Answer:
C
Step-by-step explanation:
The explicit formula for a geometric sequence is
= a![(r)^{n-1}](https://tex.z-dn.net/?f=%28r%29%5E%7Bn-1%7D)
where a is the first term and r the common ratio
From the recursive formula
= - 9![a_{n-1}](https://tex.z-dn.net/?f=a_%7Bn-1%7D)
The common ratio r = - 9 and with a = 300, then
= 300
→ C
Explanation:
Distributive property: → ![a(b+c)=ab+ac](https://tex.z-dn.net/?f=a%28b%2Bc%29%3Dab%2Bac)
Expand equation.
![6(x-4)](https://tex.z-dn.net/?f=6%28x-4%29)
Then, multiply 6*4.
![6*4=24](https://tex.z-dn.net/?f=6%2A4%3D24)
![=3x+6x-24](https://tex.z-dn.net/?f=%3D3x%2B6x-24)
Add by similar elements.
![6+3=9](https://tex.z-dn.net/?f=6%2B3%3D9)
Don't forget to used variable with letter/symbol.
![\boxed{9x-24}](https://tex.z-dn.net/?f=%5Cboxed%7B9x-24%7D)
Hope this helps!
Thank you!
Have a great day!
-Charlie
Answer:
The first one is -3
The second one is 2
Step-by-step explanation:
The blank would be 33. If you follow the pattern, you will see you first add 3 and 4 which is 7. Then 5 and 3 which is 8. The 9 comes from 7, 8, ... the dots would be 9. 7+9=16 and 9+8= 17. So you will need to add 16 and 17 which is 33.