Answer:
x = 5
Step-by-step explanation:
5 - 1 = 4
4/2 =2
Hope this helps!
Answer:
The 1st term is -67
Step-by-step explanation:
I. When Sn = ()
If Sn = 124, n = 8 and = 98
124 = 8/2(a + 98)
124 = 4(a + 98)
124 = 4a + 392
124 - 392 = 4a
-268/4 = a
-67 =
Hope that help :D
Answer:
Step-by-step explanation:
Answer:
15
Step-by-step explanation: