Write an explicit formula for An, the nth term of the sequence 7, 42, 252, ...

Answers

Answer 1

Answer:

Step-by-step explanation:

This is a geometric progression.

Givens

a1 = 7

r = 6

Formula

a_n = a1 * r^(n - 1)

a_n = 7 (6)^(n - 1)

Sample

Try n = 3

a_3 = 7*(6)^(3-1)

a_3 = 7*(6)^2

a_3 = 7 * 36

.a_3 = 252      which is exactly what it should be.


Related Questions



A wire attached to the top of a building makes a 15° angle with the ground. If the building is 25 feet high, how

long is the wire?

Answers

Answer:

96.6feet

Step-by-step explanation:

,

From the attachment, we can see that a triangle is formed.

From trigonometry,

Sin(X)= opposite/hypothesis

Where Opposite sides=25feet

Hypotenuse sides= X feet

Sin(15)= 25/X

Cross multiply

Sin(15)= 0.2588

0.2588=25/X

X= 25/0.2588

X=96.6feet

Hence, the wire is 96.6 feet high

CHECK THE ATTACHMENT FOR THE FIQURE.

PLEASEEE HELPPP me!!!!!

Answers

Since you have 2/3 and after you give the bus driver chocolate you have 1/3 left, then you have the bus driver 1/3 because 1/3+1/3 equals 2/3. So you give the bus driver 1/3

So is 0.147 a rational number?

Answers

Answer:

Yes because it is a terminating decimal.

Step-by-step explanation:

The midpoint of AB is M(-3,-3). If the coordinates of A are (-5, -1), what are
the coordinates of B?

Answers

Answer:

The coordinates of B are (-1, -5).

Step-by-step explanation:

Since the x-coodinate of M is 2 greater than that of B (note that -3 = -5 + 2), the x-coordinate of B is found by adding 2 to -3, obtaining -1.  The y-coordinate of M is -3, which is 2 less than the y-coordinate of A;  Thus, the y-coordinate of B is 2 less than -3, that is, -5.

The coordinates of B are (-1, -5).


A fish tank, shaped as a cube, has a volume of 36 liters, or 2,197 in? What are the dimensions of the fish tank in inches? Use
Each edge of the fish tank measures
in.

Answers

eidjdjdjdndndnsjwisshsbs and dc chick-fil-a


someone please help, i’m stuck on this question

Answers

Answer:

Step-by-step explanation:

f(-1)=-(-1)²+(-1)

    =-1-1

    = -2

Answer:

that's the answer for you..

Write the inequality in words.

5n – 10 > 26

Ten less than five times a number is greater than twenty-six.

Ten less than a number is less than or equal to twenty-six.

Five times n less than ten is twenty-six.

Ten plus five times a number is less than or equal to twenty-six.

Answers

Answer:

The mathematical sentence that describes the inequality 5n - 10 > 26 is: Ten subtracted from 5 times n is greater than 26. I hope this mathematical sentence is what you are looking for,

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

Inequality Form:

n

>

36

/5

Interval Notation:

(

36

/5

,

)

Answer:

The Answer is, (A) Ten less than five times a number is greater than twenty-six.

Step-by-step explanation:

What is raw materials? With an example. ​

Answers

Unprocessed material ,, like steel, oil, Gasoline etc
Raw materials are the basic materials from which a product is made. For example metal, rock, clay, or wood. Hope that helps!

Helpppppp mehhhhhh plssss

Answers

Answer:

b

Step-by-step explanation:

The answer is B broo

7:5 is equivalent to...?​

Answers

Answer:

6:0

Step-by-step explanation:

Thank me later :)))))))))

2. it's not B
Write a rule for the linear function shown in the graph.



A. y = -5/2x - 1

B. y = 3x – 1

C. y = 2/5x + 1

D. y = 5/3x + 1

Answers

Answer:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

Point Form:

( 0 ,   1 )

Equation Form:

x = 0 ,     y = 1

Step-by-step explanation:

Graph.

y = − 5/ 2 x − 1

y = 3 x − 1

y = 2/ 5 x + 1

y = 5/ 3 x + 1

Robin was given a $40 monthly allowance. She wants to go to the movies as many times as possible and have at least $12.50 left at the end of the month to go to a concert. A movie ticket costs $5. How many times can she go to the movies?

