Answer:
My sister will swing the total distance = 40 feet
Step-by-step explanation:
On the first swing my sister travels a distance of 8 feet.
In every successive swing she travels 80% of the distance of the previous distance.
So the sequence formed by the distance traveled in every swing will be a geometric sequence.
First term of the sequence 'a' = 8 feet
common ratio 'r' = 0.80
Since this sequence is an infinite geometric sequence,
Sum of this sequence =
[Since r < 1]
= 
=
= 40 feet
Therefore, my sister will cover the total distance = 40 feet
Answer:
I think it's C
Step-by-step explanation:
Maey should hire a landscaping service and if ther is more than 7.5h she could hire her neighbour
Depends to what time (month, days, weeks) I'll assume annually which would be 150$ a year
Step-by-step explanation:
ImtypingasfastasIcanbecauseImnotusingspace