Answer:
c) 1,381.5.
Step-by-step explanation:
First term = 3.1 *1 - 2 = 1.1
2nd term = 3.1*2 - 2 = 4.2
3rd term = 3.1*3 - 2 = 7.3
so the common difference d = 3.1.
S30 = (30/2) [ 2* 1.1 + (30-1) * 3.1)]
= 1,381.5.
Answer:
267.95
Step-by-step explanation:
Since the interior is 720 divide it by 180 and you will get 4 so 4=n-2 where the n means number of sides. Move the 4 over to n=4+2 and you get n=6
Answer:
C. PR and SQ have the same midpoing
Step-by-step explanation:
Answer:
16
Step-by-step explanation:
20 + 22 + 18 + 24 + 16 = 100
100/5= 2O
hopes this helps sorry for the late answer I just want others to get the correct answer.