Saturday
December 20, 2014

Posts by Riz


Total # Posts: 11

Math
There are a few red and a few green balls in a box, Blind folded, you have to take out 7 balls to have a red for sure,and you have to take out 13 to have a ball from both colours for sure. How many green and how many red balls are there in the box?
September 16, 2014

PLZ HELP DUE TOMORROW!
Thanks for helping my son again, the teacher goes very strict on him :)
September 11, 2014

PLZ HELP DUE TOMORROW!
I need to know, which order to put those numbers on a 3x3 grid, so I get the same answer for each number! ( I'm confused too ) ( Canada, Toronto )
September 11, 2014

PLZ HELP DUE TOMORROW!
Write the numbers1, 2, 3, 10, 11, 12, 19, 20 and 21 into the fields of a 3x3 grid so that the sum of the numbers in each row, column and diagonal is the same. PLZ HELP DUE TOMORROW!
September 11, 2014

math
You have several 5x11 rectangles, using only these rectangles, what can you make? A) 39x54 rectangle? B) a 39x55 rectangle? Plz help my parents are at work and sisters are doing homework, I'm 9 help!!! ( math due tomorrow!! )
September 11, 2014

Math
Thank you. My son needed this, and I was at work so yea.
September 10, 2014

Math
The sum of 13 different positive whole numbers is 92. What are these numbers?
September 10, 2014

Physics
that equation doesnt work. just saying...
March 30, 2012

probability and statistics
The annual Salary of an electrical engineer is given in terms of the years of experience by the table below. Find the equation of linear regression for the above data and obtain the expected salary for an engineer with 15 years of experience. Round to the nearest $100.
April 26, 2010

Grade 4 Math
Need help please for my question starting with Mele.... Thanks in advance.
January 27, 2010

Grade 4 Math
Mele is feeding some of the many exotic fish that live in the coral reefs off the island of Tonga. This is the largest of a chain of islands in the south Pacific. Mele has brought a cooked banana from home to give to the fish. As the fish nibble on the banana, Mele counts 24 ...
January 27, 2010

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