a, a +4,a+8,...
write the nth term of sequence in terms of the first term of the sequence​

Answers

Answer 1

Final answer:

The nth term of the sequence can be found using the formula Tn = a + 4(n - 1), where a is the first term and n is the term position. This is based on the characteristics of an arithmetic sequence.

Explanation:

This pattern indicates that the sequence is an arithmetic sequence, where each term is obtained by adding a constant difference to the preceding term.

To find the nth term of an arithmetic sequence, we use the formula:

Tn = a + (n - 1)d

Where Tn is the nth term, a is the first term, n is the position of the term in the sequence, and d is the common difference between terms. For this sequence, d = 4.

Substituting the known values into the formula gives us:

Tn = a + 4(n - 1)

This expression allows us to calculate the nth term of the sequence given the first term (a) and the position (n) of the term we want to find.


Related Questions

what type of checking account requires a certain amount of money to be kept in it at all times in order to avoid fees

Answers

Answer:

Minimum balance account requires an amount of money to left in it all times in order to avoid fees.

Step-by-step explanation:

We have "many types of account" available in the banking sectors. As per the convenience of the customer, they opt from them. The minimum balance account is the type of account in which the customer has to maintain a standard amount prescribed by the bank in his account, failing to maintain it will lead to the gathering of fine or fee.

Answer:

Minimum Balance account.

Step-by-step explanation:

A minimum balance account is an account type that requires a minimum balance as set by the bank, at all times, in order to waive maintenance fees.

Failing this, certain amount is charged when money is deposited in that account. It can range from few dollars to 500 dollars in some banks.

Which expression is equivalent to 7^3 • 7-^5
I need help !​

Answers

Anwer:

1/7^2

explantion:

The expression equivalent to 7^3 • 7-^5 is 1 / 7^2.

What is an expression?

An expression is a number, or a variable, or a combination of numbers and variables and operation symbols.

Now the given expression is,

7^3 • 7-^5

Now using the exponential property,

n^a . n^b = n^(a+b)

Therefore, we can write as,

7^3 • 7-^5 = 7^(3-5)

Solving we get,

7^3 • 7-^5 = 7^-2

Since, n^-a = 1/n^a

⇒7^-2 = 1 / 7^2

Therefore, we can write

7^3 • 7-^5 = 1 / 7²

this is the required equivalent expression.

Thus, the expression equivalent to 7^3 • 7-^5 is 1 / 7^2.

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State the x-intercept and the y-intercept of the line

Answers

[tex]x=-10, y=5\Longrightarrow\boxed{-10, 5}[/tex]

When you use the distance Formula you are building a right triangle whose ____ connects two given points....

Answers

It’s C) , I believe..

Answer:

option C

Step-by-step explanation:

When we use the distance formula for two points ( x, y ) and ( x', y¹ )

Then formula is (distance)² = (x - x¹)² + (y - y¹)²

This is quite similar to the formula used in a right angle triangle to determine hypotenuse

(Hypotenuse)² = (base)²+(height)²

Therefore, option C is the answer.

The distance between points (3,7) and (x1,y1) is the square root of (x1 - 3)2 + (y1 - 7)2

True or False?

Answers

Answer : True

Explanation : It is according to distance formula.

The answer is True -Apex

ASAP!! The coordinates g(7,3), h(9,0), I(5,-1) form what type of polygon

Answers

Answer:

Triangle (scalene)

Step-by-step explanation:

Polygon is a closed figure.

The names of polygons depends on the number of sides. Some common polygons are:

3 sides - triangle

4 sides - quadrilateral

5 sides - pentagon

6 sides - hexagon

Triangle and Quadrilaterals have their own types as well.

The points G, H , and I are shown in the attached image. As you can see, it creates a 3-sided figure, which is a triangle.

Note: Since all 3 sides have different length, we call it a "scalene triangle"

A distance of 30 miles on a map is represented by a 2-inch line. If the map is enlarged to 3 times its size, what will be the scale of the enlarged map?

PLEASE HELP!

