math
posted by rfvv
posted by rfvv Wednesday, April 11, 2018 at 6:11pm
1. A dot is onedimensional.
2. A surface is twodimensional.
3. A cube is threedimensional.
4. At is onedimension.
5. At is the first dimension.
6. On is twodimensions.
7. On is the second dimension.
8. On is two dimensions.
9. In is threedimension.
10. In is three dimensions.
11. In is the third dimension.

Which ones do we have to use?
MsPi_3.14159265 Wednesday, April 11, 2018 at 6:47pm
The ones that make sense are #1, #2, #3, #9 should read... It is in three dimensions
#10 should read ... It is in three dimensions
#11 should read... It is in the third dimension. That is, the zcoordinate is in the third dimension.
Hope this helps : )
===========================================
[Thank you for your help.]
1. A dot is onedimensional.
2. A surface is twodimensional.
3. A cube is threedimensional.
12. At is onedimensional.
13. At is in one dimension.
14. At is in the first dimension.
[Which one is correct? Do we have to use a cardinal number or ordinal number? By the way, is "at" onedimensional? At can be compared to "a spot", can't it?]
15. On is twodimensional.
16. On is in two dimension.
17. On is in two dimensions.
18. On is in the second dimension.
19. On is in the second dimensions.
[Which ones are correct? Do we have to use a cardinal number or ordinal number? Do we have to use singular nouns or plural nouns?]

MsPi_3.14159265
#12.. should read "a point" such as a point on the graph.
#13 is just not a usual statement. It could be rewritten as "The point on the graph is onedimensional" If you need to rewrite 13 it could say "the picture is drawn in two dimensions."
#14 doesn't work at all.
so again... 12 and 13 could be rewritten to work, but 12 is best .
#15 A point is twodimensional
#16 NOT CorrecT.
#17 A graph is in two dimensions
#18 The graph is two dimensional.... is the usual way to write this.
#19 The graph is two dimensional... is the usual way to write this.
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1. A dot is onedimensional. 2. A surface is twodimensional. 3. A cube is threedimensional. 4. At is onedimension. 5. At is the first dimension. 6. On is twodimensions. 7. On is the second dimension. 8. On is two dimensions. 9. …