Loser66
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0 
Questions Asked

Loser66:
Group Title
Please explain me why
If P(A) = 0.4
P(B) = 0.5
…
 updated 23 hours ago
 12 replies
 1 Medal
Mathematics

Loser66:
Group Title
A hospital receives 2/5 of its flu vaccine from Company A and remainder from Company B. Each shipment contains a large number of vials of va…
 updated yesterday
 18 replies
 1 Medal
Mathematics

Loser66:
Group Title
If f:S> T is a function from S into T, show that the following are equivalent
a) f is onetoone
b) For every y in T, the set f^{1({…
 updated yesterday
 3 replies
 1 Medal
Mathematics

Loser66:
Group Title
Let n be an integer ≥2 , let τ∈Sn and let X be a nonempty subset of {1,2,....,n} Say that τ fixes X if τ(X)=X, and say that τ acts irreduci…
 updated 2 days ago
 1 reply
 No Medals Yet
Mathematics

Loser66:
Group Title
Suppose that a and b are relatively prime integers and that x is an integer. Show that if a divides the product bx , then a divides x
Use t…
 updated 2 days ago
 9 replies
 3 Medals
Mathematics

Loser66:
Group Title
A doctor is concerned about the relationship between blood pressure and irregular heartbeats. Among her patients, she classifies blood pres…
 updated 2 days ago
 27 replies
 1 Medal
Mathematics

Loser66:
Group Title
Suppose that p>1 has the property that for all integers a, b, if p divides the product ab, then p divides a or p divides b.
Show that p is …
 updated 3 days ago
 12 replies
 2 Medals
Mathematics

Loser66:
Group Title
Does n/2 divides n!
Please, explain
 updated 3 days ago
 22 replies
 2 Medals
Mathematics

Loser66:
Group Title
Prove that every 4cycle can be written as a product of 2cycles
Please, help
 updated 4 days ago
 47 replies
 5 Medals
Mathematics

Loser66:
Group Title
Show that for nonzero integers m and n, g.c.d (m,n) is the largest natural number dividing m and n.
Please help.
 updated 5 days ago
 20 replies
 1 Medal
Mathematics

Loser66:
Group Title
You are a member of a class of 18 students. A bowl contains 18chips: 1 blue and 17 red. Each student is to take 1 chip from the bowl without…
 updated 5 days ago
 41 replies
 3 Medals
Mathematics

Loser66:
Group Title
Write every element of S_3 as a product of disjoint cycles.
I don't know what am I supposed to do. Please help
 updated 5 days ago
 13 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Please, check.
 updated 6 days ago
 12 replies
 2 Medals
Mathematics

Loser66:
Group Title
If 0<a<b and 0<c<d, Prove ac < bd
Please help
 updated 6 days ago
 7 replies
 2 Medals
Mathematics

Loser66:
Group Title
Prove that in an ordered field , if \(\sqrt 2\) is a positive number whose square is 2, then \(\sqrt 2<3/2 \)
Please, help
 updated 6 days ago
 4 replies
 1 Medal
Mathematics

Loser66:
Group Title
Please, help
if a >b
Prove \(a^2b <ab^2+\dfrac{a^3b^3}{3}\)
 updated 6 days ago
 52 replies
 2 Medals
Mathematics

Loser66:
Group Title
Please, help
Prove \(f(x) =\dfrac{x}{(\sqrt (x^2+1)}\) is onto from R to (1,1)
 updated 6 days ago
 36 replies
 4 Medals
Mathematics

Loser66:
Group Title
Help me, please. I confused
f:R\0 > R ,
f(x) = 1/x^2
…
 updated 6 days ago
 15 replies
 2 Medals
Mathematics

Loser66:
Group Title
Please, help
 updated 7 days ago
 56 replies
 2 Medals
Mathematics

Loser66:
Group Title
An urn contains 4 colored balls: 2 orange and 2 blue. 2 balls are selected at random without replacement, and you are told that at least one…
 updated 7 days ago
 27 replies
 2 Medals
Mathematics

Loser66:
Group Title
Please, explain me
 updated 8 days ago
 33 replies
 3 Medals
Mathematics

Loser66:
Group Title
Please, help
show that lim (2n/(n+2) ) =2
…
 updated 9 days ago
 14 replies
 1 Medal
Mathematics

Loser66:
Group Title
Solve:
1<x^2<4
I got 1<x<1
…
 updated 10 days ago
 21 replies
 1 Medal
Mathematics

Loser66:
Group Title
If a<b and \(c\leq d\), prove a+c< b+d
Please, explain me how to lose = sign?
 updated 10 days ago
 3 replies
 1 Medal
Mathematics

Loser66:
Group Title
The "eating club" is hosting a makeyourown sundae at which the following are provided:
Flavors: Chocolate, Cookie, Strawberry, Vanilla
T…
 updated 11 days ago
 36 replies
 3 Medals
Mathematics

Loser66:
Group Title
Prove:
If ab and ac , then asb + tc for all s, t in Z
Please, help.
 updated 11 days ago
 26 replies
 1 Medal
Mathematics

Loser66:
Group Title
A boy found a bicycle lock for which the combination was unknown. The correct combination is a fourdigit number, \(d_1d_2d_3d_4\), where \(…
 updated 11 days ago
 27 replies
 3 Medals
Mathematics

Loser66:
Group Title
Please, help
How to prove there are only 6 symmetries of an equilateral triangle?
…
 updated 11 days ago
 6 replies
 2 Medals
Mathematics

Loser66:
Group Title
Consider the equilateral triangle with vertices 1,2,3 initially placed, respectively, at \((1/2, \sqrt3/2)\), (1,0) and \((1/2, \sqrt3/2)…
 updated 13 days ago
 22 replies
 No Medals Yet
Mathematics

Loser66:
Group Title
Please, help
I don't understand why they got that answer for this problem.
My solution is in comment
 updated 13 days ago
 12 replies
 No Medals Yet
Mathematics
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