a(n)=
2
3

(−2)
n−1 what is the 3rd term in sequence

Answers

Answer 1

The third term of the geometric sequence will be 8/3.

What is a geometric sequence?

A series of non-zero integers where every term after the first is obtained by increasing the one before it by a constant, non-zero value known as the scale factor.

Let a₁ be the first term and r be the common ratio.

Then the nth term of the geometric sequence is given as,

aₙ = a₁ · (r)ⁿ⁻¹

The equation is given below.

aₙ = (2/3) · (-2)ⁿ⁻¹

The third term of the geometric sequence will be given as,

a₃ = (2/3) · (-2)³⁻¹

a₃ = (2/3) · (-2)²

a₃ = (2/3) · (4)

a₃ = 8 / 3

The third term of the geometric sequence will be 8/3.

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Related Questions

HELP MAN PLEASE IM CRYING I NEED HELP I WILL DO ANYTHING

Answers

Answer:

see below

Step-by-step explanation:

OK, so volume of LxWxH. so for shape 1 it's 14x8x7=784

Its asking for base times height which is 112 so the blanks are 112 then 7 then 784

the second one is the same. the base is 81 times the height of 9 which is 729

so the blanks are 81 than 9 than 729

the third base is 20 times height of 11 which is 220

so the blanks are 20 than 11 than 220

Find a quartic function

Answers

The quartic equation y = x⁴ - x³ - 5 · x² - x - 6 has x = - 2 and x = 3 as its only real zeros. (Correct choice: C)

What quartic equation contains a given set of zeros?

Quartic equations are polynomials of grade 4, whose standard form is described below:

y = a · x⁴ + b · x³ + c · x² + d · x + e

Where a, b, c, d, e are real coefficients. A value of x is a zero of a polynomial when the result is equal to zero. The quickest way to find the polynomial is by evaluating each expression at x = - 2 and x = 3:

x = - 2

y = (- 2)⁴ - (- 2)³ - 5 · (- 2)² - (- 2) - 6

y = 16 + 8 - 20 + 2 - 6

y = 0

x = 3

y = 3⁴ - 3³ - 5 · 3² - 3 - 6

y = 81 - 27 - 45 - 3 - 6

y = 0

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Three people are sitting on a bus. Julian is seated 4 meters directly behind Elena and 3 meters directly left of Isabella. How far is Elena from Isabella?

Answers

Answer:

sq root of 21=7

Step-by-step explanation:

we need to use Pythagoras theorem

so distance(isa-jul)^2 +distance(ele-jul)^2= distance(isa-ele)^2

now just do the square root and there you go.

Write an expression for the cost of a drink and popcorn for one person

Answers

Answer:

popcorn is usually around 5 dollars and a drink is 3 so: 5 x 3

Step-by-step explanation:

Answer:

drink (d) + popcorn (p) = total cost

i tried using brainly but i couldnt find this question!

Answers

Answer:

dddd

Step-by-step explanation:

What is the image of the point (-7,-8) after a rotation of 180∘ counterclockwise about the origin?

Answers

It should be (7,8). The formula for 180 degree rotations is (x,y)->(-x,-y)

Is it possible to scan a screenshot problem?

Answers

Answer:

Yes it's possible you just got to crop it to your liking

Answer: upload it’s to your drive on your computer

Step-by-step explanation:

5x35 65x76 what the the total

Answers

The solution to the above math arithmetic is 5115.

Addition and subtraction are what?

Finding the sum and difference of two integers are the two main addition and subtraction arithmetic procedures. They are both the other's polar opposite. An ordered group of integers with a shared difference between each word is known as an arithmetic sequence. The common difference, for instance, between the mathematical series 3, 9, 15, 21, and 27 is 6.

What exactly is an algebraic question?

This grouping contains percent difficulties, decimal recognition, addition, subtraction, multiplication, and division as well as fraction and percent equivalences and estimate issues.

For instance, 5 + 6 = 11 and 11 - 6 = 5.

5x35 + 65x76=5115

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Suppose that 2 balls are chosen without replacement from an urn containing 5 white and 8 red balls. Let X1 equal 1 if the 1st ball selected is red, and let it equal 0 otherwise. Let X2 equal 1 if the 2nd ball selected is red, and let it equal 0 otherwise. (i) Give the joint probability mass function of X1 and X2. (ii) Are X1 and X2 independent

Answers

Answer:

The probability mass function :

P(X1 = 1, X2 = 1) = 5/13 * 4/12 = 5/39

P(X1 = 1, X2 = 0) = 5/13 * 8/12 = 10/39

P(X1 = 0, X2 = 1) = 8/13 * 5/12 = 10/39

P(X1 = 0, X2 = 0) = 8/13 * 7/12 = 14/39

Step-by-step explanation:

Given :

