What represents the recursive formula for the arithmetic sequence an=7-3(n-1)

Answers

Answer 1

Answer:

[tex]\left\lbrace\begin{aligned}& a_{1} = 7 \\ & a_{n+1} = a_{n} - 3 && \text{for $n \ge 1$}\end{aligned}\right.[/tex].

Step-by-step explanation:

An arithmetic sequence could be defined using only two pieces of information:

The first term of this sequence, [tex]a_{1}[/tex].The common difference between two consecutive terms of this sequence, [tex]d[/tex].

The arithmetic sequence in this question is given in the explicit form, [tex]a_{n} = 7 - 3\, (n - 1)[/tex], which is equivalent to [tex]a_{n} = 7 + (-3)\, (n - 1)[/tex]. In the explicit form, [tex]a_{1}[/tex] and [tex]d[/tex] are described in the same equation:

[tex]\text{$a_{n} = a_{1} + d\, (n - 1)$ for $n \ge 1$}[/tex].

Compare [tex]a_{n} = a_{1} + d\, (n - 1)[/tex] with [tex]a_{n} = 7 + (-3)\, (n - 1)[/tex]: [tex]a_{1} = 7[/tex] whereas [tex]d = -3[/tex].

When an arithmetic sequence is given in the recursive form, [tex]a_{1}[/tex] and [tex]d[/tex] are specified in two separate equations:

[tex]\left\lbrace\begin{aligned}& a_{1} = a_{1} \\ & a_{n+1} = a_{n} + d && \text{for $n \ge 1$}\end{aligned}\right.[/tex].

In this question, it was found that [tex]a_{1} = 7[/tex] whereas [tex]d = -3[/tex]. Hence, the corresponding recursive formula for this arithmetic sequence would be:

[tex]\left\lbrace\begin{aligned}& a_{1} = 7 \\ & a_{n+1} = a_{n} + (-3) && \text{for $n \ge 1$}\end{aligned}\right.[/tex].


Related Questions

The digit 6 in which number represents a value of 6?
Choose 1 answer:
1)906
2)644
3)565

Answers

Answer:

1) 906

Step-by-step explanation:

It's in the ones value making it represent the value of 6

The answer is the first choice: 906

Explanation:

The six in that number is in the ones place without any placeholder behind it, the only other numbers are informs of the number 6.

Therefore the digit six in 906 has the value that represents its actual value: 6

Who was in Paris ???? ?
Who?

Answers

Answer:

N.ice I.ndividual G.iven G.ood A.spects S.eriously was in paris

Step-by-step explanation:

Answer:

the French

Step-by-step explanation:

write (n+4)(n+3)(n+2) as a permutation

Answers

Answer:

1267 456 578 123 679 333 5

Step-by-step explanation:

yo

A marathon runner ran the first 5 miles in 32.5 min. If she
continues running at this pace, how long will it take her to run
The entire marathon of 26.2
miles?

Answers

Answer:

It will take her 170.3 minutes to run the entire marathon

Step-by-step explanation:

Use dimensional analysis, the miles will cancel out.

[tex]\frac{26.2 mi}{1}[/tex] ×  [tex]\frac{32.5 min}{5 mi}[/tex] =  [tex]\frac{26.2(32.5)}{5}[/tex]min = 170.3 min

a rectangular hall is 16 m tall and 12 metre wide. how many marble slabs of size 25 CM X 15cm needed to cover the floor of the hall?​

Answers

Answer:

5120 tiles.

Step-by-step explanation:

Do one thing.

Find out the area of the rectangular hall.

Find out the area of the marble slab.

Remember, the units are to be made same.

Now, to know the number of marble tiles required to fill the hall, you just have to divide the area of the hall with the area of the marble tile.

Calculations-

Area of the rectangular hall = length x width = 1600 x 1200 (we converted 'm' to 'cm') = 1920000 sq. cm.

Area of one marble tile = 25 x 15 = 375 sq. cm.

Now you divide the numbers and get 5120 tiles.

what are the x and y intercepts of the equation -2x +3y=10

Answers

Answer:

Step-by-step explanation:

To find the x-intercept, let y = 0 and solve the resulting equation for x:

-2x + 3(0) = 10, or -2x = 10.  This results in x = -5; the x-intercept is (-5, 0).

To find the y-intercept, let x = 0 and solve for y:  -2(0) + 3y = 10, or y = 10/3.

The y-intercept is (0, 10/3).

