Answer:
17n+11
Step-by-step explanation:
Formula For Perimeter Of Rectangle: 2(Length) + 2(Width)
Length = 3.5n + 9
Width = 5n - 3.5
____________________________________________________
-> 2(Length) + 2(Width)
-> 2(3.5n+9) + 2(5n-3.5)
*distribute*
-> (7n+18) + (10n-7)
*distribute*
->7n+18+10n-7
->17n-11
Answer:
261 ft²
Explanation:
This entire shape can be divided into one square and four triangles.
Area of square:
Side² = 9² = 81 ft²
Area of four triangles:
4 × 1/2 × base × height
2 × 9 × 10
180 ft²
Total Area:
180 + 81 = 261 ft²
Answer: 6 points
Work:
15/100=0.15
40•0.15=6
Answer:
0.89
Step-by-step explanation:
