Answer:
The formula is:
Step-by-step explanation:
The geometric sequences are those in which the division between the terms 
and 
of the sequence are equal to a constant common reason called "r"
The geometrics secencias have the following form:
Where 
is the first term of the sequence
In this sequence we have the following terms
1.2, 3, 7.5, 18.75
Then notice that:
Then:
and 
Finally the formula is:
Answer:
a) Not replaced
Yelllow marker First - Then Blue Marker =
(1/10)(1/9) = 1/90
b) Replaced
(1/10) (1/10) = 1/100
Answer "C"
Step-by-step explanation:
Answer: 6.1 and 6.3
Step-by-step explanation: just did it
The ratio is 2:1. They could be resaigned to 8 meters and 4 meters.
Answer:
Step-by-step explanation:
blue sweater white shirt
red sweater white shirt
purple sweater white shirt
blue sweater tan shirt
red sweater tan shirt
purple sweater tan shirt
so it is 6
