Wednesday
April 1, 2015

Homework Help: math question

Posted by Sony on Wednesday, March 13, 2013 at 6:54pm.

-The product of all the positive factors of 20 ( including 20) can be written2^x.5^y. Find x+y.

-The number 18 is equal to 2 times the sum of its digits: 1+8=9. 2x9=18. There are 4 two digit numbers that are equal to 4 times the sum of their digitss . Find 3 of those 4.

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

maths - Find the sum of all 3-digit positive numbers N that satisfy the ...
maths - The product of the digits of a positive two-digit number exceeds the sum...
math - While adding ten two-digit numbers the digits of one of the numbers were ...
math - Can u please help me with this..this is my sons 6th grade work and im ...
math - Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to ...
math - Posted by nicole on Monday, September 22, 2008 at 4:32pm in response to ...
math - Find the sum of all positive integers m such that 2^m can be expressed as...
URGENTlast question for Math - Which word phrase can be used to represent the ...
Math - A number magician tells you: : Pick any positive integer and multiply it ...
math - Find the two numbers that multiply to the product number and add to the ...

Members