2.4, -3.4, -9.2, -15, - 20.8,

If the pattern continues, which expression can be used to find the nth term?

Answers

Answer 1

Answer: c. 8.2-5.8n

Step-by-step explanation:

I got it wrong and it said that c was correct your welcome

Answer 2

An arithmetic sequence is a sequence where the difference between the consecutive term is the same.

The formula for nth terms of an arithmetic sequence.

nth term = a + (n -1)d

The expression that is used to find the nth term of the given arithmetic sequence is

2.4 - 5.8 (n - 1)

What is an arithmetic sequence?

An arithmetic sequence is a sequence where the difference between the consecutive term is the same.

Example:

2, 4, 6, 8, 10 is an arithmetic sequence.

The common difference is 2.

We have,

2.4, -3.4, -9.2, -15, - 20.8,

This is an arithmetic sequence.

The common difference.

= -3.4 - 2.4

= -5.8

Now,

The formula for nth terms of an arithmetic sequence.

nth term = a + (n -1)d

So,

a = 2.4

d = -5.8

nth term:

= 2.4 + (n - 1)(-5.8)

= 2.4 - 5.8(n - 1)

Thus,

The expression that is used to find the nth term of the given arithmetic sequence is

2.4 - 5.8 (n - 1)

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Related Questions

20. In the proportion 10:18=35:63, then which of the
following is NOT true
The product of extremes 630
The product of mean 350
The sum of extremes 73
The sum of the mean is 53​

Answers

Answer:

Step-by-step explanation:

The product of mean is 350 is not true

Option B is the correct answer

The false statement is the product of mean 350.

What is Proportion?

In general, the term "proportion" refers to a part, share, or amount that is compared to a total.

According to the concept of proportion, two ratios are in proportion when they are equal.

A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio. "::" or "=" are symbols used to indicate proportions.

Given:

10:18=35:63

So, 10/18 = 35/63

Here 10 & 63 -Extremes

and, 18 & 35= mean

so, product of extreme= 10 x 63= 630

and, product of mean= 18 x 35 = 630

Also, sum of Extremes = 10 + 63 = 73

and, sum of mean = 18 + 35= 53

Hence, the product of mean 350 is not true.

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what is the surface area in a square of a cube with a side of 7 inches Long​

Answers

Answer:

294

Step-by-step explanation:

7*7=49

49*6=294

Mohan walks 5 kilometre per hour. He walks two hours everyday. How many kilometres does he walk in a week?

Answers

Answer:

The answer will be 5×24×7=840

Answer:

how walk 20 kilometer

Step-by-step explanation:

one hour he walk 5 kilometer he walk 2 hours so he walk 10 kilometer every day so he walk 70 kilometer every week

Help, please! In the diagram, FH = 1/3AC and 3FG = AB. What additional information is necessary to prove that ΔABC is similar to ΔFGH, using the SSS similarity theorem?

1. 2. 3. BC/GH = 3
4. BC/GH = 1/3

Answers

Answer: C

Step-by-step explanation: I know I'm late by about 2 weeks but your answer is C.

Help pls!! Find the value of x and EF

Answers

8x + 42 = 15x
42 = 7x
6= x

EF = 8(6) + 42
EF = 48 + 42
EF = 90

 please help !!!!!

Answers

Answer:

135 degrees

This is because 180 - 45 = 135

Answer:

C. 135

Step-by-step explanation:

180-45=135

Multiply.
(-3) X 8
Enter the answer in the box.

Answers

Answer:

If my math is right

is it -24?

Step-by-step explanation:

(-3) x 8 =-24 sorry if it’s wrong

Melissa has six sets of card matches. She drops the cards and must find their match again. Record your results below.

Answers

Answer:

there is no work?

Step-by-step explanation:

Answer:

Step-by-step explanation:

Find the volume of a cylinder with a radius of 3 inches and a height of 2

Answers

Answer:

56.55m³

Step-by-step explanation:

use a calculator, not brainly

Simplify the expression by combining like terms.