Answers

Answer:

5 times

Step-by-step explanation:

5*5 is 25

40-25=15$ left

any more movie tickets would be too much money spent

If Robin was given a $40 monthly allowance. She wants to go to the movies as many times as possible and have at least $12.50 left at the end of the month to go to a concert. A movie ticket costs $5. Then she can go six times to the movies.

What is Equation?

Two or more expressions with an Equal sign is called as Equation.

Given,

Robin was given a $40 monthly allowance.

She wants to go to the movies as many times as possible and have at least $12.50 left at the end of the month to go to a concert.

The amount spent on movies

40-12.5

$27.5

A movie ticket costs $5.

We need to find how many times can she go to the movies.

To find this we need to divide $27.5 by 5

$27.5/5=5.5

Robin can go 6 times to the movies.

To learn more on Equation:

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HELP.... BRAINLIEST FOR ANYONE WHO ANSWERS
Kelly walks 1/3 mile to school. Justin’s walks 75% longer. How far does Justin walk to school?

Answers

Answer:

7/12 miles i think

Step-by-step explanation:

3/4 x 1/3 = 1/4

1/3 + 1/4 = 7/12 miles

What is the value of the expression shown below? 8 + (7 + 1) 2 ÷ 4 ⋅ (5 points) Group of answer choices
7
9
21
24

Answers

Answer:

21

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

A pelican has a wingspan of 8 feet.
An eagle has a wingspan of 6 feet.
How much longer is the wingspan
of a pelican?

Answers

Answer:

I'm pretty sure the answer would be 2 feet.

Step-by-step explanation:

8-6=2

4х2 - 3x + 2,
How many terms are there

Answers

Answer:

3

Step-by-step explanation:

We are given an expression and are asked how many terms are there.

When it comes to terms, we need to see how many numbers have different endings, this can be variables, symbols, and exponents.

Looking into it, we see 4x^2 - 3x + 2

These are all different terms, therefore there are 3 different terms.

How do i learn this subject easily?

Answers

Answer:

try to download app that can help you, watch videos on how to do the problems or ask help with someone you know or just take notes that makes you understand better

Step-by-step explanation:

Answer: What subject ???

Explanation:

•Take notes
•Watch tutorials
•Practice daily
•Practice it with someone who’s good at that subject

PLEASEEEE I BEG YOU PLZZZ SOMEBODY GIVE ME THE RIGHT ANWSERSS TO THESEEE AND I DONT WNAT ANY WRONG ONES ARE REPORT JUST HELPP CUSE LAST WEEK EVERYBODY GOT IT WRONG!!!!!

Answers

Answer:

Step-by-step explanation:

Question 1: C

1 multiplied by 5 = 5

1 plus 5 = 6

So you get: (x+5)(x+1) which means x = -5 or -1

Question 2: B

2 multiplied by -4 = - 8

2 plus -4 = -2

So you get: (x-4)(x+2) which means x = 4 or -2

hi can you please tell me what the answers are?​

Answers

Answer:

m<PTQ=90

m<TSR=45

PT=9

A number of complaints were received from the users saying that the pencil was sliding on

paper and therefore it had become difficult to write. What is the probable reason for this?A number of complaints were received from the users saying that the pencil was sliding on

paper and therefore it had become difficult to write. What is the probable reason for this?​

Answers

Answer:

Graphite is a form of carbon.

Step-by-step explanation:

Pencils are usually made from graphite and clay.

Now, graphite is a from of carbon and as such it is soft due to the weak intermolecular forces it possesses in between it's layers. Therefore if the graphite is increased, this will make the pencil not to be hard enough when writing and easily slide.

I need help, I don't just need to answer I need to know the steps on how to solve it asap

Answers

Your goal when solving problems like these are to get V by itself. Meaning, on one side of the equal sign. So first you are to add -2 over to the side with the 4. Then multiple that by 11. To undo the division

Fill in the blanks
A
integers.
is an algebraic expression that contains a variable to the power of one.
is an example.
is a rational number that is multiplied by a variable. A
is a number that can be written as the ratio, or fraction of two
in the expression is an example of a coefficient
are terms whose variables and their exponents are the same. One example is
and -7y.
2y
Like-terms
4
6x+5
linear-expression
4z
rational-coefficient
rational-number

Answers

Answer:

Step-by-step explanation:

okay here’s the answers in order

Linear-expression

6x+5

rational coefficient

rational-number

4

4z

Like-terms

2y

At an apple orchard, customers use a standard-size box when picking apples. The table shows the total weight of the box of apples and the weight of the apples alone.

