The answer is -2y•(2y^4 - 3y^2 - 4y + 1)
It would take 9 people 34.5 minutes to paint 9 walls.
23 divided by 6 equals 3.83. That is how many minutes it takes one person to paint one wall. Multiply 3.83 by 9 and you get your answer, 34.5 minutes.
Answer:
I think it's C but I'm not too sure
Answer:
25
Step-by-step explanation:
As the triangles within the bigger triangle are similar, the sides are in proportion.
⇒
⇒
⇒ 3w = 75
⇒ w = 25
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.