Answers

Answer:

[tex]\frac{1}{5}\frac{in}{miles}[/tex]

Step-by-step explanation:

we know that

The original scale of the map is

[tex]\frac{2}{30}\frac{in}{miles}=\frac{1}{15}\frac{in}{miles}[/tex]

If the map is enlarged to 3 times its size

then

the new scale will be

[tex]\frac{2*3}{30}\frac{in}{miles}=\frac{6}{30}=\frac{1}{5}\frac{in}{miles}[/tex]

Final answer:

The scale of the original map is 2 inches to 30 miles. After enlarging the map 3 times, the new scale will be 1 inch to 15 miles, as 6 inches on the enlarged map would represent 90 miles.

Explanation:

The question is asking to determine the scale of a map after it has been enlarged. The original map scale is such that 2 inches represent 30 miles. If the map is enlarged 3 times its original size, each inch on the original map would now be represented by 3 inches on the enlarged map. Therefore, the 2 inches that originally represented 30 miles would now be stretched out to 6 inches on the enlarged map.

We can determine the new scale setting up a proportion:


Original scale: 2 inches / 30 miles
Enlarged scale: 6 inches / x miles

We know the distances must remain consistent, so we set up the proportion:


2 inches / 30 miles = 6 inches / x miles

By cross-multiplication, we find that:


2x = 180
x = 90

The scale of the enlarged map will therefore be 1 inch representing 15 miles, as we can conclude from 6 inches representing 90 miles.

Help me guys ....

1.What is the probability that a passenger is traveling for business ?

2.Given a passenger did not check their bag,what is the probability that the passenger is traveling for business ?

Answers

Answer:

1. .21

2. .79

Step-by-step explanation:

1. 103/490

2. 387/490

a large pizza has a diameter of 14 inches and is cut into 6 equal pieces. Find the area of 2 pieces, round to the nearest hundredth

Answers

Answer:

The area of two pieces is [tex]51.28\ in^{2}[/tex]

Step-by-step explanation:

step 1

Find the area of the circle (large pizza)

The area is equal to

[tex]A=\pi r^{2}[/tex]

we have

[tex]r=14/2=7\ in[/tex] ----> the radius is half the diameter

assume

[tex]\pi =3.14[/tex]

substitute

[tex]A=(3.14)(7)^{2}[/tex]

[tex]A=153.86\ in^{2}[/tex]

step 2

Divide the area into 6 pieces

[tex]153.86/6=25.64\ in^{2}[/tex]

step 3

Find the area of two pieces

[tex]25.64*2=51.28\ in^{2}[/tex]

what is the next step in the construction of an angle bisector of angle ABC?

Answers

Answer:

A. Use straightedge to connect vertex B to right-most vertex of the equilateral triangle.

Step-by-step explanation:

The process is to create a bisector of angle ABC... so it means cutting angle at vertex/summit B in half.

Drawing a line from the vertex B to the right-most vertex of the equilateral triangle will deliver you the bisector.

The only answer choice that includes vertex B is the answer A, all other answers are dealing with vertex A and C... which will not help you to draw the bisector or angle ABC.

Answer:

Option A is right

Step-by-step explanation:

Given in the picture is an angle B formed by line segments AB and BC

To construct bisector of angle B

First with centre at B a circle is drawn which meets AB and BC at D and E respectively. With same radius equal to DE and centres of D and E two circles are drawn which intersect at the right most point.

The next step is join B to the rightmost vertex of equilateral triangles

This will be the angle bisector of angle ABC

Hence option A is right

What is the volume of the cone pictured? (Use 3.14 for π.)



785 ft 3
104.67 ft 3
261.67 ft 3
314 ft 3

Answers

Answer:

261.67 [tex]ft^{3}[/tex]

Step-by-step explanation:

The formula is 1/3 [tex]\pi r^{2}h[/tex]

Answer:

261.67 ft^3

Step-by-step explanation:

mark me brainy plz!

Jane entered her artworks in a state competition. Her art scores from 7 judges are listed. 9,9,8,7,9,6,8 what is Jane’s mean score? A.6 B.7 C. 8 D.9

Answers

Answer:

C!

Step-by-step explanation:

To find the the mean add all the numbers and divde by the number of numbers. The sum of all the numbers is 56. There are 7 numbers.

56/7 is 8.

B

Because I like the letter b so ha

20 points EZ question plz help urgent

What should be the height of the bar for 11-15 text messages?
A) 1
B) 2
C) 4
D) 5

Answers

Answer:

Its C

hope this helps!!