12d−34d+3f−2f
Enter your answer as an expression, like this: 42x+53

Answers

Answer:

Hi... Your answer is

-22d+f

Identify the imaginary part of this complex number:

(1)/(2)+(-7)/(2)i

Answers

Answer:

-7/2i

Step-by-step explanation:

The imaginary part of the complex number is -7/2.

What is complex form?

A complex number can be expressed in the polar form in addition to the rectangular form. Complex numbers are typically expressed as z = x + iy, where 'i' is a fictitious integer. Complex numbers are described as a union of argument and modulus in polar form, however.

We know a complex form,

a + bi, where the coefficient of 'i' is the imaginary part and the rest of the part is a real part

So,

[tex]\frac{1}{2} + (\frac{-7}{2} )i[/tex]

Compared to the standard form,

-7/2 is the imaginary part.

Therefore, -7/2 is the imaginary part.

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PLZ HELP ASAP!!!!
expand the polynomials and simplify:
(1/4m-2n)^2

Answers

Answer:

1/16m^2 -2*1/4m*2n+4n^2

If you want to write it in more simple picture :

1/16m^2 -mn +4n^2

Answer:

[tex]\left(\frac{1}{4}m-2n\right)^2=\frac{m^2}{16}-mn+4n^2[/tex]

Step-by-step explanation:

Given the polynomial

[tex]\left(\frac{1}{4}m-2n\right)^2[/tex]

Expanding and simplifying

[tex]\left(\frac{1}{4}m-2n\right)^2[/tex]

as 1/4 = 4/m, so

[tex]=\left(\frac{m}{4}-2n\right)^2[/tex]

Apply perfect square formula:  [tex]\left(a-b\right)^2=a^2-2ab+b^2[/tex]

[tex]=\left(\frac{m}{4}\right)^2-2\cdot \frac{m}{4}\cdot \:2n+\left(2n\right)^2[/tex]

simplifying

[tex]=\frac{m^2}{4^2}-mn+2^2n^2[/tex]

[tex]=\frac{m^2}{16}-mn+4n^2[/tex]

Therefore,

[tex]\left(\frac{1}{4}m-2n\right)^2=\frac{m^2}{16}-mn+4n^2[/tex]

A veterinary assistant weighs a dog and records the weight as 64.7 pounds. The scale is accurate within one tenth of a pound. What is the maximum possible actual weight of the dog?

Answers

Answer:

64.8 Pounds. Maximum possible weight

Step-by-step explanation:

The ratio : y is 3:1
Which of the following statements is correct?
A x is 3/4 of y
B y is 1/3 of x
c x is 1/3 of y
D y is 1/4 of x​

Answers

Answer:

y is 1/3 of x

Step-by-step explanation:

x:y is 3:1

mathematically, we have this as;

x/y = 3/1

x = 3y

or y = x/3

So the correct answer is that y is 1/3 of x

Help !!!
See question in image.
Please show workings .

Answers

Answer:

see explanation

Step-by-step explanation:

Given f(x) then the derivative f'(x) is

f'(x) = lim( h tends to 0 ) [tex]\frac{f(x+h)-f(x)}{h}[/tex]

      = lim( h to 0 )[tex]\frac{x+h+\frac{1}{x+h }-(x+\frac{1}{x} ) }{h}[/tex]

      = lim(h to 0) [tex]\frac{x+h+\frac{1}{x+h}-x-\frac{1}{x} }{h}[/tex]

      = (lim(h to 0) [tex]\frac{h+\frac{1}{x+h}-\frac{1}{x} }{h}[/tex]

      = lim( h to 0 ) [tex]\frac{hx(x+h)+x-(x+h)}{hx(x+h)}[/tex]

      = lim( h to 0 ) [tex]\frac{hx(x+h)+x-x-h}{hx(x+h)}[/tex]

      = lim(h to 0 ) [tex]\frac{hx(x+h)}{hx(x+h)}[/tex] - [tex]\frac{h}{hx(x+h)}[/tex]

Cancel the numerator/denominator of first fraction and h in the second

= lim ( h to 0 ) 1 - [tex]\frac{1}{x(x+h)}[/tex] ( let h go to zero ), then

f'(x) = 1 - [tex]\frac{1}{x^2}[/tex]

Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x).



x
f(x) = 2.5x − 10.5
g(x) = 64(0.5x)
2


3


4


5


6

Answers

Step-by-step explanation:

f(x) = 2.5x - 10.5 and g(x) = 64(0.5)^x

When x = 2,

f(x) = 2.5(2) - 10.5 = -5.5,g(x) = 64 * 0.5^(2) = 16.

