What is the area of the following circle
1 answer:
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Ok, so this is a sum of aruthmetic sequence and also use some logic
it goes 10 feet down, then 5 up, 5 down, etc (see attachment)
so the total distance is the sum of all the numbers in the sequence doubled, minus the first term (since it didn't bounce 10 feet up, it started from top)
the sum of an aruthmetic is
Sn=
where a1=first term, r=common ratio and n=which time
first term=10
common ratio is 0.5
n=4
so
2[
]-10=answer27.5
the answer is 27.5 feet
it goes 10 feet down, then 5 up, 5 down, etc (see attachment)
so the total distance is the sum of all the numbers in the sequence doubled, minus the first term (since it didn't bounce 10 feet up, it started from top)
the sum of an aruthmetic is
Sn=
where a1=first term, r=common ratio and n=which time
first term=10
common ratio is 0.5
n=4
so
2[
the answer is 27.5 feet