Write these expressions in exponential form. Example: 12 to the power of 2 x 12 to the power of 6= 12 to the power of 2 +6

1. 11 to the power of 16 x 11 to the power of 1=

2. a to the power of 6 x a to the power of 8 =

3. (-2) to the power of 12 x (-2) to the power of 1=

4. 1.1 to the power of 7 x 1.1 to the power of 9 =

5. 3 to the power of 4 x 5 to the power of 2 =

Answers

Step-by-step explanation:

1. 11 to the power of 16 x 11 to the power of 1

[tex]11^{16}*11^1=11^{16+1}=11^{17[/tex]

2. a to the power of 6 x a to the power of 8

[tex]a^6*a^8=a^{6+8}=a^{14}[/tex]

3. (-2) to the power of 12 x (-2) to the power of 1

[tex](-2)^{12}*(-2)^1=(-2)^{12+1}=(-2)^{13}[/tex]

4. 1.1 to the power of 7 x 1.1 to the power of 9

[tex]1.1^7*1.1^9=1.1^{7+9}=1.1^{16}[/tex]

5. 3 to the power of 4 x 5 to the power of 2

Assumed it is both 3 or 5, we take 3

[tex]3^4*3^2=3^{4+2}=3^6[/tex]

-2(x + 3) = -2(x + 1) - 4​

Answers

i’m working on something like that now

Answer:

infinite solution

Step-by-step explanation:

-2 times x is -2x

-2 times 3 is -6

-2 times x is -2x

-2 times 1 is -2

the equation now looks like this:

-2x-6=-2x-2-4

Simplify

-2x-6=-2x-6

0=0

So this is an infinite solution

Hope this helps!

what is the difference between a categorical and continuous variable?

Answers

Categorical- assigned to discrete categories
Continuous- can take any value in a range

HELP PLEASE ASAP HELP!!!!!!!!!!
AWARD: 100 POINTS GIVEN!!!!!!!!
Smith was the top scorer in a​ women's professional basketball league for the 2006 regular​ season, with a total of 850 points. The number of​ two-point field goals that Lindsey made was 57 less than double the number of​ three-point field goals she made. The number of free throws​ (each worth one​ point) she made was 41 less than the number of​ two-point field goals she made. Find how many free​ throws, two-point field​ goals, and​ three-point field goals Lindsey Smith made during the 2006 regular season.

Answers

Answer:

She made 138, 179 two point field goals and 118

3-point field goals during the regular season

Step-by-step explanation:

Answer:

118, 138, and 179 points

Step-by-step explanation:

x = 3-point goals

2-point goals = 2x - 57

free throws = 2x - 57 - 41

3x + 2x * (2x - 57) + (2x - 57 - 41) = 850

3x + 4x - 114 + 2x - 98 = 850

9x = 1062

x = 118

2x - 57 = 2 * 118 - 57 = 179

2x - 57 - 41 = 138

ASAP PLZ
Melissa is driving on the highway at the legal speed of 65 mi/h. She notices there is an accident ahead approximately 200 feet away. Her reaction time is 0.75 of a second. Is she far enough away to bring the car to a safe and complete stop?
*Round your answers to 2 places after the decimal!
1 Reaction distance =
2 Breaking distance =
3 Total Stopping Distance =
4 yes or no

Answers

Answer:

You are asked to find the skid distance given the speed,

the drag factor, and the braking efficiency.

Step-by-step explanation:

Use the skid speed formula. S = √

_______

30Dfn

Substitute 50 for S, 1.2 for f,

and 0.9 for n. 50 =√

___________________

30 × D × 1.2 × 0.9

Simplify the expression under the radical. 50 = √

_______

32.4D

Jerrold ran a race that was 3 5/8 miles long. What is 3 5/8 written as a decimal?

Answers

Answer:

3.625

step by step explanation :

I  just simply searched it up

find the distance between the 2 numbers on a number line. 6 and -4 1/4

Answers

Answer:

10 1/4

Step-by-step explanation:

[tex]6 - ( - 4 \frac{1}{4} )[/tex]

two negatives make a positive

[tex]6 + 4 \frac{1}{4} = 10 \frac{1}{4} [/tex]

-3b+7b+5= -19

I believe the answer is -6

Answers

Answer:

B = -6

Step-by-step explanation:

so yes, you're correct.

Define the following terms and give an example of each. 1) Exponent 2) Base 3) Power 5) Expanded form 6) Standard form 4) Exponential form plzzzzzzz help me plzz

Answers

Answer:

Exponent - "a quantity representing the power to which a given number or expression is to be raised"

Base - "The number that gets multiplied when using exponents"

Power - "The number of times you use the number in multiplication"

Expanded Form - "A way to write a number by adding the value of its digits"

Standard form - "A way of writing down very large or very small numbers easily."

Exponential form - "a shortcut way of writing repeated multiplication involving base and exponents"

Help ASAP I’ll mark you as brainlister

Answers

Answer: It would be about 10 cents an ounce.

Step-by-step explanation:

1.25/12 = ~.10

Is it
A) <1 and <3
B) <2 and <6
C) <1 and <2
D) <2 and <8

Answers

Answer:

B) Angles <2 and <6

Step-by-step explanation:

They are corresponding angles

jack want to buy a coat that cost 74.95 the sales tax rate in his city 61/2% what is the total costfor the coat

Answers

Answer:

$79.7468

Step-by-step explanation:

I can’t seem to find the right answer no matter what I try

Answers

Blank1)40cups of lemonade
Blank2)52cups of lemonade
Blank3) 200 cups of lemonade
Blank4) 64

Blank 1) 4
Blank 2) 5
Blank 3) 14
Blank 4) 1.5

Given that D, E, and F are the midpoints of their respective sides, and AC = 24, what’s the length of line segment DE?

