![subject](/tpl/images/cats/mat.png)
Mathematics, 01.01.2020 20:31 daniel1480
What are the solutions to the equation x2 − 1 = 399?
a. x=20 and x=-20
b. x=200 and x=-200
c. x=400 and x=-400
d. x=398 squared and x=-398 squared
![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)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
If benito is selecting samples of five values from the table, which row will result in the greatest mean? population data row 1 4 2 2 3 3 row 2 3 3 4 3 2 row 3 2 4 3 4 3 row 4 3 4 4 7 3 row 1 row 2 r
Answers: 1
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth
Answers: 1
You know the right answer?
What are the solutions to the equation x2 − 1 = 399?
a. x=20 and x=-20
b. x...
a. x=20 and x=-20
b. x...
Questions
![question](/tpl/images/cats/istoriya.png)
History, 09.06.2021 06:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 06:10
![question](/tpl/images/cats/fizika.png)
Physics, 09.06.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 06:10
![question](/tpl/images/cats/ekonomika.png)
Business, 09.06.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 06:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 06:10
![question](/tpl/images/cats/mat.png)
Mathematics, 09.06.2021 06:10
![question](/tpl/images/cats/mat.png)