Can someone help me please and thank you ( i'll give brainliest and extra points)

Which equation can be used to find the nth term of the sequence written below?
-4, -1, 4, 11, 20, ...

a.y=2n^2−5
b.y=3n−7
c. y=n^2−4
d.y=n^2−5

Answers

Answer 1

Answer:

c

Step-by-step explanation:

because the way to explain by doing inverse operations


Related Questions

They made $835 in ticket sales

145 people bought tickets

child tickets were $4
adult tickets were $7

how many of each type ticket was sold

Answers

60 adult tickets and 85 in child tickets

Please help!

which triangle is similar to ΔABC? and why?

Answers

Answer:

neither. one of them is a right triangle, the other lacks and angle of ∆ABC

Step-by-step explanation:

Ten years ago, Victor's age was half of the age he will be in 10 years. How old is he
now?

Answers

Answer:

It's the same

Step-by-step explanation:

Cause im smart

Present age of the Victor as per given condition of the equation formed is equals to [tex]30[/tex] years.

What is equation?

" Equation is defined as the relation between the variables and numbers using the sign of equality."

According to the question,

[tex]'x'[/tex] represents the present age of the Victor

[tex]'x+10'[/tex]  represents the age of the Victor 10 years now

[tex]'x-10'[/tex] represents the age of the Victor 10 years ago

As per condition given equation  we get,

[tex]x-10 = \frac{1}{2} (x+10)[/tex]

Simplify the equation to get the present age ,

[tex]2(x-10) = x+10\\ \\\implies 2x-20 = x+10\\\\\implies 2x-x = 20 +10\\\\\implies x =30[/tex]

Hence, present age of the Victor as per given condition of the equation formed is equals to [tex]30[/tex] years.

Learn more about equation here

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When using substitution to solve systems of equations that have no solution or indefinitely many solutions, the variable terms are the same on both sides. How is the solution determined by the constants in the equations?

Answers

Answer:

e

Step-by-step explanation:

When using substitution to solve systems of equations that have no solution or indefinitely many solutions, the variable terms are the same on both sides. How is the solution determined by the constants in the equations?

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Write an equation of the line with a slope of 23and y-intercept of −8.
y=

Answers

Answer:

y=23x-8

Step-by-step explanation:

Use the formula y=mx+b

y-intercept is b which is -8

the slope is m which is in this case 23

Easy peasy!

5 movie tickets cost $55. At this rate, what is the cost per ticket?
Please help i really need it

Answers

Answer:

11

Step-by-step explanation:

55/5 equals 11

Answer:

11

Step-by-step explanation:

55 divided by 5 equals 11

Select all the situations that describe adding or subtracting opposites to make zero.
7°F increased by 0°F

7°F decreased 0°F

7°F increased by 7°F

7°F decreased by 7°F

-7°F increased by 7°F

-7°F decreased by 7°F

Answers

It would be option number 3 and option number 4
It would be 7 decreased by 7 and -7 increased by 7

3 divided by 8. What is the dividend?

Answers

Answer:0.375

Step-by-step explanation:

What is the dividend? the question

The answer is 2.666
Hopefully it’s right :)

Find an explicit formula for the geometric sequence 96, 24, 6, 1.5, ....
Note: the first term should be b(1).
b(n)=

Answers

Answer: 96•(1/4)^n-1

Step-by-step explanation:

When looking at a graph where do you find the roots of an equation?

Answers

Answer:

The points at which the graph crosses or touches x- axis, give the real roots of the function (or zeros of the function) represented by the graph. If the graph touches x-axis and turns back, then it would be a double root at that point.

Step-by-step explanation:

I HOPE THIS HELPS* :)

Priya has completed 9 exam questions. This is 60% of the questions on the exam.

How many questions are on the exam? *

A. 12
B. 15
C. 16

Answers

Answer:it’s 15

Step-by-step explanation:because think about it if it was 12 it wouldn’t be 60% it would be 70%

the answer is 15 :)

9. I NEED HELP ASAP!! PLEASE PUT AND ANSWER AND STEP BY STEP EQUATION!! IF YOU DON'T KNOW THE ANSWER DON'T PUT ANYTHING!!


Write a rule for the linear function in the table.



A. f(x) = 4x


B. f(x) = 4 – x


C. f(x) = x – 4


D. f(x) = x + 4

Answers

9.) Answer: B. f(x) = 4 - x



Explanation/Proof:

If we substitute, the answers are correct.

f(x) = 4 - (1)

f(x) = 3 ✅


f(x) = 4 - (2)

f(x) = 2 ✅


And so on and so forth.

