Construct a subset of xy plane r^2 that is:
a) closed under vector addition & subt...
![subject](/tpl/images/cats/mat.png)
Mathematics, 01.12.2019 06:31 jess4659
Construct a subset of xy plane r^2 that is:
a) closed under vector addition & subtraction, but not under scalar multiplication
b) closed under scalar multiplication, but not vector addition & subtraction
![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 14:30
Mr switzer needs to buy new 1-foot tiles to cover his bathroom floor. the floor is 12 feet long and 8 feet wide. each square foot of tile will cost $1.79. in dollars what will be the total cost of the tiles he needs to buy.
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:00
You eat 8 strawberries and your friend eats 12 strawberries from a bowl. there are 20 strawberries left. which equation and solution give the original number of strawberries?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 18:00
What is the value of x in the equation 2(x-4) = 4(2x + 1)?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
Someone answer asap for ! michele pushes a box d meters across a floor. she uses a force f, in newtons, to push the box. she pushes the box for t seconds. the formula p = fd/t calculates the power, p, in watts, that it takes for michele to complete the task. solve the formula for d.
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 09:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 09:30
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 09:30
![question](/tpl/images/cats/health.png)
![question](/tpl/images/cats/istoriya.png)
History, 25.09.2019 09:30
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/es.png)
Spanish, 25.09.2019 09:30
![question](/tpl/images/cats/informatica.png)
Computers and Technology, 25.09.2019 09:30
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 09:30
![question](/tpl/images/cats/mkx.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
English, 25.09.2019 09:30
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 09:30
![question](/tpl/images/cats/ekonomika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 25.09.2019 09:30