The prompt says that the value at n is equal to 2 times the previous value.
-1, -2, -4, -8, -16, -32
Answer:
400 cm²
Step-by-step explanation:
Triangles: 1/2x15x8=60 (two of those)
Base: 8x7=56
Back: 15x7=105
Sloped side: 7x17=119
60+60+56+105+119=400 cm²
Answer:
36
Step-by-step explanation:
Let n represent the number. Then the given relationship is ...
1/3n = 3 + 1/4n
1/12n = 3 . . . . . . . subtract 1/4n
n = 36 . . . . . . . . . multiply by 12
The number is 36.