Answer:
Step-by-step explanation:
Let the first term be 
, then the terms of the sequence are:
.
Since the fourth term is 108, we have
Hence the sequence becomes:
.
The explicit expression for a geometric expression is given by:
where a=4 and r=3
The required formula is:
Answer:
radius
Step-by-step explanation:
Answer:
25%
Step-by-step explanation:
Given data
Cost of ride= $16
Amount paid= $20
Change= $4
Hence the percent of the tip is
=4/16*100
=0.25*100
=25%
Hence the percentage of the tip is 25%
Answer:
-4 and 9
Step-by-step explanation:
factored
(x - 9)(x + 4) = 0
with this x*x - 5x - 36 = 0
so x = 9 or x = -4
Answer:
-6
Step-by-step explanation:
the answer of |-6|
is 6 if we're gonna talk about the opposite it will be negative