When x = 3,

f(x) = 2.5(3) - 10.5 = -3,g(x) = 64 * 0.5^(3) = 8.

When x = 4,

f(x) = 2.5(4) - 10.5 = -0.5,g(x) = 64 * 0.5^(4) = 4.

When x = 5,

f(x) = 2.5(5) - 10.5 = 2,g(x) = 64 * 0.5^(5) = 2.

When x = 6,

f(x) = 2.5(6) - 10.5 = 4.5,g(x) = 64 * 0.5^(6) = 1.

Therefore we can see that f(x) = g(x) = 2 when x = 5.

Hence the solution is x = 5.

3x-6=7x-3
3. 6
please help!!!!!!!

Answers

Answer:

B. -9

Step-by-step explanation:

3(-9)-6/3=-11

7(-9)-3/6=-11

CAN SOMEONE PLEASE HELP ME???!!!

Answers

Answer:

D. The graph has a positive rate of change

Step-by-step explanation:

The graph's slope, or rate of change, is positive, which means that D is your answer.

Zane's doctor says that zane should carry a booking that weighs less than 20 pounds. Zane carries his laptop, which weighs five pounds, and some notebooks, Assuming that each notebook weighs three pounds, how many notebooks can he carry in his bag without going over the weight limit?

Answers

Answer:

5 note book

Step-by-step explanation:

laptop - 5 pounds

Notebook - 3 pounds

20-5= 15

15÷3= 5.

He should carry 5 notebooks because 3x4=12+ the 5 pounds=17. If he were to carry a more that would equal 20 but the the question says to carry LESS than 20 pounds

Factor completely:
x^2-x^2-3.5(x+y)

Answers

Answer:

− 3.5 ( x + y )

Hope this helps

Step-by-step explanation:

Answer:

− 3.5 ( x + y )

brainest please

Step-by-step explanation:

or answer the question

do you have microsoft account if yes

i can invite you to microsoft reward

i just realy want make friend here

solve inequality for v​

Answers

Answer:

[tex]\displaystyle v > \frac{-28}{5}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtract Property of Equality

Step-by-step explanation:

Step 1: Define

[tex]\displaystyle \frac{-10}{7}v > 8[/tex]

Step 2: Solve for v

Divide both sides by [tex]\displaystyle \frac{-10}{7}[/tex]:                    [tex]\displaystyle v > \frac{-28}{5}[/tex]

Here we see that any value v greater than [tex]\displaystyle \frac{-28}{5}[/tex] would work as a solution to the inequality.

Multiply each term by
-7/10 and simplify.

Inequality Form:
v< −28/5

Interval Notation:
(∞, −28/5)

Here are the images:

Answers

Answer:

the anwer is D: all of the above

Step-by-step explanation:

Answer:

all of the above

Step-by-step explanation:

check the attachment for the info. I would give brainly

Answers

Answer:

1) 0.9 as fraction is:  [tex]\mathbf{\frac{9}{10}}[/tex]

2) Solve for c =4 for the equation [tex]2 \times (c^2-5)[/tex] we get 22

3) t = 64

4) p=3.15

5) Volume of Cuboid = 160 m³

6) x =9

Step-by-step explanation:

1) Write as fraction: 0.9

For writing the fraction, Since we have decimal point at tent's place so we can write it as: [tex]\frac{9}{10}[/tex]

So, 0.9 as fraction is:  [tex]\mathbf{\frac{9}{10}}[/tex]

2) Solve for c =4

[tex]2 \times (c^2-5)[/tex]

