Find a counterexample for the statement.
if p is prime, then
p2 + 4
is prime....
![subject](/tpl/images/cats/mat.png)
Mathematics, 10.11.2019 17:31 jagger68
Find a counterexample for the statement.
if p is prime, then
p2 + 4
is prime.
![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)
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 14:00
Which is an equation for the nth terms of the sequence 12,15,18,21
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Describe what moves you could use to create the transformation of the original image shown at right
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 21.06.2019 17:00
Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on
Answers: 2
You know the right answer?
Questions
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.01.2020 19:31
![question](/tpl/images/cats/mat.png)
Mathematics, 02.01.2020 19:31
![question](/tpl/images/cats/biologiya.png)
Biology, 02.01.2020 19:31
![question](/tpl/images/cats/himiya.png)
Chemistry, 02.01.2020 19:31
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 02.01.2020 19:31
![question](/tpl/images/cats/fizika.png)
Physics, 02.01.2020 19:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 02.01.2020 19:31
![question](/tpl/images/cats/istoriya.png)
History, 02.01.2020 19:31
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 02.01.2020 19:31
![question](/tpl/images/cats/ekonomika.png)
Business, 02.01.2020 19:31
![question](/tpl/images/cats/mat.png)
Mathematics, 02.01.2020 19:31