What are the roots of the equation: x^2 - 10x -20 =20
1. 10±6√5
2. -10±6√5
...
![subject](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 18:58 ksteele1
What are the roots of the equation: x^2 - 10x -20 =20
1. 10±6√5
2. -10±6√5
3. 5±3√5
4. -5±3√5
explain and show work!
a bunch!
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Other questions on the subject: Mathematics
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00, isabellemaine
Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v
Answers: 2
![image](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:30, 420420blazee
You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?
Answers: 3
![image](/tpl/images/cats/mat.png)
You know the right answer?
Questions in other subjects:
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 02:10
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 02:10
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/mat.png)
Mathematics, 02.12.2020 02:10
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/istoriya.png)
History, 02.12.2020 02:10
![Konu](/tpl/images/cats/mat.png)
![Konu](/tpl/images/cats/mat.png)