Put c = 4 and find the answer

[tex]2 \times (c^2-5)\\Put\:c=4\\=2\times ((4)^2-5)\\=2\times (16-5)\\=2\times(11)\\=22[/tex]

So, Solve for c =4 for the equation [tex]2 \times (c^2-5)[/tex] we get 22

3) [tex]\frac{t}{4}=16[/tex]

We need to find value of t

Multiply both sides by 4

[tex]4\times\frac{t}{4}=16\times 4\\t=64[/tex]

So, we get t = 64

4) [tex]2.4p=7.56[/tex]

We need to find value of p

Divide both sides by 2.4

[tex]\frac{2.4p}{2.4}=\frac{7.56}{2.4}\\p=3.15[/tex]

So, we get p=3.15

5) Find Volume of Cuboid

The formula used is: [tex]Volume\:of\: Cuboid=Length\times Breadth \times Height[/tex]

We have Length = 4, Breadth = 8 and Height = 5

Putting values and finding volume:

[tex]Volume\:of\: Cuboid=Length\times Breadth \times Height\\Volume\:of\: Cuboid=4\times 8 \times 5\\Volume\:of\: Cuboid=160[/tex]

So, Volume of Cuboid = 160 m³

6) [tex]3x=27[/tex]

We need to find value of x

Divide both sides by 3

[tex]3x=27\\\frac{3x}{3}=\frac{27}{3}\\x=9[/tex]

We get x =9

PLEASE!!!
Solve -(2x + 4) = 18.

-7
-11
11
7

Answers

Answer:

x=-11

Step-by-step explanation:

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

Answer:

x = -11

Step-by-step explanation:

We use the distributive property, so, -2x - 4 = 18

We add 4 to both sides, -2x = 22

Divide both sides by negative 2 and we get our answer of -11




Beginning with the equation x = 6, write the new equation produced by multiplying both sides by 6


Help and you earn 34 points

Answers

Answer:

(x-6)(x+6)

Step-by-step explanation:

Answer:

(x-6)(x+6)

Step-by-step explanation:

cause you see x-6 is part of it cause ur multiplying

and x+6  of it cause ur multiplying both sides

for both.

and sorry for like typos or thing slike that cause i been typing a whole essay today for college

like 1000 words

Which of the following statements is TRUE?
ps=10/3
pq=10
pr=10
sr=10/3

Answers

Answer:

10/3

Step-by-step explanation:

Answer: give that person brainliest

Step-by-step explanation:

What is the area of the circle? Round to the nearest tenth. Use 3.14 for T.

Answers

Answer:

c

Step-by-step explanation: since i helped can i have brainlist please :D

plssss helppp ok really needed it

Answers

This is the simplified answer

Answer:

[tex]y^{6}[/tex]

Step-by-step explanation:

Using the rules of exponents

[tex]a^{m}[/tex] × [tex]x^{n}[/tex] ⇔ [tex]a^{(m+n)}[/tex]

[tex]\frac{a^{m} }{a^{n} }[/tex] ⇔ [tex]a^{(m-n)}[/tex] , then

[tex]\frac{y^4 y^7}{^5}[/tex]

= [tex]\frac{y^{(4+7)} }{y^5}[/tex]

= [tex]\frac{y^{11} }{y^5}[/tex]

= [tex]y^{(11-5)}[/tex]

= [tex]y^{6}[/tex]

Easy Area problem

Need it fast

Answers

Answer:

just subtract the area of the rectangle from the area of the carpet

fine I'll do it

Area of a rectangle= lb

Area of a square= a^2

Area of the remaining area= lb - a^2

= (12*4) - (2*2)

= 48-4

= 44 ft^2


Pls answer this question

Answers

9514 1404 393

Answer:

  x = 27°

Step-by-step explanation:

The supplements of each angle are complementary:

  (180 -6x) +(180 -4x) = 90 . . . . . . . . assumes x is in degrees

  270 = 10x . . . . . . add 10x-90

  27 = x . . . . . . . . . divide by 10

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