Number of white balls = 5

Number of red balls = 8

Total number of balls = (5 + 8) = 13

P(X1 = 1, X2 = 1) = 5/13 * 4/12 = (5/13 * 1/3) = 5/39

P(X1 = 1, X2 = 0) = 5/13 * 8/12 = (5/13 * 2/3) =10/39

P(X1 = 0, X2 = 1) = 8/13 * 5/12 = (2/13 * 5/3) =10/39

P(X1 = 0, X2 = 0) = 8/13 * 7/12 =(2/13 * 7/3) = 14/39

Visually estimate the location of the centroid of the region shown. Then find the exact coordinates of the centroid.
y=49-x², y = 0

Answers

Therefore exact coordinates of Centroid  = (0,3/2)

Define Centroid.

The centroid of a flat figure or solid figure, also known as the geometric center or center of figure, in mathematics and physics, is the arithmetic mean position of all the points on the figure's surface. Any n-dimensional Euclidean object is included by the same definition.

What is Triangle?

A polygon having three edges and three vertices is called a triangle. It is one of the fundamental geometric forms. Triangle ABC is the designation for a triangle with vertices A, B, and C. In Euclidean geometry, any three points that are not collinear produce a distinct triangle and a distinct plane.

This region is a parabola opening downward, with vertex at (0, 49) and a range of y values from 0 to 49. The region is symmetric about the y-axis, This means that the x-coordinate of the centroid is at 0.

To find the y-coordinate:

Integral from -√(49) to √(49) of (49-x²) x dx = [x²(49-x²)/3] from -√(49) to √(49) = (492√(49))/3 = (98√(49))/3

The area is integral from -√(49) to √(49) of (49-x²) dx = [x(49-x²)/2] from -√(49) to √(49) = (49*(2√(49)) - (2/3)(49^(3/2)))/2 = (49*(2*√(49)) - (98√(49))/3)/2

Therefore Centroid = (0, (98√(49))/(49*(2*√(49)) - (98√(49))/3)) = (0,3/2)

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If you can help me with these 4 questions I'll give you brainliest :))​

Answers

Answer:

Mode: None

Range: 14

Median: 5.5

Mean: 6

Hope this helps!

Answer:

9. The mode is: There is no mode all the numbers occur once.

10. The range is: 14

11.  The median is: 5.5

12. The mean is: 6

what is the conjugate of -5 + i /2i?

Answers

Answer:

see image below

Step-by-step explanation:

Solve the following problem:
|2x+3|=-5

Answers

Answer:

No solution exists. Hope that helps sorry it took me long I was typing alot as you can see bye and have a great day!

Step-by-step explanation:

1. Break down the problem into these 2 equations 2x+3=-5 -(2x+3)=-5

2. Solve the 1st equation : 2x+3=-5  Subtract 3 from both side 2x=-5-3 =-8 divides both sides by 2 x= -8/2 which give you x=-4 Now solve the 2nd equation : -(2x+3)=-5  Remove parentheses -2x-3=-5 add 3 to both sides  -2x=-5+3=-2 Divide both sides by -2x=-2 which would give you x=1

When x=-4x, the original equation ∣2x+3∣=−5 does not hold true.

We will drop x=-4x from the solution set.

When x=1, the original equation |2x+3|=-5 does not hold true.

We will drop x=1, from the solution set. So, No solution would be your answer.

Al uses a box in the shape of a rectangular prism as shown in the diagram to for his coin collection.

What is the volume of this box?


192in³

275in³

37512 in³

425in³

Answers

Answer:

4 x 8.5 x 12.5 =425 (multiple hight x width x length)

The volume of the box is [tex]425in^{3}[/tex]

Quentin places 58 fish in several tanks. If he places 8 fish in each tank, how many fish are not placed in the tanks but in a small fish bowl ins

Answers

Answer: 2 fishes

Step-by-step explanation:

From the question, we are informed that Quentin places 58 fish in several tanks and that he places 8 fish in each tank. This means the amount of tanks that'll be used will be:

= 58/8

= 7 2/8

Since 7 tanks will be used and each tank contains 8 fishes, the number of fishes will be: = 7 × 8 = 56

Since there are 58 fishes and 56 fishes are in the tank, there'll be a remainder of (58 - 56) = 2 fishes which will be placed in the small fish bowl.

Mental Math In a toy​ store, the ratio of the number of dolls to the number of teddy bears is . If the store has 240​ dolls, how many teddy bears are in the​ store? Use pencil and paper. Describe the mental math steps you use to solve this problem.

Answers

Answer:

Step-by-step explanation:

Dolls:240 Teddy Bears:120

120:240

Please Describe the fraction If Possible.

For the following data set, find Q1, Q2, Q3 and the interquartile range.

