ssteitzsophiee111
29.09.2019 •
Mathematics
Find the unique four-digit integer n with these properties:
the last digit (the units digit) of n is 9.
the digits of n add up to 27.
two digits of n are the same.
n is a perfect square
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Ответ:
It is the square of 63
Ответ:
D)Slope is 1 if the line is vertical
Step-by-step explanation:
The slope would be considered undefined if it's vertical