Math

posted by .

if the sum of the positive integers x and y is 12 then x can be equal to all of the following except

5y
4y
3y
2y
y

• Math -

hint: 5y cannot divide 12

Similar Questions

1. discrete math

1)prove that if x is rational and x not equal to 0, then 1/x is rational. 2) prove that there is a positive integers that equals the sum of the positive integers not exceeding it. Is your proof constructive or nonconstructive?
2. math

the sum of the reciprocals of three consecutive positive integers is equal to 47 divided by the product of the integers. what is the smallest of the three integers?
3. Math

Let S(n) denote the sum of digits of the integer n. Over all positive integers, the minimum and maximum values of S(n)/S(5n) are X and Y, respectively. The value of X+Y can be written as a/b , where a and b are coprime positive integers. …
4. math

Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).
5. math

Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers). Details and assumptions The number n!, read as n factorial, is equal to the product of all positive integers …
6. math

Find the sum of all positive integers m such that 2^m can be expressed as sums of four factorials (of positive integers).
7. algebra

Find the sum of all positive integers c such that for some positive integers a and b {a!⋅b!=c!} {a+c+3}
8. Math

find three consecutive positive odd integers such that the sum of the squares of the first and second integers is equal to the square of the third integer minus 7?
9. math

Find the sum of the first one thousand positive integers. Explain how you arrived at your result. Now explain how to find the sum of the first n positive integers, where n is any positive integer, without adding a long list of positive …
10. maths

the non- decreasing sequence of odd integers {a1, a2, a3, . . .} = {1,3,3,3,5,5,5,5,5,...} each positive odd integer k appears k times. it is a fact that there are integers b, c, and d such that, for all positive integers n, aĆ± = …

More Similar Questions