B. f(x) = 4 - x
explanation:
what the other person said :)

A lemonade recipe calls for 1/4 cup of lemon juice for every cup of water what does x represent

Answers

Answer:

X represents the amount of cups of water

Answer:

x represents the number of cups of water.

Step-by-step explanation:

The recipe calls for ¹/₄ cups of lemon juice per 1 cup of water. This means the amount of lemon juice is dependent on the amount of water. In most functions, x is the independent variable and y is the dependent variable. Since the number of cups of lemon juice is dependent on the number of cups of water, the lemon juice represents y...

...and the water represents x.

I hope this helps you understand more! Have a great day!

I need help with geometry

Answers

Answer:

45 is the answer

Step-by-step explanation:

first you have to know the sum of interior angle of that pentagon (540)

then add the all angle.

148 + x + 112 + 90 + 3x + 10 = 540.

or, 360 + 4x = 540

or, 4x = 540 - 360

or, 4x = 180

or, x = 180/4

or, x = 45

hope it will help you☺✌

the answer is 45 jsjdjdjd

does anyone have a private server on royal high I need the new set pls

Answers

Answer:

Nope but I hope you find one soon. -Your friend, Bill Cipher

Step-by-step explanation:

Answer:

I do!! My user is;  AngelCookiesSmiles. c:

Step-by-step explanation:

A.
18 cm
B.
40 cm
C.
20 cm
D.
36 cm

Answers

Answer:

C

Step-by-step explanation:

108/(108-72) = 108/36 = 3

60/3 = 20

HELPPPP DUE IN 15 MINS!!!!
Triangles ABC and DEF are similar. Find x.

Answers

Answer:

8.57

Step-by-step explanation:

We can calculate the value of x using similarity ratio

11/7 = (15 + x)/(15) cross multiply expressions

105 × 7x = 165 subtract 105 from both sides

7x = 60 divide both sides by 7

x = 8.57 approximately

Please help! I will give Brainly (don’t know how to spell the word)

20% of Ms. Royal's students came to class late. If 3 students came late to
class, how many students does Ms. Royal have in her class?

Answers

Answer:

15 students

Step-by-step explanation:

i just used multiplication

Answer:

15 students

Step-by-step explanation:

20% is 1/5

So is 3 is 1/5 you multiply 3 by 5 (since 1/5 is 3 and to find 5/5 its you need a full 5/5)

3*5 = 15

Chris borrows £6000 at a simple interest rate of 10% per year.
He pays the money back after 4 years.
How much does he pay back in total?

Answers

9514 1404 393

Answer:

  £8400

Step-by-step explanation:

The amount due after t years is ...

  A = P(1 +rt)

  A = £6000(1 + 0.10·4) = £6000·1.40

  A = £8400

Chris pays back £8400 in total.

Identify the area of the polygon that has vertices T(−3,1), S(−5,−4), A(−8,1), and N(−4,5)

Answers

Answer:

22.5

Step-by-step explanation:

The area of the polygon ABCD is 3/2 square units.

What is polygon?

"It is two dimensional geometric figure having finite sides and vertices." A polygon is a two-dimensional geometric figure that has a finite number of sides. The sides of a polygon are made of straight line segments connected to each other end to end. Thus, the line segments of a polygon are called sides or edges.

here, we have,

we know that,

formula to find the area of the polygon:

"If polygon having vertices (x1, y1), ....(xn,yn) then the area of the polygon is,

A = 1/2 * | (x1y2 - x2y1) + ( x2y3 - x3y2) + .....+ (xny1 - ynx1)

This formula is also known as shoelace formula."

For given example,

the polygon  has vertices T(−3,1), S(−5,−4), A(−8,1), and N(−4,5)

Consider given vertices of polygon as,

(x1, y1) = (−3,1)

(x2, y2)=(−5,−4)

(x3, y3)=(−8,1)

(x4, y4)=(−4,5)

Using the formula of area of the polygon the area of the polygon ABCD would be,

A = 1/2 * | (x1y2 - x2y1) + ( x2y3 - x3y2) + .....+ (x4y1 - y4x1)

so, solving we get,

A = 1/2 | 17 + 27 - 36 -11|

A = 3/2

Therefore, the area of the polygon ABCD is 3/2 square units.

