Find an explicit formula for the arithmetic sequence -15, 13, 31, 49

Answers

Answer 1

Answer:

No solution (read below)

Step-by-step explanation:

Formula:

a_n = a_1 + (n-1)d

N is the term #

D is the common difference

First, let's find the common difference.

13 - (-15) = 28

Let's see if that checks out.

31-13 = 18

49 - 31 = 18

18 is not equal to 28

Since there is no common difference you cannot find the equation.

Please tell me if you made a typo and comment on my answer, then I can help you find the answer


Related Questions

A positive times a negative is a negative and the same is true for dividing integers true or false​

Answers

Answer:

The statement is true

Step-by-step explanation:

A cone, a cylinder and a sphere all have the same radius and the same height.Which would have the largest volume?

Answers

A sphere ms.gurl ya welcome

Answer:

The sphere and the cylinder

Yo can I get some help with this question !

Answers

Answer:

m<D=80

Step-by-step explanation:

All angles of a triangle add up to 180 degrees.  In this case both triangles are the same and you are given two angles

180-70-30= 80 degrees

7. The Majestic company increased the cost of an Astros jersey from $80 to $110. By what percentage was the price of
the Astros jersey increased?

Answers

Answer:

50%

Step-by-step explanation:

The cost = $80

Increased cost = $120

% Increase = (120-80) / 80 * 100

% Increase = 40/80 * 100

% Increase = 0.5 * 100

% Increase = 50%

So, the price of the Astros jersey increased by 50%

What is the solution to the equation 4x plus 2(x-3) equals 3x plus x minus 12

Answers

Answer:

[tex]\huge\boxed{x=-3}[/tex]

Step-by-step explanation:

[tex]4x+2(x-3)=3x+x-12\qquad|\text{use the distributive property}\\\\4x+(2)(x)+(2)(-3)=3x+x-12\\\\4x+2x-6=3x+x-12\qquad|\text{combine like terms}\\\\(4x+2x)-6=(3x+x)-12\\\\6x-6=4x-12\qquad|\text{add 6 to both sides}\\\\6x-6+6=4x-12+6\\\\6x=4x-6\qquad|\text{subtract}\ 4x\ \text{from both sides}\\\\6x-4x=4x-4x-6\\\\2x=-6\qquad|\text{divide both sides by 2}\\\\\dfrac{2x}{2}=\dfrac{-6}{2}\\\\x=-3[/tex]

A group of friends is sharing 212 pounds of berries. If each friend received 54 of a pound of berries, how many friends are sharing the berries? If 5 friends are sharing the berries, how many pounds of berries does each friend receive?

Answers

Answer:

Number of friend = 4 friends (Approx)

Amount of berries each friend get = 42.4 pound

Step-by-step explanation:

Given:

Total amount of berries = 212 pound

A. Number of friend

Number of friend = 212 / 54

Number of friend = 4 friends (Approx)

B. Amount of berries each friend get

Amount of berries each friend get = 212 / 5

Amount of berries each friend get = 42.4 pound

y + 2/5y whats is its equivalent expression

Answers

Answer:

(7 y)/5 I think...

Step-by-step explanation:

please help, i’ll give brainliest!

Answers

Answer: There is no correlation.

Step-by-step explanation:

Answer:

NO CORRELATTION

Step-by-step explanation:

What is the difference?
7-3=
A. 3
B. 4.
O c. 5
OD. 10
O E. 11

Answers

the answer is B!
hope this helped

PLS GIVE THE ANSWER!!!!!! ALSO ITS NOT A NUMBER IS IT C OR A

Answers

Answer:

I am confused there no picture so go with your gut man

Step-by-step explanation:

Hello' I'm trying again because I really need help. If you can show the steps that is always appreciated but if not that's okay too! I just need an answer ty^^





(Please don't answer with anything random just for the points)

Answers

Answer:

Factored Form: f(x) = (x-7)(x-4)

Roots: x=7, x=4

Step-by-step explanation:

What  we can do here is break the given expression into groups;

x^2-11x+28 ---> break the expression into groups

(x^2-4x) +(-7x+ 28) ---> factor out x from x^2-4x

x(x-4) + (-7x +28) ---> factor - 7 from -7x +28

x(x-4) -7(x-4) ---> combine

(x-7)(x-4)

so if f(x) = (x-7)(x-4) then the roots would be x=7 and x=4

Answer:

ñanamaisañia thanks for points

The Hawkins family spends $600 per month on groceries for their family. If this is 15% of their monthly budget, then what is their monthly budget

Answers

Answer:

Step-by-step explanation:

Hi!

