Mathematics High School

Find the common difference of the arithmetic
sequence 13,9,5,

Answers

Answer 1

Answer: -4

Step-by-step explanation:

13 - 9 = 4

9 - 5 = 4

so, we can see that it is decreasing by 4 each time.

Answer 2

Answer:

common difference is -4

Step-by-step explanation:

The common difference is the amount we add  between terms

13 + d = 9

Subtract 13 from each side

13+d-13 = 9-13

d = -4

Check

9+d = 5

9 + -4 = 5

5= 5

This is true so the common difference is -4

Related Questions

two boys decided to share their profits from a car wash job at a ratio of 2:3 how much will each boy receieve if their total profit is 35

Answers

Answer: Profit for first boy =  $14

Profit for second boy =  $21

Step-by-step explanation:

Given : Ratio of profits = 2:3

Let profit for one boy = 2x and for another boy = 3x

Since combined profit = $35

Then, 2x+3x= 35

⇒ 5x= 35

⇒ x= 7  [divide both sides by 5]

Profit for first boy = 2 (7)= $14

Profit for second boy = 3 (7)= $21

Find the area of the rhombus.

Answers

Answer:

Area = 90

Equation:

See attached image for equation.

The original price of last year's gaming system was $399. It is now selling at a 24% discounted price. What is the sale price?

Answers

Answer:

$303.24

Step-by-step explanation:

399.00x24%=95.76

399.00÷95.76=303.24

I don't really get how to do this​

Answers

Answer:

you got to put them in order like you got to figure out witch one is smaller then u keep going until u figure out the bigest.....

Step-by-step explanation:

Answer:

15.5, 16 and 1/4, 16.60, 16.7, 16 and 3/4, and 16.83.

Step-by-step explanation:

Hope it helps!

HELP PLS FASTT IM ON A TEST AND I DONT EVEN GET THIS Gabriel has a card collection with 32 baseball cards 16 football cards and 24 by basketball cards he wants to arrange the cards in equal piles with only one type of car in each pile how many cards can you put in each pile

Answers

Answer:

16 cards.

Step-by-step explanation:

Answer:

Someone do the Question!!!  

Step-by-step explanation:

The residents of a city voted on whether or not to raise property taxes. The ratio of yes votes to no votes was 4 to 3. If there were 1716 no votes, what was the total number of votes?

Answers

The answer would be 13,728 because you have to multiply 1716 by 3 and multiply 1716 by 4 and add them, then add 1716 and get 13,728.

Which of the following is not true about the inverse of f (x) = -3x+5/2

Answers

Answer:did you get the answer?

Step-by-step explanation:

Need help on number 12 not 11 plz help

Answers

A is the correct answer.

If raw material is %30 ($480) than the 2 %15 have to equal $480 also. So you have $480 and $480 to get $960 than your %40 should equal $640. All of those added together equal 1,600.
a is the correct answer

ovided line. (1 pt. each)
9.)Write 4x - 2y = -6 in function form
A) y = 3x + 2
B) y = 2x - 3
C) y = 2x + 3
Meeting now 16:47
D) -2y = -4x - 6

Answers

Answer:

The function form of the given equation

                        y   = 2 x + 3

Step-by-step explanation:

Explanation:-

Given   4x - 2y = -6

            4 x + 6 = 2 y

            [tex]y = \frac{4x}{2} + \frac{6}{2}[/tex]

          y   = 2 x + 3

The function form y = f(x)

The function form of the given equation

                        y   = 2 x + 3

At the craft store, Kenji bought a bag of brown and blue marbles. The bag contained 60 marbles, and 40% of them were brown. How many brown marbles did Kenji receive?​

Answers

Well 40% of 60 would be the same as 0.4 x 60 and that gives you 24, so there are 24 brown marbles.

how mini time does 7 go into 12

Answers

Answer:

Once!

Step-by-step explanation:

Cause 7 times 2 is 14 so it can't be 2.

I hope this helps and have a great day! :)

Answer:

1 Remindaer 5

Step-by-step explanation:

7 goes into 12 once, then subtract 7 and you get the remander which is five

Number 8 I need help plz

Answers

the answer to number 8 is b
The answer should be b

A Store charfes $0.20 per pound plus a set fee of $2 for ice.How many pounds of ice would somebody have brought if they paid $15

Answers

Answer:

65 pounds of ice

Step-by-step explanation:

15-2=13

13/0.2=65

Plz help me get the right answer

Answers

Answer:

- 13x² + 7x + 6

Step-by-step explanation:

- 4x² + 6 - (9x² - 7x) ← distribute by - 1

= - 4x² + 6 - 9x² + 7x ← collect like terms

= - 13x² + 7x + 6

Find the lengths of the missing sides marked with letters. Give your answers to 3 significant figures

Answers

Find the lengths of missing sides marked with letters

Witch pair of lines are perpendicular
A) y= 4x - 6
y= 4x + 11
B) y= -4x - 6
y= 4x + 11
C). y= 1/4x - 6
y= 4x + 11
D). y= -1/4x - 6
y= 4x + 11

Answers

Answer:

Step-by-step explanation:

What is the opposite of negative seven?

