β 2i)
(6 + 2i) (6 β 2i)
![ansver](/tpl/images/cats/User.png)
Answers: 1
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
What is the solution to the inequality? 6xβ5> β29, a x> β4 bx> 4 cx< 4 dx< β4
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:40
Given f(x)= 9x+1 and g(x)=x^3, choose the expression (f*g)(x)
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:50
The table represents a function. what is f(-2)? a.-3 b. -1 c.1 d.3
Answers: 1
![question](/tpl/images/cats/mat.png)
You know the right answer?
Which of these expressions have a value that is a real number? Choose all that are correct.
A
...
...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:02
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:02
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:02
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:02
![question](/tpl/images/cats/pravo.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:03
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:04
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:04
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 22.03.2020 22:05