25.04.2021

*Suppose you drop a tennis ball from a height of 15 feet. After the ball hits the floor, it rebounds to 12 feet, then hits the floor and rebounds to 9.6 feet. Write an explicit formula for the sequence.
Also, How high will the ball rebound after its fourth bounce?

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Step-by-step answer

09.07.2023, solved by verified expert
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The explicit formula is *Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25.

Step-by-step explanation:

First, we need to find the common ratio. We know this is a geometric sequence because the decrease from one term to the next is not a constant number.

To find the constant ratio, we can take the *Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25 term and divide by the *Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25 term:

*Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25

So, our common ratio is *Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25.

We already know our initial term, *Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25 is 15, so we get:

*Suppose you drop a tennis ball from a height, №18010863, 25.04.2021 04:25

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Mathematics
Step-by-step answer
P Answered by Master

The explicit formula is a_n=15(\frac{4}{5})^{n-1}.

Step-by-step explanation:

First, we need to find the common ratio. We know this is a geometric sequence because the decrease from one term to the next is not a constant number.

To find the constant ratio, we can take the 2^{nd} term and divide by the 1^{st} term:

\frac{2nd}{1st}=\frac{12}{15}=\frac{4}{5}

So, our common ratio is r=\frac{4}{5}.

We already know our initial term, a_0 is 15, so we get:

a_n=a_0(r)^{n-1}\\a_n=15(\frac{4}{5})^{n-1}

Mathematics
Step-by-step answer
P Answered by PhD

The solution is in the following image

The solution is in the following image
Mathematics
Step-by-step answer
P Answered by PhD

F=ma

where F=force

m=mass

a=acceleration

Here,

F=4300

a=3.3m/s2

m=F/a

    =4300/3.3

    =1303.03kg

Mathematics
Step-by-step answer
P Answered by PhD

Here,

tip=18%of $32

tip=(18/100)*32

=0.18*32

=$5.76

Total payment=32+5.76=$37.76

Mathematics
Step-by-step answer
P Answered by PhD

Salesperson will make 6% of 1800

=(6/100)*1800

=108

Salesperson will make $108 in $1800 sales

Mathematics
Step-by-step answer
P Answered by PhD

The answer is in the image 

The answer is in the image 
Mathematics
Step-by-step answer
P Answered by PhD

30% of 420 are first year students

first year students = (30/100 )*420

=126 students

Student who are not in first year = 420-126

=294 students  

Mathematics
Step-by-step answer
P Answered by PhD

tip=18% of 75.45

     =18/100 * 75.45 = $13.581

Tip = $13.581

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