Mathematics High School

The first term in an arithmetic sequences is 8. The fourth term in the sequences is -4. The eighth term in the sequences is -20. Write the explicit form that would be used to find the nth term in the sequence. Show the steps you took to write the simplified explicit form.
HURRY PLEASE!!!!!!

Answers

Answer 1

Answer:

do you need that or something else

The First Term In An Arithmetic Sequences Is 8. The Fourth Term In The Sequences Is -4. The Eighth Term

Related Questions

Solve for x. 3(x−7)=6(x−10) Enter your answer in the box. x =

Answers

Answer:

X = 13

Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

How do you line graph Y equals 7X -8

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Answer:

−

Graph the line using the slope and the y-intercept, or the points.

Slope:

y-intercept:

(

−

)

Step-by-step explanation:

MARK ME AS BRAINLIEST

4r – 4s + 4t=-4

4r +5 - 2t = 5

-3r - 3s – 4t=-16

Use elimination or substitution to solve the systems.

(1,-3,-1)

(1,3,1)

(-1,3,1)

Answers

Answer:

1,3,1

Step-by-step explanation:

Alex wrote the expanded form for the number 165.038 as “100 + 60 + 5 + 30 + 8.” Was he correct? If not, give the correct expanded form. P.S I really need the answer asap!

Answers

Answer:

no he is not correct.

the correct expanded form: 100+60+5+0.0+0.30+0.008

Step-by-step explanation:

Hope this helps also i learned about this r u in 5th grade

Alex's expanded form for the number 165.038 is not correct. The correct expanded form for the number 165.038 is 100 + 60 + 5 + 0.03 + 0.008.

The number 165.038 can be broken down into its individual place values:

Hundreds: 100

Tens: 60 (6 tens)

Ones: 5

Tenths: 0.03 (3 hundredths)

Hundredths: 0.008 (8 thousandths)

So, the correct expanded form for the number 165.038 is:

100 + 60 + 5 + 0.03 + 0.008

Hence, Alex's expanded form for the number 165.038 is incorrect. The correct expanded form is: 100 + 60 + 5 + 0.03 + 0.008.

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Find the missing side of each triangle. Round your answers to the nearest tenth if necessary.
Please show ur work

Answers

Answer:

x = 11.2 mi

Step-by-step explanation:

[tex]c^{2} = a^{2} + b^{2}\\(14.4)^{2} = (9)^{2} + b^{2}\\207.36 - 81 = b^{2} \\126.36 = b^{2}\\\sqrt{126.36} = b\\b = 11.2[/tex]

>> Answer

___________

[tex] \: [/tex]

[tex]\boxed{ \rm{answer \: by \: { \boxed{ \rm{☆HayabusaBrainly}}}}}[/tex]

Step by step :

x² = (14,4)² - (9)²

x² = 207,36 - 81

x² = 126,36

x = 11,2mi✔

Gavin jarred 6 liters of jam after 2 days. How many days did Gavin spend making jam if he jarred 24 liters of jam?

Answers

Answer:

Step-by-step explanation: becuase this inst high school this is like third grade

what is the equivalent value
1/2×6

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

what is the equivalent value

1/2×6?

1/2 * 6 =

Is the following inequality true : 4 <_ 4 ?

Answers

Answer:

Yes

Step-by-step explanation:

This is true because it is asking you if this is less than or EQUAL TO. 4 = 4, making it true.

Which two triangles are congruent by the SSS Theorem? Complete the congruence
statement.

Answers

Triangle CED and YZX are congruent

The image point of A after a translation right 4 units and up 4 units is the point B(-5, -1). Determine the coordinates of the pre-image point A.

Answers

Answer:

(-9, -5)

Step-by-step explanation:

You have to imagine where it came from so the only way to find that is by reversing the translation. Instead of adding 4, we need to subtract 4 left and down. Once you did the inverse you receive your answer.

Can someone pls help meee

Answers

>> Answer

_________

[tex] \: [/tex]

[tex] \triangle \sf \: abc = \triangle \sf \: xyz[/tex]

Soo :

Ab = Xy Bc = Yz Ca = Zx

Triangle in the picture.

List the first 4 terms of the sequence 2n² +n -2

Answers

Answer:

1, 7, 17, 31

Step-by-step explanation:

2(1)² + 1 - 2 = 3-2 = 1

2(2)² + 1 - 2 = 9-2 = 7

2(3)² + 1 - 2 = 19-2 = 17

2(4)² + 1 - 2 = 33-2 = 31

if i fill the 42 L tank in my car and take a 360km trip. If my car consumes gasoline at a rate of 8 L per 100km how muck farther can i go before i run out of gasoline.