The correct answer is A .)1

Anaba is stacking cereal boxes in a pyramid-shaped display. The bottom layer has 10 boxes. There are two fewer boxes in each layer than the layer below. How many boxes are in display.

Answers

Answer:

30 boxes

Step-by-step explanation:

~ You begin with the bottom row, which has 10 boxes.

~ You do 10 - 2 to get the number of boxes in the next layer, which is 8.

~ You then take 8 - 2, which is 6 for the next layer up.

~ Take 6 - 2, which is 4 for the next layer up.

~ Take away another two: 4 - 2 is 2.

~ When you take 2 away from 2, you get 0, so you have no more boxes.

~ Then, you add all the different amounts of boxes for each layer:

-> 10 + 8 + 6 + 4 + 2

-> Group smaller numbers together to get two bigger ones:

-> 18 + 12

= 30

Find the height of the cylinder below whose volume is approximately 1000 cubic inches use 3.14 for pi rounder you're answer to the nearest hundredth show your work pls help this is. Big test I got 3 more questions to ask

Answers

Answer:

[tex]h=15.73\ in[/tex]

Step-by-step explanation:

we know that

The volume of a cylinder is equal to

[tex]V=\pi r^{2} h[/tex]

we have

[tex]V=1,000\ in^{3}[/tex]

[tex]r=9/2=4.5\ in[/tex] ----> the radius is half the diameter

substitute and solve for h

[tex]1,000=(3.14)(4.5)^{2} h[/tex]

[tex]h=1,000/[(3.14)(4.5)^{2}][/tex]

[tex]h=15.73\ in[/tex]

Answer:

r = 11 in V =968 pi in3

Step-by-step explanation:

got it right on edge

If Johnny has twice more bottles of dish soap than Carolyn, and Carolyn has 20 more bottles of dish soap than Mr. White, how many bottles of dish soap does Johnny have if Mr. White has 35 bottles of dish soap?

Answers

Answer:

110

Step-by-step explanation:

Answer:

Jesus

Step-by-step explanation:

Why all this dish soap. Sounds like that vine.

write the slope intercept equation. the graph of f passes through (-6,4) and is perpendicular to the line that has an x-intercept of 2 and a y intercept of -6​

Answers

Answer:

y = [tex]-\frac{1}{3} x[/tex] + 2

Step-by-step explanation:

The slope of the line that has an x intercept of (2,0) and y-intercept of (0,-6) is:

Slope(s) = Change in y ÷ change in x

s = [tex]\frac{0 - -6}{2 - 0}[/tex] = 3

The slope of the perpendicular line to this line with slope of 3 has to have a slope of -1 ÷ 3 = [tex]-\frac{1}{3}[/tex]

Reason: The product of slopes of lines perpendicular to each other have to be -1

So the slope of the perpendicular line that passes through (-6,4) is [tex]-\frac{1}{3}[/tex]

As mentioned earlier, we derive a slope of a line by dividing the change in y by the change in x

Taking another point (x,y) on the line,

[tex]-\frac{1}{3}[/tex] = [tex]\frac{y - 4}{x - -6}[/tex]

[tex]-\frac{1}{3}[/tex] = [tex]\frac{y - 4}{x + 6}[/tex]

y - 4 = [tex]-\frac{1}{3}[/tex]x - 2

y = [tex]-\frac{1}{3}[/tex]x + 2

To find the slope-intercept equation of a line that passes through a given point and is perpendicular to another line, we can determine the slope of the given line and use it to find the equation.

To find the slope-intercept equation of a line, we need to know the slope and the y-intercept. Since the line that this problem is referring to is perpendicular to a line with an x-intercept of 2 and a y-intercept of -6, we can determine the slope of the line we are looking for by taking the negative reciprocal of the slope of the given line.

The slope of the given line is found using the formula: slope = (y2 - y1) / (x2 - x1)

Once we have the slope, we can use the point-slope form of a linear equation to find the equation of the line that passes through (-6,4) and has the determined slope. Finally, we can rearrange the equation to obtain the slope-intercept form, which is y = mx + b, where m represents the slope and b represents the y-intercept.

