(7 - 4n) x 6 is the same as 6(7 - 4n)
Expand to become:
6(7) + 6(- 4n)
42 - 24n is your answer.
10. The volume of the triangular prism is
, then
.
11. The volume of the triangular pyramid is
, then
.
12. They have common base (common triangle). y=7.7, r=23.1, then r:y=23.1:7.7=3.
13. See 10 and 11 for notations in symbols.
Answer:
idk why u asked this qn twice bt hope it will help u