Answers

Using the principle of proportional relationship, the 42 L of gas can go for a further 165 km

Consumption rate = 8L for 100 km

Km per Litre :

8L = 100km

1 L = m

8m = 100

m = (100 ÷ 8)

= 12.5 kilometer per Litre

Number of kilometers for 42 L

12.5 km = 1 L

m = 42 L

Cross multiply

m = 12.5 × 42

m = 525 km

The difference in the distance = 525 - 360 = 165 km

Therefore, the gas can go for a further 165 km

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Carly withdraws $18 from her bank account. Which number line represents this amount?
-20 -15 -10 -5 0 5 10 15 20,
10 15 20 -20 -15 -10 -5 0 5
10 15 20 -20 -15 -10 -5 0 5,
-20 -15 -10 -5 05 10 15 20.

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20 15 10 5 0 5 10 15 20
I already withdraw it and saw the answer

Fill in the missing number. 40% of = 800

Answers

Answer:

40% of 800 is 320

Step-by-step explanation:

0.40×800=320

Write 40% as
40/100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have
40/100 of 800 = 40/100× 800

Therefore, the answer is
If you are using a calculator, simply enter 40÷100×800 which will give you as the answer.

Find the value of f(5) for the function f(m) = 1 - 4(m/2) *

Answers

Answer:

f(m) = -9

Step-by-step explanation:

We replace m with 5 in the function.

f(m) = 1 - 4(m/2) becomes f(5) = 1 - 4(5/2)

then we solve the numbers in the parenthesis first

= 1 - 4 (5/2)

= 1 - 4 (2.5)

= 1 - 10

= -9

May I please receive help?

Answers

Answer:

m<2 = 94°

Step-by-step explanation:

just have to subtract 132-39=94

Help help help help help help help help help

Answers

Answer:

subtract 20 from both sides

Step-by-step explanation:

1. To find the answer, let's actually try solving the equation first and find the 2nd step.

2. (Solving)

Step 1: Distribute 2 to each term.

[tex](2)(x)+(2)(10)=60[/tex] [tex]2x + 20 = 60[/tex]

Step 2: Subtract 20 from both sides.

[tex]2x + 20 - 20 = 60 - 20[/tex] [tex]2x = 40[/tex]

3. Since we got that the second step was "subtract 20 from both sides," the answer is subtract 20 from both sides.

You are given a card number that says 9 3 4 3 9 4 8 5 3 1 7 3 2 3 6 x. If this is the credit card number what must x be?

Answers

Answer:

Step-by-step explanation:

it is a 16 digit credit card number. Therefore, start from the first digit and double alternating digits. Add them and the non doubled digits. should be divisible by 10. For double digits, they are added to make single digit.

9+3+8+3+9+4+7+5+6+1+5+3+4+3+3+x = 73+x

final number should be divisible by 10.

x=7

What is the slope of a line perpendicular to the line represented by the equation 2y=-6x+8

Answers

Answer:

First we need to solve the linear equation for y because we need to get the slope. Once we have the slope we need to convert it to its negative reciprocal, this means to just change the sign of the slope and flip it. The negative reciprocal is always perpendicular to the original slope.

2y = - 6x + 8

y = (-6x/2) + 8/2

y = - 3x + 4

The current slope is -3 or -3/1

The negative reciprocal is 1/3

Can someone help me please

Answers

Step-by-step explanation:

5⁴×5² = 5⁶

10⁶/10³ = 10³

so, we have 5⁶/10³ = 15.625

and in scientific notation we have to write the first digit (which is not 0) in front of the decimal point, and the following digits of the number as pairings after the decimal point, and then indicate a multiplication with a power of 10 to tell us the right position of the decimal point in the plain number.

so, 15.625 as plain number is

1.5625 × 10¹ in scientific notation.

therefore option 1 is correct.

In triangle abc ac=8cm, line bm is a median

Answers

Answer:

In triangle ABC, centroid D is on the median line segment AM.

Step-by-step explanation:

If AB=13cm,BC =13cm and AC=10cm, calculate: the height BM of the triangle. In triangle ABC, centroid D is on the median line segment AM.

hope i helped

How many solutions does this equation have?
9p + 5 = 5 + 9p

Answers

Answer:

Infinite solutions

Step-by-step explanation:

9p + 5 = 5 + 9p

Since both sides are equal, therefore the equation has infinite solutions

Kayla bought 16 bagels. Each bagel cost $1.50. She paid a total of $20. Write an equation to determine how many bagels she bought.

