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Angeldelissa
24.09.2019 •
Mathematics
What property of multiplication is 7 times 9 equals 9 times 7
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Ответ:
Ответ:
Ответ:
1. let r be the point with unknown x-coordinate. consider vectors
and ![\overrightarrow{rs}=(2-x).](/tex.php?f=\overrightarrow{rs}=(2-x).)
these vectors are colinear and
then
2. if you need correct formula, then
answer: point r partitions the directed line segment from q to s in a m: n, the ratio to determine point r is