Mathematics
Profile Activity
Meta user
Network profile
754
reputation
2
8
28

JB-Franco

Ciao!

0
answers
48
questions
~46k
people reached
  • Italy
  • Member for 6 years, 9 months
  • 121 profile views
  • Last seen 17 hours ago

Communities (42)

Top network posts

Top tags (60)

Score 0
Posts 7
Posts % 15
Score 0
Posts 5
Score 0
Posts 4
Score 0
Posts 4
Score 0
Posts 3
Score 0
Posts 3
View all tags →

Top posts (48)

All Questions Answers
Votes Newest
7 Sum of three dice is eleven Aug 16 '17
6 Why is the cosine of a right angle, 90 degrees, equal to zero? Apr 22 '18
4 Prove the existence of a graph of 15 vertices with some vertices degree given Feb 13 '17
4 Define the relation $\mathscr{R}$ on $\Bbb Z$ by $x \mathscr{R} y$ iff $xy >0$. I wish to examine several properties of this relation. Feb 19 '17
3 Verify that the following sequence defined recursively admits as closed formula another sequence Feb 18 '17
3 Find the invertible elements and zero divisors in the ring $(\mathbb{Z}_{21}, +, \cdot)$. For each invertible element find the inverse. Feb 17 '17
3 Two objects from the same company. What is the probability that the second object is defective, given that the first is defective. Sep 22 '17
2 Lattice divisors of 165, ordered by divisibility. Draw Hasse diagram, get complements, check if distributive, check if Boolean. Feb 10 '17
2 The probability to obtain a $3$ is $p$, and the probability that there is at least one $3$ in four tosses is $0.9375$. Find $p$. Sep 13 '17
2 Probabilities that are “missing” in the normal distribution table Sep 4 '17
View all questions and answers →

Badges (38)

Gold

2

Rarest

Silver

8

Rarest

Bronze

28

Rarest

View all badges →