We will find the monthly budget using proportions, like this:

15% = 0,15___________600$

100% = 1_____________x$

__________________________

x = (600*1)/0,15

x = 600/0,15

x = 4000

Their monthly budget is 4000$.

Hope this helps!

Answer:

510

Step-by-step explanation:

16% off of 600 = 510

Helppppppppp!!

A bird goes from a lower location to a higher location at a
rate of 2 meters per second. Which equation models the change in the bird's position at 90 seconds?

A. 90.2 = 180
B. 90(-2) = -180
C. (-90)(-2) = -180
D. 90(-2) = 180

Answers

Answer:

B

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

It is proven mathematically

9,2 and 4,9 simplify answer

Answers

If your talking about fraction just find a common number the tow fractions have and divide

thank you for your help :) really appreciate! Here’s the new one

Answers

Answer:

8 units

Step-by-step explanation:

The two squares have equal areas.

For each square:

area = 32 units^2

For a square:

area = side^2

side^2 = 32

side = sqrt(32)

For the two squares, the length of the side is sqrt(32).

The sides of the squares are the legs of the right triangle.

a^2 + b^2 = c^2

(sqrt(32))^2 + (sqrt(32))^2 = x^2

32 + 32 = x^2

x^2 = 64

x = 8

Answer: 8 units

Answer

8 units

Explanation

The side of one of the squares is the same length as one of the legs on the triangle.

To find one side of the square, you need to find the square root, because to find the area of a square, you need to square the sides. To find one side, you do the opposite.

So the length of one side is the square root of 32.

Now don't worry that this is a weird number (which is 5.656854249...) because we'll be squaring it again.

The length of one side of the square is the leg of a right triangle.

To find the hypotenuse (or the longest side), you need to use the Pythagorean theorem.

[tex]l^{2} + l^{2} = h^{2}[/tex]

The square root of 32 squared is 32.

[tex]32+32=h^{2}[/tex]

[tex]64=h^{2}[/tex]

To find h, you need to find the square root. The square root of 64 is 8.

Therefore, the length of x is 8 units.

I need help being guided through this question. I thought it was SAS. But not sure.​

Answers

Answer:

ASA

Step-by-step explanation:

You know the angle of 90 degrees on both sides. Then you see they have the same side, and then you see they have the same angle (vertical angles)

Margaret goes to the county fair with $35. Rides cost $3

Helppp ASAP!!
each.
Which is the function that gives the amount of money m that Margaret has as a function of the number of rides that she takes?
Om = 3r +35
Om = 35r - 3
Om = 35r +3
Om = -3r + 35

Answers

Answer:

Om= -3r+35

Step-by-step explanation:

If she pays 3 dollars for a ride then that means she is subtracting 3 dollars from the amount she had which is 35. So it would be -3 times the amount of rides she rode plus 35. Hope this helped you!! Give brainliest.

3
What is another way to write the equation 7X+7
-82
07
8
3
+ = -6
4
0
7+3
X=-6
8+4
73
4
3
©*-*=

Answers

Answer:

The answer is the first option that states that you can write this expression as [tex]7(\frac{x}{8}) + \frac{3}{4} = -6[/tex]

Step-by-step explanation:

In order to solve this question we will need to know how to factor fractions. In our case we can do the following.

[tex]\frac{7}{8}x = \frac{7x}{8} = 7(\frac{x}{8})[/tex]

So now we since [tex]\frac{7}{8} x= 7(\frac{x}{8} )[/tex] ⇒

⇒ [tex]\frac{7}{8}x + \frac{3}{4} = -6[/tex]

   [tex]7(\frac{x}{8}) + \frac{3}{4} = -6[/tex]

Answer: A

I just did the test

In the diagram below, we have ST parallel to QR. Angle P is 40 degrees, and angle QST is 2 times angle R plus 8 degrees (2R+8). Find the measure of STR in degrees. Thankyouu

Answers

Answer:

4th and 3rd of August is

Step-by-step explanation:

ok is the only

Show work on this chekc if it correctly people

Answers

Answer:

See below

Step-by-step explanation:

1. Translation = (3 - 2, - 4 + 3) = (1, - 1)

2. Reflection over x axis = (3, 4)

3. Reflection over y axis = (-3, - 4)

4. Rotation 90° clockwise = (4, 3)

5. Rotation 180° counter clockwise = (-3, 4)

6. Dialation of 3 = (3*3, - 4*3) = (9, - 12)

Brendan is a college student who works two part-time jobs. As a teaching assistant, he earns $18 per hour. As a dishwasher at a local. restaurant he earns $12 per hour. Because of classes, he can only work a maximum of 15 hours per week. Brendan needs to earn at least $200 per week to cover his expenses.
Using the graph. which of the following ordered pairs represents solutions to this inequalities? Select all that apply
(0,10)
(5,12)
(8,6)
(10,4)
(12,5)
(15,2)​

Answers

Answer:

(8,6) and (10,4)

Step-by-step explanation:

solutions to the system of inequalities are in the purple shaded area, coordinates not landing in the purple shaded area are incorrect. The purple shaded area represents solutions for both lines red and blue.

