![subject](/tpl/images/cats/mat.png)
Mathematics, 02.01.2022 07:00 adrian2006
With negative numbers, how do we know when the negative sign indicates that it is a subtraction or it is a negative number?
This is a question from Khan Academy:
(−5+7×1)−9×5
If you calculate the equation in the parentheses which equals 2, then the equation becomes 2-9x5. At this point, would you calculate the 9x5 part as 9 x 5 then subtract 2 or -9 x 5 then add 2. I know that this isn't the greatest example since it would equal -43 regardless but there are some equations where it would change the entire equation.
![ansver](/tpl/images/cats/User.png)
Answers: 3
![](/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 16:50
The parabola opens: y=√x-4 (principal square root) up down right left
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
Ntriangle abc, m∠a = 35° and m∠b = 40°, and a=9. which equation should you solve to find b?
Answers: 2
You know the right answer?
With negative numbers, how do we know when the negative sign indicates that it is a subtraction or i...
Questions
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/himiya.png)
Chemistry, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05
![question](/tpl/images/cats/istoriya.png)
History, 05.05.2020 00:05
![question](/tpl/images/cats/himiya.png)
Chemistry, 05.05.2020 00:05
![question](/tpl/images/cats/en.png)
English, 05.05.2020 00:05
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/istoriya.png)
History, 05.05.2020 00:05
![question](/tpl/images/cats/mat.png)
Mathematics, 05.05.2020 00:05