Please help! 100points! A sequence is defined recursively by the given formulas. Find the first five terms of the sequence.
an = 2(an − 1 + 4) and a1 = 5 (the n and n-1 is suppose to be a subscript, I just can't figure out how to make it like that)

Answers

Answer 1

Answer:

5, 18, 44, 96, 200

Step-by-step explanation:

Given

aₙ = 2(aₙ₋₁ + 4)a₁ = 5

First term : 5

Second term : a₂ = 2(a₁ + 4)

a₂ = 2(5 + 4) = 2(9) = 18

Third term : a₃ = 2(a₂ + 4) = 2(18 + 4) = 2(22) = 44

Fourth term : a₄ = 2(a₃ + 4) = 2(44 + 4) = 2(48) = 96

Fifth term : a₅ = 2(a₄ + 4) = 2(96 + 4) = 2(100) = 200

Hence, the first 5 terms of the sequence are :

5, 18, 44, 96, 200
Answer 2

Answer:

5, 18, 44, 96, 200

Step-by-step explanation:

[tex]\textsf{Given sequence}: \quad a_n=2(a_{n-1}+4)[/tex]

[tex]\textsf{Given first term}: \quad a_1=5[/tex]

[tex]\implies a_1=5[/tex]

[tex]\implies a_2=2(a_{1}+4)=2(5+4)=2(9)=18[/tex]

[tex]\implies a_3=2(a_{2}+4)=2(18+4)=2(22)=44[/tex]

[tex]\implies a_4=2(a_{3}+4)=2(44+4)=2(48)=96[/tex]

[tex]\implies a_5=2(a_{4}+4)=2(96+4)=2(100)=200[/tex]


Related Questions

Ella conducted a survey to find out the amount of time high schoolers spend surfing the Internet. From the data collected, the range of time spent was 1 hour. What does this range say about the data?

All the students surveyed spend exactly 1 hour surfing the Internet.
All the students surveyed spend an average of 1 hour surfing the Internet.
The difference between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour.
The quotient between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour.

Answers

The statement third “the difference between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour” is correct.

What is range?

It is defined as the difference between the maximum value in the data set to the minimum value in the data set.

As we know, the difference between the greatest and lowest values, called the range.

According to this response, the range is 1 hour, which is the difference between the most and least amount of time spent surfing the Internet. This is based on the term “Range.”

Thus, the statement third “the difference between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour” is correct.

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Answer:

The difference between the greatest amount of time and the least amount of time spent surfing the Internet is 1 hour!

Step-by-step explanation:

The tracking number for a package is 693840002. You mistakenly type 698340002 and get tracking information on a different package. Why was the tracking number you entered not recognized as being incorrect?

Answers

Answer:

See below ~

Step-by-step explanation:

The tracking number for the package is : 693840002

The number you have typed in is : 698340002

The place values of 8 and 3 in the tracking number have been switched. Therefore, as it is not the same tracking number, you get tracking information of a different package which corresponds to the number.

PLEASE HELP!!!!!!!!

WILL GIVE BRAINLY IF RIGHT!!!!!!!!


Simplify.

[tex]\sqrt{(2\pi-4\sqrt{5})^2}[/tex]

Answers

Answer:

2π - 4√5

(= -2.66 to nearest hundredth).

Step-by-step explanation:

√(2π - 4√5)^2

= 2π - 4√5             (by the definition of a square root)

If you want an approximate value it is

-2.66 to the nearest hundredth

What is 1,391 rounded to the nearest hundred

Answers

Answer:

1400

Step-by-step explanation:

i hope this helps u

Answer:

1,400

Step-by-step explanation:

It's closer to 400 than 300

4) The lower cable meets the tree at a height of 12 feet and extends out 32 feet from the base of the tree. If the tria
similar, how tall is the tree?
56 ft
The tree is ft tall.
Question 4

Answers

The tree would be approximately 34 feet tall.