Learn more about the area of the polygon here:

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Josh is building bookshelves to sell at a furniture store. First he built three small bookshelves and one large bookshelf using a total of 136 nails. Later he built nine small bookshelves and eight large book shelves using a total of 698 nails. How many nails does Josh used to build the shelves

Answers

Answer:

Step-by-step explanation:

Josh is building bookshelves to sell at a furniture store. First he built three small bookshelves and one large bookshelf using a total of 136 nails. Later he built nine small bookshelves and eight large book shelves using a total of 698 nails. How many nails does Josh used to build the shelves

8w + 4 > 12, i need help

Answers

8w + 4 > 12

       -4    -4

8w > 8

/         /

8        8

w > 1

W is anything less than 1.

8w + 4 > 12

      - 4   - 4        subtract -4 to both sides.

_________

[tex]\frac{8w}{8}[/tex] > [tex]\frac{8}{8}[/tex]      divide 8 to both sides, 8's will cancel on the left side.

[tex]w[/tex] > [tex]1[/tex]

Jacksons kitty weighed 2 pounds and 3 ounces a month later the kitty weighed 56 ounces how much weight did the kitty gain in that month

Answers

Answer:

21 ounces

Step-by-step explanation:

2 pounds→ convert to ounces= 32

32 ounces+ 3 ounces= 35

56 ounces-35 ounces= 21 ounces

Answer:

21 ounces

Step-by-step explanation:

1 pound=16 ounces

16 x 2=32

32+3=35

56-35=21

Lincoln middle school plans to collect more than 2,000 cans of food in a food drive. So far, 668 cans have been collected. Write and inequality to find numbers of cams the school can collect on each of the final 7 days of the drive to meet this goal

Answers

Answer:

The answer is "[tex]\bold{668 + 7x > 2,000}[/tex]"

Step-by-step explanation:

7x = x is the cans obtained within 7 days 668 is the number of cans that are already obtained. Its number for goal cans is 2000. So, the equation is:

[tex]\to 7 x + 668 < 2000[/tex]

subtract and add the value 668:

         [tex]- 668 \ \ \ \ \ -668[/tex]

[tex]\to 7x +0 < 1332[/tex]

Divide the value 7:

    [tex]7 \ \ \ \ \ \ 7[/tex]

[tex]\to x < 190.30 \\\\OR\\\\\to x < 190\\\\[/tex]

Is this table linear

Answers

Answer:

yesZ?

Step-by-step explanation:

Answer: Yes the table above is indeed linear

Step-by-step explanation:

Just trust

3x - 12 = 3x + 1
help please

Answers

Answer:

There's no solution to this equation, when 2 equations have the same slope but different y-intercepts, they're parallel. This means they never intercept and there is NO solution and we can't solve for x.

Can someone plz help me ?

Answers

Answer:

Slope: −10

y-intercept: (0,60)

Equation: y = −10x + 60

Step-by-step explanation:

Find the equation using point-slope formula.

Use the slope-intercept form to find the slope and y-intercept.

Factor the expression. 63 + 81

wrong answers reported

Answers

Answer:

144

Step-by-step explanation:

63+81=9(7+9)=9(16)=144

The fish population in a local stream is decreasing at a rate of 3% per year. The original population was 48,000. Write an exponential function to model this situation. Then find the population after 7 years.

Answers

Answer:

Results are below.

Step-by-step explanation:

Giving the following information:

Decrease rate (d)= 7%

Number of periods (n)= 7 years

Current population (PV)= 48,000

First, to calculate the future value, we need to use the following decrease exponential formula:

FV= PV*[(1+d)^-n]

After 7 years:

FV= 48,000*(1.07^-7)

FV= 29,892

The fish population after 7 years is 38783

An exponential decay is in the form:

y = abˣ;

where y, x are variables, a is the initial value of y and b is < 1

Let y represent the fish population after x years.

Since there is initially 48000 fish, hence a = 48000. Also it decrease at a rate of 3% per year. Hence b = 100% - 3% = 97% = 0.97

Therefore:

y = 48000(0.97)ˣ

After 7 years:

y = 48000(0.97)⁷ = 38783

Therefore the fish population after 7 years is 38783

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Tom needs 2 tablespoons of cleaning product for every 5 quarts of water. How many tablespoons of cleaning product would he need for 4 quarts of water?

Answers

Answer:

The answer is 256 :)

Step-by-step explanation:

You multiply the volume by 64

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