Homework Help: 7th grade math help 2 question

Posted by Delilah on Monday, November 5, 2012 at 10:49pm.

#11 The coordinate of rectangle ABCD are given. Find the coordinates of its image after a dilation with the scale factor of 2. * A (2,4) B (-3, -1) C (0,9) D (6,-4)

#10 On a blueprint, 1 inch = 13 feet. If the dimensions of the playroom on the blueprint are 0.35 inches x 1.25 inches, what are its actual measurements?

11. ?????

10. 1/13 x 0.35/m
1 x m = 13 x 0.35
m = 4.55

1/13 x 1.25/m
1 x m = 13 x 1.25
m = 16.25

7th grade math help 2 question - Ms. Sue, Monday, November 5, 2012 at 11:06pm
Your figures for 10 are correct. However, that is sure a strange playroom -- 4.55 feet wide and 16.25 feet long???
7th grade math help 2 question - Delilah, Monday, November 5, 2012 at 11:21pm
I know right! Math sure is strange......

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