What is the error in the student work below?
...
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:30
You’re repairing a large rectangular aquarium. the final step is to cover the glass with a protective film. the front and back of the aquarium measure 4 meters by 2 meters, and the sides of the aquarium measure 3 meters by 2 meters. how many square meters of protective film do you need? ( )
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:40
Atransformation t : (x,y) (x-5,y +3) the image of a(2,-1) is
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:00
The difference of two numbers is 40. find the numbers if 0.3 parts of one number is equal to 37.5% of the other one.
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
Find the missing factor. write your answer inexponential form.9^2=9^4×
Answers: 1
You know the right answer?
Questions
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.11.2019 00:31
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.11.2019 00:31
![question](/tpl/images/cats/istoriya.png)
History, 26.11.2019 00:31
![question](/tpl/images/cats/en.png)
English, 26.11.2019 00:31
![question](/tpl/images/cats/biologiya.png)
Biology, 26.11.2019 00:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.11.2019 00:31
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.11.2019 00:31
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 26.11.2019 00:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 26.11.2019 00:31
![question](/tpl/images/cats/istoriya.png)
History, 26.11.2019 00:31