What is the nth term of this number sequence 25, 20, 15, 10, 5
Please answer it

Answers

Answer 1

Answer:

[tex]a_{n}[/tex] = 30 - 5n

Step-by-step explanation:

There is a common difference between consecutive terms, that is

20 - 25 = 15 - 20 = 15 - 20 = 10 - 15 = 5 - 10 = - 5

This indicates the sequence is arithmetic with n th term

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 25 and d = - 5, thus

[tex]a_{n}[/tex] = 25 - 5(n - 1)

    = 25 - 5n + 5

    = 30 - 5n


Related Questions

20.
19. passes through (-2, 19), parallel to the x-axis

Answers

Answer:

yah

Step-by-step explanation:

Evaluate the expression (-9)^4

Answers

Answer:

6561

Step-by-step explanation:

Answer:

6561 is the answer.

Step-by-step explanation:

-9^4

= -9×-9×-9×-9

= 6561

2. Calculate your total variable costs for the summer at each price. a. 35 lawns per weekx 12 weeks x $24.25 variable cost = b. 20 lawns per weekx 12 weeks x $24.25 variable cost = c. 5 lawns per weekx 12 weeks x $24.25 variable cost =​

Answers

Answer:

Total variable costs for the summer at each price:

a. = $10,185

b. = $5,820

c. = $1,455

Step-by-step explanation:

a. 35 lawns per week x 12 weeks x $24.25 variable cost

= 35 * 12 * $24.25

= $10,185

b. 20 lawns per week x 12 weeks x $24.25 variable cost

= 20 * 12 * $24.25

= $5,820

c. 5 lawns per week x 12 weeks x $24.25 variable cost

= 5 * 12 * $24.25

= $1,455

d. The variable cost, as can be seen from above, changes based on the volume of activity or production.  The number of lawns influenced the cost, since the other indexes are the same in each case.

functions occur when every x-value is associated with exactly one

Answers

The answer is y-value. A function is formed when one x-value corresponds with one and only one y-value.

A unit rate is a rate in which one of the quantities is 1. The unit rate is the same as the constant of proportionality. In our ice cream example, 1 scoop of ice cream costs $2. The unit rate, or unit price, of dollars per scoop is 2. Terrell sells clay pots. He sells 2 clay pots for $6, 3 clay pots for $9, and 4 clay pots for $12. What is the unit rate of dollars per clay pot? A 1 B 2 C 3 D 4

Answers

Answer:

The annswer is 3 for the clay pots

Step-by-step explanation:

A garden table and
bench cost $897 combined. The garden table costs $47 more than the bench. What is the cost of the bench?

Answers

Answer:

472

Step-by-step explanation: First subtract the additional cost from the overall cost, than you find the value of the bench by dividing by 2, than add the additional cost to the price of the bench to find the total cost of the Garden Table.

897-47=850

850 divided by 2 = 425

425 + 47 = 472

1. Function s is y = 5x - 4
(a) What is the inverse of function s? Show steps to finding it.
(b) Graph the function & its inverse on the same grid. Show at least 3 points on each line.
(c) Is the inverse of function s a function? Explain your answer.

Answers

Answer:

duhuhduiwehiufhewufuewgewfguiwgf

Step-by-step explanation:

A farm lets you pick 3 pints of raspberries for $12.00. At this rate, how many pints can you get for $20?

Answers

Answer:

5

Step-by-step explanation:

12$:3 =4$ a pints of raspberries

20$:4$=5 pints of raspberries

Please help me
I need to submit it now!!

Answers

Answer:

Alicia is correct because....

Step-by-step explanation:

12 - 4 = 8 + 3 = 11

The shelter has 90 dogs and 150 cats. of these animals 9 dogs and 27 cats receive medication. What percentage of animals receive medication?

Answers

3% because If you divide 27/9

Evaluate the function f(x) = 7x - 8 at the given values of the independent variable and simplify.

a. f(7)

b. f(x + 5)

c. f(-x)

Answers

Answer:

Step-by-step explanation:

Given the function :

f(x) = 7x - 8

Evaluate the given values of the independent variable and simplify.

a. f(7)

b. f(x + 5)

c. f(-x)

A.) f(7)

f(7) = 7(7) - 8

= 49 - 8

= 41

B.) f(x + 5)

7(x + 5) - 8

7x + 35 - 8

7x - 27

C.) f(-x)

7(-x) - 8

-7x - 8

what is the answer 3x+15=8x

Answers

Answer:

3x +15 = 8x

5x = 15

x = 3

Step-by-step explanation:

Answer:

x = 3

Step-by-step explanation:

Move the Terms:

3x = 8x - 15

3x - 8x = -15

Collcect Terms.

-5x = -15

Divide:

3

Answer

x = 3

Hope this helped

Brainliest is appreciated

use picture or words to explain how you could find the sum of 7+7

Answers

Step-by-step explanation:

The sum of is of seven plus seven is 14. 7 orange fish and 7 blue fish equal 14 fishes in total.

Study these equations:
f(x) = 2x - 4
g(x) = 3x + 1
What is h(x) = f(x)g(x)?
O h(x) = 6x2 – 10x - 4
O h(x) = 6x2 – 12x - 4
O h(x) = 6x2 + 2x - 4
O h(x) = 6x2 + 14x + 4

Answers

Answer:

A. h(x) = 6x2 – 10x – 4

Step-by-step explanation:

Got 100% on edge.

The value of h(x) is h(x) = 6x^2 -10x + 4

How to determine the composite function?