Answers

Answer: 16 x 1.50 = 20

I think it’s that, hope this helps

PLEASE HELP!! 50 POINTS!!! Multiply the polynomials (3^2 − 5 + 7) and (2^2 + − 2). Simplify the answer. Show your work.

Answers

Answer:

Your answer is 22

Step-by-step explanation:

(3^2-5+7) = 11

2^2+-2 = 2

So 11*2 = 22

Hope this helps

Can someone pls help em brainliest

Answers

Answer:

Step-by-step explanation:

I've attached a picture, and I hope it's clear and understandable.

Answer: k=9

Step-by-step explanation:

Parallel lines have the same slope. y=mx+b, where m is the slope. The reference line, y = 6x-5 has a slope of 6. The new line must therefore also have a slope of 6. The slope is the Rise/Run, the change in y for a change in x.

The two points on the new line are (10,2k) and (13,4k). Rise over run for this new line is (4k-2k)/(13-10) or 2k/3. This must be equal to 6,

2k/3 = 6

2k = 18

k = 9

Emma has just started a new sales job. She makes $20 an hour. On top of her hourly wages, she’ll be paid a commission of 15% on all sales she makes. Use this information to answer the following questions.

Part A
Question
Which equation in the form y = mx + cs models Emma’s situation?

y = 20x + 0.15
y = 20x + 15
y = 20x + 0.15s
y = 20x + 15s

Answers

Answer:

y = 20x + 0.15s

Step-by-step explanation:

Shew makes $20 par hour, so for x hours, she makes 20x.

She makes 15% commission on the sales, s. 15% = 0.15,so for the sales, s, she makes 15% * s = 0.15s.

The total she makes is 20x + 0.15s

Answer: y = 20x + 0.15s

The equation in the form y = mx + cs models Emma’s situation is

y = 20x + 0.15s

Shew makes $20 par hour, so for x hours, she makes 20x.

What is the slope-intercept form of the line?

The slope-intercept of the line y= mx+c

Where y co-ordinate

x- x co-ordinate

m=slope of the given line

C-y intercept.

She makes 15% commission on the sales, s. 15% = 0.15,

So for the sales, she makes

15% * s = 0.15s.

The total she makes is 20x + 0.15s

y = 20x + 0.15s

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matt is buying jeans and sweaters for his younger brothers. each pair of jeans will cost 22.50 and each sweater will cost 12.50. if matt spends a total of $200 at the clothing store and buys 12 articles of clothing, how many pairs of jeans and how many sweaters did he buy? you must create and solve the system for points

Answers

Answer: 220

Step-by-step explanation:

A- 22.50 x 12 = 270

B- 12.50 x 12 = 150

C- 270 + 150 - 200 = 220

ANSWER- 220

Simplify: |7 – 9| + (7 – 9)^2

Answers

Answer:

Step-by-step explanation:

Following PEMDAS ( parentheses, exponents, multiplication, division, addition, subtraction)

| 7 - 9 | + ( 7 - 9 ) ^ 2

| 7 - 9 | + -2 ^ 2

| 7 - 9 | + ( -2 x -2 )

| 7 - 9 | + 4

| -2 | + 4

2 + 4

What is the factored form of this expression?

4t2 − 27t + 18

A.
(4t − 18)(t − 1)
B.
(4t − 3)(t − 6)
C.
(2t − 9)(2t − 2)
D.
(2t − 6)(2t − 3)

Answers

Answer: B. (4t - 3)(t - 6)

Step-by-step explanation:

(4t - 3)(t - 6)

= 4t^2 - 24t - 3t + 18

= 4t^2 - 27t + 18

Answer:

Step-by-step explanation:

Sum = -27

Product = 18*4 = 72

Factors = (-24) ; (-3) {(-24)*(-3)=72 & (-24) + (-3) = -27}

4t² -27t + 18 = 4t² - 24t - 3t + (-3)*(-6)

= 4t(t -6) - 3(t - 6)

= (t - 6)(4t - 3)

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The first term in an arithmetic sequences is 8. The fourth term in the sequences is -4. The eighth term in the sequences is -20. Write the explicit form that would be used to find the nth term in the sequence. Show the steps you took to write the simplified explicit form. HURRY PLEASE!!!!!!

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The first term in an arithmetic sequences is 8. The fourth term in the sequences is -4. The eighth term in the sequences is -20. Write the explicit form that would be used to find the nth term in the sequence. Show the steps you took to write the simplified explicit form.
HURRY PLEASE!!!!!!