First term a1 = 6+5 = 11
second term = 12+5 = 17
common difference = 6
Sum of n terms:-
Sn = (n/2) [ 2a1 + d(n - 1)]
Sum of 30 terms:-
S30 = (30/2)[ 2*11 + 6(30-1)]
= 15 * ( 22 + 174)
= 15 * 196
= 2940 Answer
Answer:
ok its d(r I think so maybe
Answer:
Y=2
Step-by-step explanation:
YW thanks!
Product of q and 5= 5q (Constant is always first, followed by variable)
Product divided by 2= 5q/2 .
∴ Expression=<u> 5q/2 </u>
Answer: 1
Step-by-step explanation: calculator lol