15, 12, 23, 15, 7, 8, 21, 10, 12, 14, 16, 24, 19

Answers

Answer: q1=11 q2=15 q3=20

Step-by-step explanation:

hey could anyone solve this for me and make sure its correct

Answers

the slope goes by several names

• average rate of change

• rate of change

• deltaY over deltaX

• Δy over Δx

• rise over run

• gradient

• constant of proportionality

however, is the same cat wearing different costumes.

to get the slope of any straight line, we simply need two points off of it, let's use those provided

[tex]R(\stackrel{x_1}{5}~,~\stackrel{y_1}{7})\qquad S(\stackrel{x_2}{15}~,~\stackrel{y_2}{31}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{\textit{\large rise}} {\stackrel{y_2}{31}-\stackrel{y1}{7}}}{\underset{\textit{\large run}} {\underset{x_2}{15}-\underset{x_1}{5}}} \implies \cfrac{ 24 }{ 10 } \implies \cfrac{12 }{ 5 }[/tex]

keeping in mind that perpendicular lines have negative reciprocal slopes

[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{ \cfrac{12}{5}} ~\hfill \stackrel{reciprocal}{\cfrac{5}{12}} ~\hfill \stackrel{negative~reciprocal}{ {\Large \begin{array}{llll} -\cfrac{5}{12} \end{array}} }}[/tex]

Step-by-step explanation:

the slope of a line is the ratio

y coordinate change / x coordinate change

when going from one point on the line to another.

the perpendicular slope is simply turning that ratio fraction upside down and flips the sign.

(5, 7) to (15, 31)

x changes by +10 (from 5 to 15).

y changes by +24 (from 7 to 31).

the slope (or gradient) is therefore

+24/+10 = 12/5

the perpendicular slope or gradient is then

-5/12

A biology class examined some flowers in a local meadow. They saw 36 flowers, of which 25% were perennials. How many perennial flowers did the students see?

Answers

Answer: nine

Step-by-step explanation: 36 - 25 = 9 or 25% x 1 + 36 = 9

Answer:

9

Step-by-step explanation:

1 first split  36 by 4 because  25% is 1/4

2 once when divided you should get 9 because 9x4 is 36  

50 POINTS !!


PLEASE HELP !! ILL GIVE BRAINLIEST TO THE RIGHT ANSWERS.

Answers

C= 13 cm
pythagorean theorem a^2+b^2=c^2
hope this helped

Find the volume of the pyramid

Answers

Volume of pyramid:

= ⅓ × l × w × h

= ⅓ × 9 × 9 × 7

= 3 × 63

= 189 ft³

4 1/4 - 2 2/4
what is the answer?

Answers

Answer:

1 3/4

Step-by-step explanation:

[tex]4\frac{1}{4}- 2\frac{2}{4} \\\\17/4 - 10/4\\7/4\\1 3/4[/tex]

Answer:

Converting from Mixed numbers to Fraction

4¹/4 = 17/4

2²/4 = 10/4

17/4 – 10/4

= 7/4

You can also change this answer into Mixed Number

it'll be 1 3/4 (One whole number, three over four)

Choose the system of equations which matches the following graph:


Question 11 options:


1)

x − 2y = 8

2x + 4y = 12


2)

x − 2y = 8

2x − 4y = 12


3)

x + 2y = 8

2x + 4y = 12


4)

x + 2y = 8

2x − 4y = 12


Thanks for helping me!

Answers

Answer:

3

Step-by-step explanation:

the equations of the lines are y= -1/2x+3(red) and y= -1/2x+4(blue)

rearrange the equations to find a match

1. y= -1/2x+ 4

y= -1/2x+3

2. y= 1/2x+4

y= 1/2x+3

3. y= -1/2x+4

y= -1/2x+3

4. y= -1/2+4

y= 1/2x-3

What are the domain and range of f(x) = x - 3| +6?
O Domain: {x|x is all real numbers}
Range: {yly ≥ 6}
O Domain: {x|x≥ 3}
Range: {y ly ≥ 6}
O Domain: {x|x is all real numbers}
Range: {yly 2-6}
O Domain: {x|x≥ 3}
Range: {yly 2-6}

Answers

The domain and range of the absolute value function are the ones in the first option.

Domain: {x|x is all real numbers}Range: {yly ≥ 6}

What are the domain an range of the absolute value function?

Here we have the absolute value function:

f(x) = |x - 3| + 6

The domain for all absolute value functions is the set of all real numbers, as there are no input that generates a problem with the function.

And the range, the set of the inputs, has a minimum at the vertex.

