The first five terms of an arithmetic sequence are 8, 13/2, 5, 7/2, and 2. Which function, f(x), could be used to describe the xth term of the sequence?

f(x)=?

Answers

Answer 1

Answer:

The nth term of the sequence is:

[tex]a_n=\frac{-3n+3}{2}+8[/tex]

Step-by-step explanation:

Given the first 5 terms of the arithmetic sequence

8, 13/2, 5, 7/2, and 2

An arithmetic sequence has a constant difference 'd' and is defined by:

[tex]a_n=a_1+\left(n-1\right)d[/tex]

as the common difference 'd' is:

[tex]d=a_{n+1}-a_n[/tex]

Computing the differences of all the terms

[tex]\frac{13}{2}-8=-\frac{3}{2},\:\quad \:5-\frac{13}{2}=-\frac{3}{2},\:\quad \frac{7}{2}-5=-\frac{3}{2},\:\quad \:2-\frac{7}{2}=-\frac{3}{2}[/tex]

[tex]d=-\frac{3}{2}[/tex]

The first element is:

[tex]a_1=8[/tex]

Therefore, the nth term is computed by:

[tex]a_n=a_1+\left(n-1\right)d[/tex]

[tex]a_n=-\frac{3}{2}\left(n-1\right)+8[/tex]

[tex]a_n=\frac{-3n+3}{2}+8[/tex]

Therefore, nth term of the sequence is:

[tex]a_n=\frac{-3n+3}{2}+8[/tex]


Related Questions

Find the measure of the bolded arc. Round to the nearest hundreth.

Answers

Answer:

4.58

Step-by-step explanation:

i would make sure im correct but i think this is it.

Using the table below, determine the unit rate in points per game. *
games
points
3
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Answers

every game is 14 points if that’s what you’re asking. please mark brainliest if i’m correct

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Answers

Answer:

Nice Shoes..

Step-by-step explanation:

The answer is 16 to the 4th power for #1     89c for #2         and 29f for the third

Find the value of x for which d ||m.

Answers

Answer:

29

Step-by-step explanation:

what's sss, sas, asa, aas, and hi. when it comes to solving triangles?

Answers

Answer:

SSS = side side side

SAS = side angle side

ASA = angle side angle

AAS = angle angle side

What is the answer to 5w ≥ –6w + 11?

Answers

Answer:

w is greater than or equal to 1

Step-by-step explanation:

1. Add the 6w to both sides.

11w is greater than or equal to 11.

2. Divide by 11

w is greater than or equal to 1

Answer:

w>1

add the underline under the greater sign

and dont forget to include { } and |  if needed

Step-by-step explanation:

please please help me!!​

Answers

Answer:

y = 3x-5

Step-by-step explanation:

this is becuase the y-intercept of these points falls to around -5 (a point actually crosses the y axis at -5)

the gradient of these points is too steep to be x and the slope is not negative - therefore the slope must match closest to 3x.

Answer:

ummmmm B.

Step-by-step explanation:

3b+2
The sub for b is 14

Answers

Answer:

44

Step-by-step explanation:

I'm assuming you're meant to multiply so I did 3(14)+2 and it gave me 44 :)

Answer:

so it should be 44

Step-by-step explanation:

So the sub for b is 14 so substitute the b to 14

Then 3(14) they are multiplying so multiply them should equal 42

Then add the 2 the answer should be 44

I hope that you understoood!

Its 8:20, you add 175 minutes to the time. What time is it?

Answers

Answer:

12

Step-by-step explanation:

Answer:

12:00

Step-by-step explanation:

(8x-3y)(8x+3y) solve the following​

Answers

Answer:

64x^2-9y^2

Step-by-step explanation:

hope this helps, have a good day!

find the ratio p:r if p:a=1:2, a:b=2:3, b:c=5:1, c:r=3:2​

Answers

Answer: 2.5

[tex]\frac{p}{a}=\frac{1}{2} => a=2p\\\\\frac{a}{b}=\frac{2}{3}=> b=\frac{3}{2}a=3p\\\\\frac{b}{c}=\frac{5}{1}=>c=\frac{1}{5} b=\frac{3p}{5}\\\\\frac{c}{r}=\frac{3}{2}=>\frac{3p}{5r}=\frac{3}{2}=>\frac{p}{r}=\frac{3}{2}:\frac{3}{5}=2.5[/tex]

Step-by-step explanation:

Which set of ordered pairs represents y as a function of X? a{(-9, 2), (0, 6), (1, -2), (-3, 6)} b{(-1,0), (4, 3), (-7, -3), (-1, -8)} c{(3, 2), (-4,-2), (3, 1), (-4,1)} d{(5, 4), (2, 3), (1, 1), (2,4)}​

Answers

A is your answer

Explanation:

When dealing with functions, x’s never repeat.

Pine St. and main st. Are?

Answers

Answer:

could u add a picture to make it more sepific

Step-by-step explanation:

Guys helpful tip

Go to google and search up M A T H (space) W A Y
it will help u with all ur questions

Answers

Answer:

ok I will try that thx for telling

Thank you for the help I really needed it

Games Galore Super Store buys the latest video game at a wholesale price of $58.00. The markup rate at Game’s Galore Super Store is 40%. You use your allowance to purchase the game at the store. How much will you pay, not including tax?

Answers

Answer:

Step-by-step explanation:

30 + .40(30) =  30(1 + .40)  = 30(1.4)  = $42


WILL MARK BRAINLIEST

Which linear function represents the line given by the point-slope equation y + 7 =-(x + 6)?
•f(x)= -2/3x -11
•f(x)=-2/3x-1
•f(x)=-2/3x+3
•f(x)=-2/3x+13​

Answers

Answer:

im 6 sorry

Step-by-step explanation:

Any help is appreciated!!