Question options:

2 units

12 units

4 units

6 units

Answers

The ratio of their corresponding sides will remain constant. Then the measure of the side length DE is 12 units.

What is the triangle?

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

Given that D, E, and F are the midpoints of their respective sides of the triangle and AC = 24.

Then the length of line segment DE will be

We know that the triangle ΔABC is similar to the triangle ΔDBE. Then we have

BC = 2BE

Then the ratio of their corresponding sides will be

 BE/BC = DE/AC

BE/2BE = DE/24

       DE = 24/2

       DE = 12

Then the correct option is B.

More about the triangle link is given below.

https://brainly.com/question/25813512

#SPJ1

A doctor has 12000 paitents .
4560 of these paintents are male .
What percentages of these paintents are female ?

Answers

Answer:

38

Step-by-step explanation:

Equation for percentage change is

Difference/total x 100

so 4560/12000x100=38%

Answer: i’m sure it’s 62%

Step-by-step explanation:

3/2(4x – 1) – 3x = 5/4 – (x + 2)

Answers

X = 3/16 or in decimal form X = 0.1875

Hope it helps!

Brainliest would be nice but you don’t have to :)

Write an equation for the line parallel to the given line that contains C.
C(-1,5); y = 8/9x+2
*

Answers

Answer:

y = 8/9x + 53/9

Step-by-step explanation:

5 = 8/9(-1) + b

45/9 = -8/9 + b

b = 53/9

HELP ME!!
Gavin jarred 6 liters of jam after 2 days. How many days did Gavin spend making jam if he jarred 24 liters of jam?

Answers

Answer: 8

Step-by-step explanation:

He made 3 a day so 3x8 is 24

Need help ASAP! Directions in picture;)

Answers

Answer:

it is 8

Step-by-step explanation:

A shape is shown on the graph: A coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair 2, negative 2 and 4, negative 2 and 2, negative 6. Which of the following is a reflection of the shape? (5 points) Group of answer choices A coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair negative 2, negative 2 and negative 4, negative 2 and negative 4, negative 6. A coordinate grid is shown from positive 8 to negative 8 on the x-axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair 2, 2 and 4, 2 and 2, 6. A coordinate grid is shown from positive 8 to negative 8 on the axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair negative 2, negative 4 and negative 6, negative 4 and negative 6, negative 2. A coordinate grid is shown from positive 8 to negative 8 on the axis and from positive 8 to negative 8 on the y-axis. A triangle is shown on ordered pair 2, 2 and 2, 4 and 6, 2.

Answers

Answer:

Step-by-step explanation:

the answers the second one.

Answer:

D

Step-by-step explanation:

the answer is d

Plsss help answer the question don’t just get the points and not answer my question Plss I’m struggling

Answers

Answer:

This is cheating

Step-by-step explanation:

First you follow what your teachers tell you to do and listen

Part E
? Question
How would the situation change if the interest on Emma's credit card were compounded annually
rather than monthly, and she didn't make any payments toward the balance?
Select the correct answer from each drop-down menu.
After 4 years, Emma would owe approximately $ M for her original purchase of $300.
It would take around years for her balance to increase from $300 to $450.

Answers

Answer:

$525

2.9 years

Step-by-step explanation:

This question is about financial management. It is to be noted that it would take around 2.9  years for her balance to increase from $300 to $450.

What is the calculation for the above?

Note that according to the question,

After 4 years, Emma would owe about $525 for her original purchase of $300.

The equation will be:

300 * (1 + x)[tex]^{4}[/tex] = 525 (This is based on the compound interest formula_

⇒ (1+x)[tex]^{4}[/tex] = 7/4 (If we divide both sides by 300)

Hence

x = 0.1502

= 15.02%

When the balance ups from $300 to $450,

We can state that:

300 * ( 1+ 15.02%) [tex]^{y}[/tex] = 450

⇒ Hence, y = 2.9 years.

Learn more about financial management at:
https://brainly.com/question/17155837
#SPJ6

Can anyone help me with this question? please :)

Answers

You would do
7.5 squared plus 16 squared which gives you 312.25.
You then have to square root that which equals to 17.67059705.
Then just make it 1dp and it equals 17.7 cm

On Tuesday at lunchtime, it was -10°C. By sunset, the
temperature had dropped 14°C.

Answers

-24 Celsius that is the answer

Answer:

By sunset the temperature was -24

Step-by-step explanation:

The reason for this is you start off with -10, then the word dropping relates to subtraction, meaning that the equation is -10-14, and when you subtract a negative, you are actually adding to it, so you can drop the negative for now, and you have 10+14 which equals 24, then add the sign back in to get -24C.

Hope This Helps. I would know, figuring I am in High School Statistics.
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