![subject](/tpl/images/cats/mat.png)
Mathematics, 18.02.2021 23:00 jblac
1) Considere a e b números racionais quaisquer. Podemos afirmar que é INCORRETA a alternativa: *
1 ponto
a) a/2 será um número racional.
b) √a será um número racional.
c) a – b será um número racional.
d) a + b será um número racional.
2) Marque a alternativa em que o número mostrado, NÃO é um número racional: *
1 ponto
a) 3/1
b) 7/2
c) 8/2
d) √19
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 16:20
The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 22:40
20.ju inces. which ordered pair is a viable solution if x represents the number of books he orders and y represents the total weight of the books, in ounces? (-3,-18) (-0.5, -3) (0,0) (0.5, 3)
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 23:00
Complete the conditional statement. if a + 2 < b + 3, then a < b b < a a – b < 1 a < b + 1
Answers: 3
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
What is the perimeter of an equilateral triangle if each side is (x+3)?
Answers: 1
You know the right answer?
1) Considere a e b números racionais quaisquer. Podemos afirmar que é INCORRETA a alternativa: *
1...
Questions
![question](/tpl/images/cats/geografiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/en.png)
English, 13.10.2020 17:01
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/istoriya.png)
History, 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/biologiya.png)
Biology, 13.10.2020 17:01
![question](/tpl/images/cats/biologiya.png)
Biology, 13.10.2020 17:01
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 13.10.2020 17:01
![question](/tpl/images/cats/mat.png)
Mathematics, 13.10.2020 17:01
![question](/tpl/images/cats/ap.png)
Advanced Placement (AP), 13.10.2020 17:01