Answer:
100( 1 - (9/10)^75 )
Step-by-step explanation:
as common ratio is 9/10
Answer:
A.
Step-by-step explanation:
it is the only one that makes sense, because it deals with 8th graders, all others include gender which i do not think that matters.
Answer:
20
Step-by-step explanation:
This is the information we know :
A. a = 4
B. b = 15
C. c = 16
a + c
The a and c represent variables that must be substituted by their value, since we know their initial value, we substitute :
a + c when a = 4 and c = 16
4 + 16
20
Answer:
4.5 hours
Step-by-step explanation:
First subtract $7 -$1 for the first half hour to see how much money is left over
$7-$1= $6 dollars left
$1.50 for each hour
6/1.50= 4 hours
Don't forget the first half hour. So 4.5 hours
21.16 ! I got my handy calculator cause imma dum dum..
