7x-23+11x+23=180
4x+0=180
4x/4=180/4
X=45
Answer: x=45
1872 + 1872
answers have to be more than 20 characters to post so um..
ELRIS COMEBACK 26/02
Answer:
F. 2 1/9
Step-by-step explanation:
Step 1: Substitute q

When you plug in <em>n</em> = 1, 2, 3:
n(1) = 3
n(2) = 2.11111
n(3) = 2.3333
So our answer is F.
Answer:
OPTION B: 162, 486, 1458
Step-by-step explanation:
The given sequence is 2, 6, 18, 54, . . .
It is a geometric sequence and the common difference is 3.
The general form of a geometric sequence is: a, ar, ar², ar³, . . .
Here a = 2 and r = 3.
term of a Geometric progression is
.
Note that the fourth term is 54.
i.e., 
.
Similarly,
.
Also,
.
Hence, OPTION B is the answer.