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01.04.2020 •
Mathematics
Today a father's age is five times his son's age. Exactly three years ago, the sum of their ages was 30. How old is the son today?
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Ответ:
The son would be 6.6 years old son6 1/2 years old
Step-by-step explanation:
Ответ:
"image"
step-by-step explanation:
in most of these problems, the notation is that the point with a "prime" is the image of the point without. that is, b' is the image of b.
here, there is no dilation or reflection. there is simply translation (with no direction shown). which figure you call the "preimage" and which one you call the "image" is up to you. as a matter of convention, the naming is as described above.