I got 36. I did 5-2=3, 3•180=540, 540/5=108, 180-108=72, and 72/2= 36
Answer:
x is no more than -6
Step-by-step explanation:
Answer:

Step-by-step explanation:
Given that , the sum of the first nine terms of an arithmetic series is 162 and the sum of the first 12 terms is 288.

<h3>
<u>Related</u><u> </u><u>Infor</u><u>mation</u><u> </u><u>:</u><u>-</u><u> </u></h3>
• The sum of n terms of an AP is
• nth term of an AP is given by ,

Answer:
hii
x=30
Step-by-step explanation:
x+3x+5x-90=180
9x=270
x=30