Homework Help: Math 7th grade

Posted by Margaret on Sunday, May 23, 2010 at 9:36pm.

Susan has red, blue, and yellow sweaters. Joanne has green, red, and white sweaters. Diane's sweaters are red, blue, and mauve. Each girl has only one sweater of each color and will pick a sweater to wear at random. Find the probability that each girl chooses a different color.
The answer is 17 out of 27. I do not know how to figure it out?

Math 7th grade - Kyasia, Monday, May 24, 2010 at 3:18pm
Segment AB has endpoints A(-3, 4) and B(-5, 2). Segment AB is reflected over the y axis to form segment A’B’. What are the coordinates for the endpoints of A’B’?

A. A’(3, -4) and B’(5, -2)

B. A’(3, 4) and B’(5, 2)

C. A’(-3, -4) and B’(-5, -2)

D. A’(-3, 4) and B’(5, -2)
Math 7th grade - Anonymous, Tuesday, June 8, 2010 at 4:35pm
write and slove 3 systems of equations :1)no solution 2)sinqle solution 3)many solution

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