What is the nth term of the sequence below?

2, 6, 12, 20, . . .

A. [tex]n {}^{2} \: + \: 1[/tex]

B. [tex]3n[/tex]

C. [tex]n(n \: + \: 1)[/tex]

D. [tex] {n}^{2} \: - \: 1[/tex]

Answers

Answer 1

Answer:

Option C

Kindly award branliest

Step-by-step explanation:

Tn = n(n + 1)

T1 = 1(1 +1) = 1(2) = 2

T2 = 2(2+1) = 2(3) =6

T3 = 3(3 + 1) = 3(4) = 12

T4 = 4(4 + 1) = 4(5) = 20

... It obeys


Related Questions

a x + b y is equal to 12​

Answers

Answer:

y= -a*x + 12

b b

Step-by-step explanation:

ax+by=12 (subtract "ax" from both sides so that the one on the left will become zero and we will have "by" )

by= -ax+12(divide both side by "by" so that we will have the equation as "y=mx+b")

finally the result will be:

y= -a*x + 12

b b

Please help!!!!!!!!!!!!!!!!!!!!!

Answers

I’m thinking 48 in^2 because 1/2*16*6= 48 hope this helps

sasasaasasasasassasasasasasasasasasasasasasasa

Answers

Answer:

tatatatatatatatatatatatatata

Step-by-step explanation:

the duck is so cute

Answer:

DUCKYYY :DDD

Step-by-step explanation:

Which of the following number is odd? *
A. 68,458
B. 92,162
C.28,952
D. 28,923​

Answers

Answer:

D. 28,923

Step-by-step explanation:

We are given four numbers and are asked to find out which number is odd.

An odd number is a number that cannot be split evenly, if it is split, it will end up in either a fraction or a decimal.

Even numbers are the opposite, so which would be the answer?

This would be D. 28,923. 28,923 divided by 2 gives you a decimal. Which is 14461.5, all the other choices give you whole numbers.

In the study of pesticide use and breast cancer, researchers evaluated pesticide use during the entire life of the respondents. How would you expect the results to have been affected if the researchers collected exposure history spanning the previous 20 years only?

Answers

Answer:

Kindly check explanation

Step-by-step explanation:

A common problem with most research designs is bias, which could be introduced win several ways one if which is the favored selection of certain variables rather than being randomized. In the scenario above, the sampling time frame introduces a bias into the design as the tune span of pesticide use does not allay with that of the exposure history of the respondent. Therefore an entire lifetime evaluation of one variable and just 20 years evaluation of the other introduces a sampling bias into the research design. Similarly, evaluation the type of pesticide usage over certain time period may need to be considered as the effect of very old pesticides may differ from those used very recently.

I need help please!!

Answers

Answer:

Step-by-step explanation:

i think 90

The answer is 90 I think

write the equation of the line in fully simplified slope-intercept form.

Answers

Step-by-step explanation:

świnka pepapomoże to zmieniam o tym zakładem ubezpieczeń i bankowości elektronicznej na tablecie i

Y= -4x -5 hope this helps do the work yourself next time

Please hurry!!!!!!!!!!!!!!!!!!

Answers

Answer:

38

Step-by-step explanation:

Range is the largest number minus the smallest number

55-17=38

I hope I hurried enough

Answer:

Your question is not proper.Here, you said that range of data. But where is the data? How can you expect answer without giving proper question?

n times 8.
The algebraic expression is _____.
Please help my assignment is due today

Answers

Answer:

Hope this helps, thank you !!

If A = 56, then find c

Answers

Answer:

Since A= 56 then B=56 so A+B=112

The whole tringle must be 180 degrees

So 180-112=68

SO C=68

I believe

ANSWER ASAP THEIRS A SCREEN SHOT TO HELP SHOW
AND TELL WHY PLEASE

Answers

b d and f it is getting larger, 3*2 is 6 meaning the scale factor is two, and point o is the vertex i think

HELP!!!!!!!!!!!!!!!!!!!!!!! :)

Answers

Hey there!

The answers are as follows:

7.)

m∠1 = 85

m∠2 = 95

m∠3 = 85

m∠4 = 85

8.)

m∠1 = 60

m∠2 = 120

m∠3 = 60

m∠4 = 120

9.)

they all equal 90

10.) No. Parallel lines do not cross each other, but these, if extended, would cross. You could use a protractor by measuring corresponding angles, and if they aren't equal, they aren't parallel.

Have a terrifcly amazing day!

What is the value of: (3.3) + (-1) - (-1.7)

Answers

Answer:

4

Step-by-step explanation:

3.3 + -1 is 2.3

2.3 - -1.7 is 4

Mrs. Gafni feeds her dog, Rusty, 3/4 cup of dog food each day. How much does she feed Rusty each week? Write the answer as a mixed number.

Answers

Answer: 5¹/₄ cups of dog food

Step-by-step explanation:

There are seven days in a week.

If she feeds the dog 3/4 every day, the amount she feeds Rusty every week is:

= 3/4 * 7

= 21/4

= 5¹/₄ cups of dog food

Which of these statements is correct? Select all that apply.

A. A solution to the equation x
2 = 7 is x = √49

B. A solution to the equation x
2 = 15 is x = √15

C. A solution to the equation x
2 = 38 is x = ³√38

D. A solution to the equation x
3 = 3 is x = ³√27

Answers

I’m pretty sure it’s D

Answer:

A and B lowkey don't feel like doing the rest cause I'm slow

Step-by-step explanation:

-75x + 200 represents a bank account balance after x months. What is the initial amount in the
account? What is the rate of change?

Answers

The initial amount was 200 dollars.