Answers

Answer:

Step-by-step explanation:

600,000,000

Answer:

[tex]1.872 \times {10}^{13} [/tex]

Step-by-step explanation:

Simply multiple the values listed

[tex]3.12 \times {10}^{5} \\ \times 6 \times {10}^{7} [/tex]

You can just multiply the values and keep it in scientific notation. No reason to multiply all if it to find the answer.

[tex]18.72 \times {10}^{12} [/tex]

Now we have to put it into scientific notation, simply move the decimal to the left by 1 and add to the exponenet by 1.

[tex]1.872 \times {10}^{13} [/tex]

A line passes through the points (-10, -3) and (-5, 1). What is the slope of the line?

Answers

Answer:

m= 4/5

Step-by-step explanation:

use the formula (y2 - y1)/ (x2 - x1)

(-10, -3) (-5, 1)

1-( -3)/-5-( -10)= 4/5

Help needed, much appreciated

Answers

Answer:

1/6

Explain:

The reciprocal of the slope is its perpendicular.

6/1 --> 1/6

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Answers

Answer:

2178

Step-by-step explanation:

Given h(x) = -x + 2, solve for x when h(x) = -3.

;-;

Answers

-3 = -x + 2
-2 -2
-5 = -x
/-1 /-1
5 = x

The value of x when h(x) =-3 is 5.

What is Algebra?

A branch of mathematics known as algebra deals with symbols and the mathematical operations performed on them.

Variables are the name given to these symbols because they lack set values.

In order to determine the values, these symbols are also subjected to various addition, subtraction, multiplication, and division arithmetic operations.

Given:

h(x) = -x + 2

Now, we have to find the value of x when h(x)= -3

So, h(x)= -3

-x+ 2= -3

Now, Subtracting 2 from both side

-x+ 2 -2= -3 -2

-x = -5

x= 5

Hence, the value of x is 5.

Learn more about Algebra here:

https://brainly.com/question/24875240

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Jason invests money in an account paying simple interest. He invests $160 and no money is added or removed from the investment. After one year, he has $164.80. What is the simple percent interest per year?

Answers

Answer: 1.03% Explanation: Divide the amount of money after 1 year by his original investment.

Answer:

The answer is 3%

Step-by-step explanation:

1.) $160 divided by $164.80 = 1.03

2.) 1.03 x 100 = 103

3.) 103 - 100 = 3

4.) 164.80 - 160 = 4.80

5.) 4.80 divided by 160 = 0.03

6.) 0.03 x 100 = 3%

A principal at a large high school wants to estimate the number of days freshmen regularly ride the bus to school.
The principal randomly selects 35 freshmen and asks them how many days per week they ride the school bus. The
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O using a sample of size 30
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O constructing a 99% confidence interval

Answers

Answer:

b. using a sample of size 40

Step-by-step explanation:

edg 2020

Answer:

B. using a sample of size 40

Step-by-step explanation:

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Answers

stops or repeats, the number is rational. does not stop and does not repeat, the number is irrational.

-7-2/3x=6

what is x
pls tell me quickly

Answers

Answer:

x = -39/2

Step-by-step explanation:

Answer:

Step-by-step explanation:

Exact Form: x=-(39)/(2)

Mixed Form: x=-19(1)/(2)

please help asap!! thank you :)

Answers

Answer:

About 3800

Step-by-step explanation:

A fish is swimming at a vibrant rate toward the ocean floor. The equation y=-7x-3 can be used to represent this distinction, where y is the depth of the fish in meters below sea level and x is the number of seconds the fish has been swimming. Which statement best describes the depth of the fish,given this equation.

A.From a starting position of 7 meters below sea level, the fish is descending 3 meters per second.

B.From a starting position of 7 meters below sea level, the fish is ascending 3 meters per second .

C.From a starting position of 3 meters below sea level, the fish is descending 7 meters per second.

D.From a starting position of 3 meters below sea level, the fish is ascending 7 meters per second.

Answers

Answer:

C. From a starting position of 3 meters below sea level, the fish is descending 7 meters per second.

Answer:

C

Step-by-step explanation:

y = -7x - 3 is a linear function that follow y = mx+b. M is the slope or rate. Here m = -7 so the fish descends 7 meters per second. B is the y-intercept or starting position. Here the starting position is -3 so the fish starts 3 feet below sea level.

PLEASE HELP ME I NEED THE ANSWER!!!!!!!!!!!!!

The floor of an elevator in a building is 30 feet above ground level. It travels down to the lower level of the building, where the floor is 10 feet below ground level. What distance has the elevator’s floor traveled?

Answers

Answer:

40 feet

Step-by-step explanation:

You have to add the 30 feet above to the 10 feet below to get 40

Your Answer is the elevator traveled 40 Feet.

Which of the following could NOT be the measures of the angles of a triangle?
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O B. 70°-50-70°
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D. 30°-120°-30°

Answers

the angles of a triangle always equals 180 degrees, so all of them cant be the measure of the angles of a triangle except for D

You are saving for a new tablet? Suppose you have $200 to start, and you need to keep the money in a bank account. Plan A: An additional $20 per month will be added to your account each month. Plan B: An additional 10% of the balance at the time will be added to the account each month. Using the above plans, determine the following: 1) What is the balance of each account after 1 month? After 2 months? After 3 months? 2) What is the balance of each account after 12 months? 3) Which plan would you choose? Explain and give details. Use the DESMOS testing link for assistance if you want to create graphs.​

Answers

Answer: ok

Step-by-step explanation: not sure

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