The functions are given as:

f(x) = 2x - 4

g(x) = 3x + 1

So, we have:

h(x) = f(x)g(x)

This gives

h(x) = (2x - 4) * (3x+ 1)

Evaluate

h(x) = 6x^2 + 2x - 12x - 4

This gives

h(x) = 6x^2 -10x + 4

Hence, the value of h(x) is h(x) = 6x^2 -10x + 4

Read more about composite functions at:

https://brainly.com/question/10687170

#SPJ5

Find the difference. (3 • 1,000) – (2 • 100) 100 1,000 1,900 2,800

Answers

Answer:

[tex]2,800[/tex]

Step-by-step explanation:

[tex]\left(3\cdot \:1,000\right)-\left(2\cdot \:100\right)[/tex]

[tex]3,000-\left(2\cdot \:100\right)[/tex]

[tex]3,000-200[/tex]

[tex]2,800[/tex]

6. Laura has $322 in her checking account. She bought a pair of jeans for $32. Then, she
bought a pair of boots for $47. What is the current balance of Laura's checking account?

Answers

Answer:

243

Step-by-step explanation:

andrews bank account changed by -$50 after making four equal withdrawals. how much was each withdrawal​

Answers

50/4 = 12.5
So Andrew withdrew $12.50 each time.

Please help me solve this problem.

Answers

Answer:

h =  V/πr²h = 10 inches

Step-by-step explanation:

V = πr²h

1. Solving for h:

V = πr²hπr²h = Vπr²h/πr² = V/πr²h =  V/πr²

2. Finding the height of given cylinder, using formula above:

V = 90π, r = 3 inches, h = ?h =  V/πr²h = 90π/π3²h = 10 inches

33/(20-9)
33 divided by (20-9) I need help

Answers

Answer: 3

Steps:

33/(20-9)

33/11

3

Answer: 3

Step-by-step explanation:

To solve, we need to use algebraic properties.

[tex]\frac{33}{(20-9)}[/tex]               [parenthesis]

[tex]\frac{33}{11}[/tex]                     [divide]

3

Is(0,-2) a solution of x+y=6

Answers

Answer:

no

Step-by-step explanation:

x+y=6

Substitute the point into the equation and see if it is true

0 + -2 = 6

-2 =6

This is not true so the point is not a solution

Answer: No

Step-by-step explanation:

To see if (0.-2) is a solution of x+y=6, we can plug it in and solve.

0+(-2)=6            [add]

-2≠6

Since -2 does not equal 6, we know that (0,-2) is not a solution.

please help help help help

Answers

Answer:

2(5+4(8+1)) - 4²

=82 + 16

=66

R is between Q and S.
If RS = 33.5 and RQ = 80, find SQ. Please help !

Answers

Answer:

The correct answer is 113.5

Step-by-step explanation:

33.5+80

The largest perfect square factor of 252 is _____

Answers

Answer:

18

Step-by-step explanation:

252 is a composite number. The exponents in the prime factorization are 2, 2, and 1. Adding one to each and multiplying we get (2 + 1)(2 + 1)(1 + 1) = 3 x 3 x 2 = 18. Therefore 252 has 18 factors.

4. Lines 1 and 2 are parallel, and lines 3 and 4 are parallel.

Answers

Answer:

x=105

y=75

z=105

Step-by-step explanation:

Answer: x=105 y=75 z=105

2.1 If an event has a probability that is greater than 0.4, what does it mean?

2.2 What is meant when two events are said to be mutually exclusive?


Answers

Answer:

Step-by-step explanation:

1) i think for the first question any probability greater than 0.4 has more likelihood that it will happen

2) mutually exclusive events are ones that cannot occur at the same time as it's impossible e.g. a single coin toss cannot result in you getting heads and tails

In one day at a store, 7% of the sales were
from shoes. Write 7% as a decimal.

Answers

Answer:

0.07

Step-by-step explanation:

Anwser: Your anwser is 0.07

The ratio of 1.4 to 29 is the same as the ratio of 2.8 to

Answers

Answer: Is the same as  2.8 to 58

Step-by-step explanation:

The ratio 1.4 to 29  could be written as 1.4/29  and the ratio 2.8 could be as  

2.8/ x  where x it he missing number.

Now set up a cross product equation to solve for x.

[tex]\frac{1.4}{29} = \frac{2.8}{x}[/tex]      Cross multiply

1.4x = 81.2     Divide both sides by 1.4

x= 58  

Water cost $1.25 per bottle. At this rate, what is that cost of 50 bottles?

Answers

Answer:

$62.5 is the answer

Step-by-step explanation:

gimme brainly pls :3

Answer:

50 × $ 1.25

mutiply it you will get your answer.

Solve the following proportion for u.
u/4 = 3/17
Round your answer to the nearest tenth

Answers

Answer:

345897

Step-by-step explanation:

423786945

What is the coordinate of the midpoint of DA?
D

Answers

Answer:

6

Step-by-step explanation:

Coordinate of point D = -6

Coordinate of point A = 18

The coordinate of the midpoint of DA = the coordinate of the point that is half the distance from D to A.

Distance of DA = |18 -(-6)| = |18 + 6| = 24

Midpoint = ½ the distance of DA = ½*24 = 12

Coordinate of the midpoint of DA = coordinate of D + 12 = -6 + 12 = 6

Or,

Coordinate of A - 12 = 18 - 12 = 6

Therefore, coordinate of the midpoint of DA = 6.

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