$\text{Substitute}\ n=1,\ n=4\ \text{and}\ n=8\ \text{to}\ A(n)=-5\cdot3^{n-1}:\\\\A(1)=-5\cdot3^{1-1}=-5\cdot3^0=-5\cdot1=-5\\\\A(4)=-5\cdot3^{4-1}=-5\cdot3^3=-5\cdot27=-135\\\\A(8)=-5\cdot3^{8-1}=-5\cdot3^7=-5\cdot2,187=-10,935$

6 0

3 years ago

Read 2 more answers

Dan and Luke are running in a 20 mile charity benefit wrist if Dan runs at 3 miles per hour and Luke runs at 4 miles per hour ho

Nimfa-mama [501]

Answer:luck 5 and dan 6.67

Step-by-step explanation:

8 0

3 years ago

Which are solutions of the equation x2 - 16 = 0? Check all that apply.

Maurinko [17]

Last one
Because you have to substitute it
So you do X times 2 - 16 = 0
And the only X that works is the last one cause 8 X 2 = 16 and 16 -16=0

5 0

2 years ago