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madreJ [45]
3 years ago
7

Mary enlarged a 4-by 6-inch photo a 10 by 15-inch photo.what is the scale factor of the dilation

Mathematics
1 answer:
dimulka [17.4K]3 years ago
7 0
The scale factor of the dilation is given  by:
(new length of the photo)/(old length of the photo)
the dimensions of the old photo is 4 in by 6 in
the dimensions of the new photo is 10 in by 15 in
length of old photo=6
length of new photo=15
scale factor=15/6=2.5 
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