Learn more about Slope-intercept equation here:

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Help!!!!!!

complete the problem involving the linear equation. ​

Answers

Answer:

8. slope = 29. y-intercept = -310. in the attachment

Step-by-step explanation:

The slope-intercept form y = mx + b

m - slope

b - y-intercept → (0, b)

We have the equation

y - 2x = -3              add 2x to both sides

y = 2x - 3

slope m = 2

y-intercept b = -3

We need two points to draw a graph of this linear function.

One is y-intercept (0, -3). The second one is calculated by choosing any value of x and put it to the equation:

for x = 2 → y = 2(2) - 3 = 4 - 3 = 1 → (2, 1).

which equation shows the quadratic function used to solve 7x^2=9+x for x?

Answers

Answer:

Step-by-step explanation:

For this case we have the following equation of the second degree:

[tex]7x ^ 2 = 9 + x[/tex]

Rewriting:

[tex]7x ^ 2-x-9 = 0[/tex]

The solutions will be given by the following equation:

[tex]x = \frac {-b \pm \sqrt {b ^ 2-4 (a) (c)}} {2a}[/tex]

We have to:

[tex]a = 7\\b = -1\\c = -9[/tex]

Substituting the values:

[tex]x = \frac {- (- 1) \pm \sqrt {(- 1) ^ 2-4 (7) (- 9)}} {2 (7)}\\x = \frac {1 \pm \sqrt {(- 1) ^ 2 + 4 (7) (9)}} {2 (7)}[/tex]

Answer:

Option D

Which of the following would not round to 1.2 when rounded to the nearest tenth?

A.1.149
B.1.209
C.1.22
D.1.18

Answers

Answer:

Step-by-step explanation:

A is correct answer

6 cm x 5cm x 4cm what is the volume of the prism in cubic centimeters

Answers

Answer:

120 [tex]cm^{3}[/tex]

Step-by-step explanation:

6 x 5 x 4 =120

Answer:

120 cm^3

Step-by-step explanation:

volume = length * width * height

volume = 6 cm * 5 cm * 4 cm

volume = 120 cm^3

if dy/dt=-10e^-t/2 and y(0)=20 what is the value of y(6)​

Answers

ANSWER

[tex]y (6)= \frac{20}{ {e}^{3} } [/tex]

EXPLANATION

The given equation is:

[tex] \frac{dy}{dt} = - 10 {e}^{ - \frac{t}{2} } [/tex]

We integrate with respect to t to get,

[tex]y = 20 {e}^{ - \frac{t}{2} } + k[/tex]

The initial condition is y(0)=20

We apply the initial condition to get,

[tex]20= 20 {e}^{ - \frac{0}{2} } + k[/tex]

[tex]k = 0[/tex]

This implies that;

[tex]y = 20 {e}^{ - \frac{t}{2} } [/tex]

[tex]y (6)= 20 {e}^{ - \frac{6}{2} } [/tex]

[tex]y (6)= 20 {e}^{-3} [/tex]

Or

[tex]y (6)= \frac{20}{ {e}^{3} } [/tex]

The required solution is [tex]y(6) = 20e^{-3}[/tex]

Integration

Given the following differential equation [tex]dy/dt=-10e^{-t/2}[/tex]

To get the value of y, we will integrate the equation to have:

[tex]y=-20e^{-t/2} + k[/tex]

Given that y(0) = 20, hence;

[tex]20=-20e^{-0/2} + k\\ 20 = 20 + k\\ k = 0[/tex]

Hence the solution to the given integral is [tex]y=-20e^{-t/2} [/tex]

Next is to get y(6)

[tex]y(6)=-20e^{-6/2} \\ y(6) =20e^{-3}}[/tex]

Hence the required solution is [tex]y(6) = 20e^{-3}[/tex]

Learn more on differentiation here: https://brainly.com/question/25081524

Jim earns 3% commission every month on his total sales. This month, his total sales were $620,000. How much commission did Jim earn? Plz show work:)

A. $18,600
B.$20,600
C. $186,000
D. $206,000

Answers

The answer is A. $18,600 because $620,000 × 3% = $18,600

Find the area given figure. A) 44 B)60 C) 84 D) 72

Answers

Answer:

D) 72

Step-by-step explanation:

The way to find the area of this figure easily is to break it down in regular shapes we know.  You can then see it as two horizontal rectangles on top and bottom, measuring 6 x 4 each, then a vertical rectangle in the middle measuring 4 x 6.