Question: Which statement is true?

The equation a= 7.5t models the relationship.

If the total weight of the box is 15 lb, then the weight of the apples is 13.5 lb.

If the total weight of the box is 20 lb, then the weight of the apples is 21.5 lb.

To find any value of a, subtract 2.5 from the corresponding value of t

Table:
Total weight of box (lb), t: 7.5
10
12.5
Weight of apples (lb) a: 6
8.5
11

Answers

Answer:

here's the right answer- someone on a different website said the same weird thing as the person before me smh

Step-by-step explanation:

If the total weight of the box is 15 lb, then the weight of the apples is 13.5 lb.

Option (2) is correct.

What is an equation?

Equation: A declaration that two expressions with variables or integers are equal. In essence, equations are questions, and attempts to systematically identify the solutions to these questions have been the driving forces behind the creation of mathematics. Simple algebraic equations with merely addition or multiplication to differential equations, exponential equations with exponential expressions, and integral equations are examples of different types of equations. They are employed to represent a number of physics laws.

As per the given data:

The table shows the total weight of the box and the weight of the apples.

From the table:

Total weight of the box - weight of apples = weight of box

7.5 - 6 = 1.5 lb

10 - 8.5 = 1.5 lb

12.5 - 11 = 1.5 lb

If the total weight of the box is 15 lb and the weight of the apples is 13.5 lb

15 - 13.5 = 1.5 lb {weight of box}

Which satisfies the data in the table.

Hence, If the total weight of the box is 15 lb, then the weight of the apples is 13.5 lb.

To learn more about equation, click:

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(The given question is incomplete, the complete question is given below)

B is the midpoint of AC and AC=8r-20,and AB=3x-1
Find BC

Answers

Answer:

BC = 26

Step-by-step explanation:

since B is the midpoint of AC, then AB = BC

AC = 8x - 20 & AB = 3x - 1

AC = AB + BC or 2AB

8x - 20 = 2(3x - 1)

8x - 20 = 6x - 2

subtract 6x form each side

2x - 20 = -2

add 20 to each side

2x - 20 + 20 = -2 + 20

2x = 18

x = 9

BC = 3x - 1

BC = 27 - 1

BC = 26

AC = 52

Find the product. (6y − 2)2

Answers

Answer:

36y² - 24y + 4

Step-by-step explanation:

(6y - 2)² = (6y - 2)(6y - 2)

Each term in the second factor is multiplied by each term in the first factor, that is

6y(6y - 2) - 2(6y - 2) ← distribute both parenthesis

= 36y² - 12y - 12y + 4 ← collect like terms

= 36y² - 24y + 4

Greg’s family went to the movie theater and bought tickets and popcorn. They spent $35 altogether with $9.50 spent on popcorn. Write an equation that can be used to find out how much money x they spent on tickets.

Answers

Well I got

x = 35 - 9.50

Last month Tara worked 16.5 hours the first week, 19 hours the second week, 23 hours the third week and 15.75 hours the fourth week. She plans to work more hours this month then last month

Answers

Answer:

74.25

Step-by-step explanation:

1. The surface area of a cube whose edges have lengths of 5 inches each is equal to which of the
following?
(1) 25 square inches
(2) 75 square inches
(3) 125 square inches
(4) 150 square inches
5 in
5 in
5 in

Answers

Answer:

150 square inches

Step-by-step explanation:

TSA=6a^2

6*5*5

is 150 square inches

GIVING BRAINLIEST ‼️

order the following numbers from least to greatest. 3/4, -1/8, |1/4|, -3, -1/2, |-1|

Answers

the series : 6/8 , -1/8 , 2/8 , -24/8 , -4/8 , 8/8

the ascending arrangement : -24/8 , -4/8 , -1/8 , 2/8 , 6/8 , 8/8

=

-3 , -1/2 , -1/8 , |1/4| , 3/4 , |-1|

pls give me brainliest

PLEASE HELP Find the product of( -3-2i ) and it’s conjugate.

Answers

I believe the answer is -(-3-2i)
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