![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
![](/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 19:00
The area of square garden is 300m squared. how long is the diagonal?
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:00
Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 20:30
In an improper fraction, is the numerator equal to, less than, or greater than the denominator
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 21:30
Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?
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/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.06.2021 16:50
![question](/tpl/images/cats/mat.png)
Mathematics, 08.06.2021 16:50
![question](/tpl/images/cats/en.png)
English, 08.06.2021 16:50
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.06.2021 16:50
![question](/tpl/images/cats/mat.png)
Mathematics, 08.06.2021 16:50
![question](/tpl/images/cats/mat.png)
Mathematics, 08.06.2021 16:50
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/istoriya.png)
History, 08.06.2021 16:50
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 08.06.2021 16:50