![subject](/tpl/images/cats/mat.png)
Mathematics, 26.10.2020 04:50 kevin72937
Find all complex numbers z such that z^4 = -4. All solutions should be expressed in the form a+bi, where a and b are real numbers.
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:50
Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:30
Which shaded region is the solution to the system of inequalities? y y[tex]\geq[/tex]-x+1
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 02:00
During how many months was the difference between the number of days with homework and with no homework greater than 6?
Answers: 1
You know the right answer?
Find all complex numbers z such that z^4 = -4.
All solutions should be expressed in the form a+bi,...
Questions
![question](/tpl/images/cats/en.png)
English, 03.12.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
Spanish, 03.12.2021 14:00
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2021 14:00
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/en.png)
English, 03.12.2021 14:00
![question](/tpl/images/cats/mir.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/es.png)
Spanish, 03.12.2021 14:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)