Incorrect answers:

(0,10) because it lands in the blue shaded area ( meaning its the solution for only line blue and not line red)

(5,12) because it lands in the red shaded area ( meaning its the solution for only line red and not line blue)

(12,5) in red only

(15,2) in red only

PLEASE HELP FAST What is the answer for this I will give brainless an extra points for correct answer I appreciate it

Answers

Answer:

-3

Step-by-step explanation:

the answer is negative 3, because when x is two, y is three

Answer:

f(2) = -3

Step-by-step explanation:

This is the answer because:

1) The question is basically asking what the y-cordinate is.

2) In order to find the y-cordinate, look at the graph and find where 2 is on the x-axis. Then, see wheree the y-coordinate is on the same line a the x-cordinate which is 2.  

3) When you line up the cordinates, you can see that where x is 2, y is -3.

Therefore, the answer is -3.

Hope this helps! :D

1000 divided by 4 equal to what

Answers

Answer:

250?

Step-by-step explanation:

1000÷4=250

I think this is the right answer.

Answer:

250

Step-by-step explanation:

100/4 =25

you just add another 0

Will give brainliest (Don't copy from the internet please)

You have gone out to eat with a couple of friends. One is your friend Jamal and the other is your friend Marek. At the end, you get the check, and you decide to split it in two parts. You will pay for yourself and Jamal, while Marek will pay for 1/3 of the total amount. You end up paying $16.00 for your part of the meal. Later, you can’t remember how much the total bill was, but you are sure you can figure it out.



1. Write a system of equations to represent this situation, and solve the system to find out how much the total cost of the meal was (including your part as well as Marek’s part). Show all of your work.



2. How much did Marek pay for his part of the meal? Again, show all of your work.



3. Was this a fair way to split up the check? What might be a more fair way to split up the check?

Answers

1: 48


2: 1/3 of 48 = 48/3 = 16


3:No it wasn’t because you payed an extra 16 for jamals meal.Everyone should pay 16 dollars each because that is 1/3 of the meal price

if 1 large bus and two small buses equal 100 people and 1 small bus and 2 large buses equal 158. how big is one large bus?

Answers

Answer:

One large bus can carry 72 people

Step-by-step explanation:

I kid you not I was messing around with my calculator and I found 72 for the large busses and 14 for the small ones. By doing 72+72+14 you get 158 and if you do 14+14+72 you get 100. Hope this helps.

i think this is last one

Answers

Step-by-step explanation:

Distance between park and movie theater

= 9 - (-15)

= 24 blocks.

Answer:

24 blocks

Step-by-step explanation:

Expression: |-15 + 9|Simplify: 15 + 915 + 9 = 24 blocks

I hope this helps!

YEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEET ON THE TOES

Answers

Answer:

SEOT EHT NO TEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEY

Step-by-step explanation:

Is 220 in the sequence below?

-4,-1,2,5,8

Answers

Answer:

Do 220 - 8 to find the remaining amount of numbers left to 220, which is 212. Since 212 isn't divisible by 3, which is the increase in the sequence, 220 isn't part of the sequence below.

Step-by-step explanation:

What is the solution to this equation?
3(n - 9) - 2011 + 4) = 6n2​

Answers


Move all terms to the left side and set equal to zero. Then set each factor equal to zero.
n
=
1
+
i

5423
4
,
1

i

5423
4

PLEASE LOOK AT PICTURE! WHOEVER HAS CORRECT ANWSER I WILL MARK BRAINIEST!!!

Answers

its B trust me mark me brainliest

Answer:

C.) y = 5/4x - 4

Step-by-step explanation:

Points: (0,-4) and (4,1)

m = y2 - y1/x2 - x1

m = 1 - (-4)/4 - 0

m = 1 + 4/4

m = 5/4

Point: (4,1) (you may choose any points, but I will choose these since they are the easiest to work with)

y - y1 = m(x - x1)

y - 1 = 5/4(x - 4)

y - 1 = 5/4x - 5

y = 5/4x - 5 + 1

y = 5/4x - 4

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