If you sub in 0, you get the amount at 0 months.

Rate of change is the slope. You are losing -75 a month, which is the rate of change.

On a team, 4 girls and 2 boys scored a total of 28 points. The difference between the number of points scored by the 4 girls and the number of points scored by the 2 boys is 12. Each girl scored the same number of points and each boy scored the same number of points. Find the number of points scored by each girl and each boy Each girl scored points.​

Answers

Answer:

Each girl earned 2 points

Each boy earned 5 points

Step-by-step explanation:

Let x represent the number of points one girl earned

Let y represent the number of points one boy earned

4x + 2y = 28

4x - 2y = 12

8y = 40

y = 5 points

4x + (2)(5) = 28

4x + 20 = 28

4x = 8

x = 2 points

Each girl earned 2 points

Each boy earned 5 points

Graph this function: y+6=1/2(x-1)

Answers

Answer:

Hope this helps! Have a great day!

Step-by-step explanation:

Answer:

[tex]y=\frac{1}{2}x-\frac{13}{2}[/tex]

Step-by-step explanation:

Move all terms not containing  y  to the right side of the equation.

[tex]y = \frac{x}{2}-\frac{13}{2}[/tex]

Rewrite

[tex]y=\frac{1}{2}x-\frac{13}{2}[/tex]

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

Slope: [tex]\frac{1}{2}[/tex]

y-intercept: [tex](0, -\frac{13}{2})[/tex]

good luck, hope this helps :)

part of me wants to say that the answer is A , but the other part of me is saying the answer is D, which one is it?​

Answers

Answer:

Pretty sure it's A

The cash register subtracts $4.00 from a $20 Coffee Cafe gift card for every medium coffee the customer buys. Use the graph to write an equation in slope-intercept form to represent this situation

Answers

Y=-4x+20 I’m pretty sure

Please help me...???​

Answers

Answer:

Step-by-step explanation:

77

Answer:

16.5 in³

Step-by-step explanation:

Length(L) = 2.2 in

breadth (b) = 1.5 in

height (h) = 5 in

Volume of the cuboid

= L * b * h

= 2.2 * 1.5 * 5

= 16.5 in³

help pls it has to be in an equation and ill mark brainliest.​

Answers

Answer:

y = 1/6x+2

Step-by-step explanation:

1/6=slope 2=y int. hope this kinda helps

Helpppppp!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Multiply Multiply Multiply Multiply Multiply

which function defines the sequence -16,-22,-28,-34 where f(10)= -70

Answers

Answer:

f(n) = -6n - 10.

Step-by-step explanation:

This is arithmetic sequence with first term a1 = -16 and common difference d = -6.

So f(n) = a1 + d(n - 1)

= -16 - 6(n - 1)

= -16 - 6n + 6

= -6n - 10.

Checking:

f(10) = -6(10) - 10 = -70.

The function that defines the sequence is f(n) = -6n - 10.

What is an Arithmetic Sequence ?

A sequence of numbers which have a relation between them and the consecutive numbers increase or decrease by a fixed amount is called as an Arithmetic Sequence.

The sequence given is -16,-22,-28,-34

This is arithmetic sequence

first term a1 = -16

common difference d = -6.

The nth term of an arithmetic sequence is given by

f(n) = a1 + d(n - 1)

f(n) = -16 - 6(n - 1)

f(n)= -16 - 6n + 6

f(n)= -6n - 10.

To verify this

f(10) = -6(10) - 10 = -70.

Therefore , The nth term is given by f(n)= -6n - 10.

To know more about Arithmetic Sequence

https://brainly.com/question/15412619

#SPJ2

5TH GRADE MATH GIVING BRAINLIESTT

Answers

Answer:

graph A

Step-by-step explanation:

When the cost is at 4 dollars, the feet is at 1. Hope this helps!

Answer:

A

Step-by-step explanation:

The only number that comes across 4x and 1y is a.

Help due tonight

Solve the following system of equations.
3x + y = -21
-3x - 3y = 15
X=
y =

Answers

Answer:

I have solved it in elimination method if you need it in another method let me know.

Step-by-step explanation:

3x+y=21

-x-y=5

2x=26

x=13

-3×13-3y=15

y= -18

Ć
9
e. m5 =
j. mZ11 =
P
12. If a || D, mZ2 = 63°, and m29 = 105°, find the measure of each missing angle.
a. mZ1 =
e. m26 =
a
i. mZ11 =
6
4
b. m.Z3 =
f. m27 =
j. mZ12 =
7
8
11
12
b
c. m 24 =
g. mZ8 =
10/9
1413
k. mZ13 =
d. m.25 =
d
h. mZ10 =
I. m Z14 =
For questions 13-15, find the values of x and y if I || m.
13.
(10x
17)

Answers

I am so confused RN what are u asking

Plz help me step by step explanation would help for work plzzzz And Thank you PLEASE​

Answers

Answer:

i hope this helps

Step-by-step explanation:

Answer:

r = -43. that's the result

Zenaida shares 1/5 bag of cookies equally among herself and 2 her friends. What fraction of the cookie bag will each girl receive?

Answers

Answer:

1/15

Step-by-step explanation:

1/5 divided by 3

=1/5 times 1/3

=  1 × 1

 -------

 5 × 3

= 1/15

Answer:

The answer is 1/10

Step-by-step explanation:

1/5 divided by 2

1/5 times 1/2

1 x 1 = 1

5 x 2 = 10

1/10

Daily ticket sales for a music festival are as follows: 454, 635, 454, 843, 1951, 1999. What are the mean, median, and mode of the data?

Answers

mean-1056, median-739, mode- 454
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