Remember that if the vertex is (h, k), then we can write the function as:

f(x) = |x - h| + k

Then in this case:

f(x) = |x - 3| + 6

The vertex is at (3, 6)

Then the range is the set of all real values equal to or larger than 6, or:

y ≥ 6

Then the correct option is the first one:

Domain: {x|x is all real numbers}

Range: {yly ≥ 6}

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A blue rope is 3 times as long as a red rope. A green rope is 4 times as long as the blue rope. If the total length of the three ropes is 563.84 meters, what is the length of the blue rope?

Answers

Answer:

105.72 meters

Step-by-step explanation:

We can set up a system of equations to represent the information given in the problem, and then use algebra to solve for the length of the blue rope. Let x be the length of the red rope.

According to the problem statement:

blue rope = 3 * red rope = 3x

green rope = 4 * blue rope = 4 * 3x = 12x

we know that:

red rope + blue rope + green rope = 563.84

x + 3x + 12x = 563.84

then we can solve for x:

16x = 563.84

x = 35.24

So the length of the red rope is 35.24 meters.

The length of the blue rope is 3x = 3 * 35.24 = 105.72 meters.

Which statement is true based on a graph of the line that passes through the given coordinates? (2, 1), (3,3), (5,7), (6,9) Please help

A. The line that passes through the given coordinates does not represent a proportional relationship because the line passes through the origin.

B. The line that passes through the given coordinates represents a proportional relationship because the line passes through the origin.

C. The line that passes through the given coordinates does not represent a proportional relationship because the line does not pass through the origin.

D. The line that passes through the given coordinates represents a proportional relationship because the line does not pass through the origin.

Answers

The correct statement regarding the linear function passing through the coordinates (2, 1), (3,3), (5,7), (6,9) is given as follows:

A. The line that passes through the given coordinates does not represent a proportional relationship because the line passes through the origin.

When does a linear function represents a proportional relationship?

The slope-intercept definition of a linear function is given as follows:

y = mx + b.

In which:

m is the slope, representing the change in y divided by the change in x.b is the y-intercept, representing the value of y when x = 0.

A linear function represents a proportional relationship if it has an intercept of zero.

For the points in this problem, when x increases by one, y increases by two, hence the slope is given as follows:

m = 2/1 = 2.

Hence:

y = 2x + b.

When x = 2, y = 1, hence the intercept b is given as follows:

1 = 2 + b

b = -1.

As the intercept is different of zero, this is not a proportional relationship, and option A is correct.

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( 25 points!!!)pls answer this all plss​

Answers

Answer:

1. the second one.

2. 7 faces

3. im not positive but I believe its 9

4. 24/3 = 8 30/7 30/7= 4 and 2/7

5. underline the second, third, and 4th

6. 195 minutes. 3 hours and 25 minutes

7. 768

8. 4/2, 20/5, 16/2, 30/3

9. 20

10. 6 7/10, 10 4/5, 15 8/20

11. 0.2

12. 0.2

13. Monday and Friday

14. 3rd also known as the rhombus

15. between 6,000 and 7,000

16. equal to

Step-by-step explanation:

I hope this helps :))

Part A
GEOMETRY Consider a trapezoid that has one base that measures five feet greater than its height. The other base is one foot less than twice its height. Let x represent the height.
a. Write an expression for the area of the trapezoid.
A=(blank)x^2 +(blank)x ft^2

PART B Write an expression for the area of the trapezoid if its height is increased by 4 feet
A=(blank)x^2+(blank)x+(blank)ft^2

Answers

The area of the trapezoid is 1.5x² + 2x. If the height is increased by 4 feet, the new area would be 1.5x² + 8x

How to solve an equation?

An equation is an expression that shows the relationship between two or more numbers.

Let x represent the height of the trapezoid.

a) One base of trapezoid measures five feet greater than its height. Hence:

First base = x + 5

The other base is one foot less than twice its height, hence:

Second base = 2x - 1

Area = (1/2)(sum of bases) * height = (1/2)(x + 5 + 2x - 1)(x) = 1.5x² + 2x

b) The height is increased by 4 feet. New height = x + 4

First base = (x + 4) + 5 = x + 9

Second base = 2(x + 4) - 1 = 2x + 7

Area = (1/2)(sum of bases) * height = (1/2)(x + 9 + 2x + 7)(x) = 1.5x² + 8x

The area of the trapezoid is 1.5x² + 2x.

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Plss help me!! ASAP, first answer gets Brainlist! Here your choices, : Quadrant I, Quadrant II, Quadrant III, And Quadrant IV.

Answers

(-3,4) is quadrant II (-6,-6) is quadrant III (0,1) is quadrant I (6,-3) is quadrant IV

A high school football quarterback has a lifetime pass completion rate of p = 0.15. A random sample of 15 of his games is selected. Which is the best description of the shape for the sampling distribution of p hat ?

skewed left
skewed right
uniformly distributed
approximately Normal

man just help me

Answers

Answer: I think it’s skewed right

Step-by-step explanation:

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