So, overall, we have 3 similar rectangles measuring 4x6 or 6x4... which are equivalent.

The area of each of those 3 rectangles is 24 units (6x4).

Since we have 3 of those: 3 * 24 = 72.

What is the area of this figure?
Select from the drop-down menu to correctly complete the statement.






Answers

Answer:

146cm^2

Step-by-step explanation:

Area of trapezoid:

(4+14)/2*10=90

Area of triangle:

(14*8)/2=56

90+56=146

For this case we have a figure composed of a trapezoid and a triangle.

By definition we have that the area of a trapezoid is given by:

[tex]A = \frac {(B + b) * h} {2}[/tex]

Where:

B: It's the biggest side

b: It is the minor side

h: It's the height.

So:

[tex]A = \frac {(14 + 4) * 10} {2}\\A = 90 \ cm ^ 2[/tex]

For its part, the area of a triangle is:

[tex]A = \frac {b * h} {2}[/tex]

Where:

b: It's the base

h: It's the height

[tex]A = \frac {14 * (18-10)} {2}\\A = \frac {14 * 8} {2}\\A = \frac {14 * 8} {2}\\A = 56 \ cm ^ 2[/tex]

Thus, the total area is the sum of the two areas:

[tex]146 \ cm ^ 2[/tex]

ANswer:

[tex]146 \ cm ^ 2[/tex]

Centennial park is evaluating

Answers

Answer:

270,000

Step-by-step explanation:

So, you have a number of people (15) that can stand comfortably within a certain area (5x8 ft = 40 sq feet).  And you need to find out how many people can fit in the whole park area.

First step is to find out how big the park is, in square feet, so we can then evaluate the number of people that we can fit in.

You had the right number for calculating the area of the park:

A = 400 yards x 200 yards = 1,200 feet x 600 feet = 720,000 sq feet

Now, how many people can we fit in there?  Let's use a simple cross-multiplication (x being the number of people fitting in the whole park, what we are looking for):

[tex]\frac{x}{720 000} = \frac{15}{40}[/tex]

By isolating x, we have x = (720,000 * 15) / 40 = 10,800,000 / 40 = 270,000

So, the park could accommodate 270,000 people.

That is of course if there are no trees, no benches, no kids playground or any other infrastructure in the park.

suppose that one student is randomly selected during lunch time. what is the experimental probability if students the brought lunch from house is 55 and students that order school lunch is 45

Answers

Answer:

p(A) = 0.55

p(b) = 0.45

Step-by-step explanation:

Experimental probability = [tex]\frac{Number of favorable outcomes}{Total number of outcomes}[/tex]

total students = 55 + 45   ⇒ 100

let A be the probability that students brought lunch from house = [tex]\frac{55}{100}[/tex] ⇒ 0.55

let B be the probability that students order school lunch = [tex]\frac{45}{100}[/tex] ⇒ 0.45

Use the information given in the table on the right to complete each of the following statements.

Brenda is 50 inches tall. Her z-score is
.

Answers

Answer:

0.5

Step-by-step explanation:

Given that height of 7 year old children are normally distributed with mean =49 inches and std deviation = 2inches

Brenda is 50 inches tall

This means her X score is 50

To convert this X score to Z score we use the formula given below

[tex]z=\frac{x-\mu}{\sigma}[/tex]

Here we know all the values of x, mu and sigma

Just substitute

Z score

=[tex]\frac{50-49}{2} =\frac{1}{2} \\=0.5[/tex]

Thus Z score of Brenda is 0.5

Answer:

0.5

Step-by-step explanation:

plz help 5 star reating and a thanks if someone help

Answers

Answer:

B - +4.

Step-by-step explanation:

The person does not get 4.5 yards.

1/4, -1/4, and -4 do not work as well because negative numbers express loss, and not gain, and the person does not get any fractions.

Answer:

I believe the answer is B. +4

Step-by-step explanation:

Which function is a linear function?

Answers

Answer:

y = f(x) = a + bx

Step-by-step explanation:

independent variable = x

dependent variable =y

Answer:A linear function is a straight line which is just a linear function with the equation y=mx+b

Step-by-step explanation:

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