Friday
May 24, 2013

# Posts by anonymous1

Total # Posts: 119

So finally crow what's the answer ?

hEY CROW ! What's Mr ?

maths
Let σ(n) be the sum of the positive divisors of an integer n and ϕ(n) be the number of positive integers smaller than n that are coprime to n. If p is a prime number, what is the maximum value σ(p)ϕ(p)?

maths
Consider the polynomial f(x)=17x4+21x3+60x2+Ax+B. Suppose that for every root λ of f(x)=0, 1/λ is also a root of f(x)=0. What is the value of A+B?

mathematics
The numbers 1,2,…,17 are divided into 5 disjoint sets. One set has 5 elements, one set has 4 elements, two sets have 3 elements and the last set contains the 2 remaining elements. Two players each choose a number from 1 to 17 at random. The probability they choose numbers...

math
6 for \$2.10 1 is for 35cents

math
10 servimgs per quart, how many serving per gallon? i think 40

math
150 miles in 3 hours;how many miles in 30 minutes? my answer is 1.30

math
6 feet in 2 yards; how many yards in 10feet? i think the answer is 3

math
64 miles on 2 gallons;how many miles on 3 gallons? n=96

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