That would be a<span> regular pyramid my friend!</span>
Answer:
x= -48 y =48
Step-by-step explanation:
-46 and 2 is -48 numbers away
Answer:
x= 37/12
Step-by-step explanation:
Answer:
7
Step-by-step explanation:
14 2,7
21 3,7
Answer:
1094
Step-by-step explanation:
The sum of terms of a geometric series is given by ...
Sn = a1·(r^n -1)/(r -1)
You want the sum for ...
a1 = 2, r = -3, n = 7
Filling in the numbers, we get ...
S7 = 2·((-3)^7 -1)/(-3-1) = 2(-2188)/(-4)
S7 = 1094