Answers

Answer: 7 is the opposite of negative 7

Step-by-step explanation:

Hope this helps :)

teachers drive a mini-van. what percentage of the teachers drive a mini-van? (6.5B*) There are 60 teachers at Smith Middle School. Of these teachers, 8 female teachers and 4 male 8

A.20%
B.12%
C.60%
D.72%​

Answers

20 o/o fndjdndbbbbbndndn

Error Analysis A student incorrectly simplified the
expression below as shown in the image

Answers

Answer:

Put the a with the b

Step-by-step explanation:

-2 and 4
what is the slope intercept form

Answers

Answer:

y=4x-2

Step-by-step explanation:

The graph shows the number of points, y, a player earns in a balloon game based on the number of balloons the player pops, x.

Which of the following are the dependent quantities?
a
1, 2, 3, 4, 5, 25, 50, 75, 100, 125
b
1, 2, 3, 4, 5
c
25, 50, 75, 100, 125
d
25, 1, 50, 2, 75, 3, 100, 4, 125, 5

Answers

Answer:

C is the answer

they're dependent because they're the y-values. the y-values in this graph are dependent on the x-values. how many points you earn in total, is dependent on how many balloons are popped.

Step-by-step explanation:

I hope this helps :))

2x+5-x+10=1x-5+3x what does x=

Answers

The answer for x=20/3

What is the solution to the equation 4.7x+3.8=13.2?
A.
x=2
B.
x=3
C.
x=3.6
D.
x=3.7

Answers

Answer:

X=2

Step-by-step explanation:

I'm sure it's the result.. Jdjdj

marys age is 2 upon 3 that of peters age. two years ago marys age was 1 upon 2 of whats peters age will be in 5years time. how old is peter now plzz

Answers

Answer:

the Peter age be 27

Step-by-step explanation:

Let assume peter be

And, then mary is 2p ÷ 3

So

The equation would be  

2p ÷ 3  - 2 = 1 ÷ 2 (p + 5)

4p - 12 = 3p + 15

p = 27

So Peter age be 27

And, the mary age is

= 2 (27) ÷ 3

= 18

Hence, the Peter age be 27

Solve for p. i = prt

Answers

Answer:

p=i/rt

Step-by-step explanation:

its p= i over rt

Please help due soon will give brainliest

Answers

(4,3) is the intersection (where the graphs meet

Answer:

The intersect point 4,3 H

Step-by-step explanation:

Hope this helps. Have a fantastic day!

!!PLEASE ONLY ANSWER IF U ACTUALLY KNOW!! GRAPHING!!

Answers

Answer:

-3/5 rise over run left doen arenegative right up are positive

Answer:

I think -5/3.............

What is the volume of this rectangular prism?
3 units
1 cubic unit
3 units

Answers

Answer:

Step-by-step explanation:

3x3x3 is 46 than 46 _ 4 is 57

The answer is 27 units

What is the Volume of Rectangular Prism?

The volume of a rectangular prism is defined as the space occupied within a rectangular prism. A rectangular prism is a polyhedron that has two pairs of congruent and parallel bases. It has 6 faces (all are rectangular),12 sides, and 8 vertices. As the rectangular prism is a three-dimensional shape (3D shape), the unit that is used to express the volume of the rectangular prism is cm3, m3 and so on.

Given here: The dimensions as 3,3,3

Thus the volume is = 3³

                                =27

Hence, The answer is 27 units

Learn more about prisms here:

https://brainly.com/question/29722724

#SPJ2

could you help me with this plz

Answers

Answer:

D. 797,481

Step-by-step explanation:

So, with the number 653,841, the number that is in the hundreds place is 8, meaning that the number is 800. So now, since you have to find 1/10 of the value, you have to divid it by 10, giving you 80. Now, looking at the answers, you have to find the number with 8 in the tens place, which is D.

A fertilizer covers 6 square feet in 2 hours. What is the unit rate?

Answers

The unit rate is 3 sq feet
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