Explanation: This is a Pythagorean Theorem problem. 12^2 + 32^2 = 1,168. The square root of 1,168 is 34.176, which rounds down to 34.


What number is 32% of 100?

Answers

Answer:

32

P = 100 × 32%(0.32) = 32

Answer:

32

Step-by-step explanation: You multiply 100 by 0.32 which is 32% as a decimal

Is substitutions the best method to use when one variable is already known

Answers

there’s two ways to substitute, but i think you mean if you know x but don’t know y. if that is true, then yes use substitution
Substitution Method is used for solving equations in 2 Variables, where you find the value of one variable in terms of the other and then substitute that value into any one of the equations. It can also be used when one Variable is known to you and you have to find the other.

The area of a parallelogram is the product of the base b and the height h. Identify the formula.

Answers

Answer:

b x h

Step-by-step explanation:

product of the base (b) and the height (h) just means b x h.

PLease help screenshot provided

Answers

Answer:

n= -80

Step-by-step explanation:

Hope this helps! ;-)

Answer:

[tex]\huge\boxed{\sf n = -20}[/tex]

Step-by-step explanation:

Given Equation:

[tex]n=5(2k^2+2k-6)[/tex]

Put k = -2

[tex]n=5[2(-2)^2+3(-2)-6]\\\\n =5[2(4)-6-6]\\\\n=5(8-12)\\\\n= 5(-4)\\\\\boxed{n = -20}\\\\\rule[225]{225}{2}[/tex]

4x4 y3 + v y + 7

Leading term:

Leading coefficient:

Constant term:

Answers

Answer:

Leading term: 4x⁴y³

Leading coefficient: 4

Constant term: 7

The leading term contains the highest degree and power of variable.The leading coefficient is the number written in front of the variable with the largest exponent.The constant term is the simplified number written where there are no variables.

Answer:

Leading terms : 4x⁴y³

Leading co-efficient: 4

Constant: 7

Step-by-step explanation:

Leading term: Leading term is the term that holds the highest degree of the  polynomial.

     

Leading co-efficient is the coefficient of the leading term.

Constant term is the term without any variable

Find the area of the figure. Round to the nearest hundredth where necessary.
15 cm
14 cm
23 cm
19 cm
34 cm

Answers


[tex]\bold{ANSWER:}[/tex]
787.5

[tex]\bold{SOLUTION:}[/tex]

The area of the given figure is 787.5 square centimeter

What is Area of Rectangle?

The area of Rectangle is length times of width.

The given figure has a rectangle whose length is 23 cm

width is 14 cm

Area of rectangle = 23×14

=322 square centimeter

Area = 15+34/2 ×19

=931/2

Total area = 322+931/2

=787.5 square centimeter

Hence, the area of the given figure is 787.5 square centimeter

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Determine the distance between the points plotted on the graph. Round to the nearest tenth, if necessary.

Answers

Answer:

d= 4[tex]\sqrt{2}[/tex] or 5.66

Step-by-step explanation:

(-2,7) and (2,3)

d = [tex]\sqrt{(x2-x1)^{2} + (y2-y1)^{2} }[/tex]

d= [tex]\sqrt{(2-(-2))^{2} + (3-7)^{2} }[/tex]

d = [tex]\sqrt{16 + 16}[/tex]

d= 4[tex]\sqrt{2}[/tex] or 5.66

Maddi has a bin shaped like a right prism. She knows that the area of the base of the bin is 14 in² and the volume of the bin is 392 in³.

What is the height of Maddi's bin?


28 in.

33 in.

38 in.

43 in.

Answers

Answer:

The answer is 28 in

Step-by-step explanation:

I divided 392/14=28

hopefully it helps.

please mark brainliest.

Answer:

it is 28

Step-by-step explanation:

i took the exam

Caroline, Colin & Sarah share some money.

Caroline gets

1

9

of the money.

Colin and Sarah share the rest in the ratio 1:3.

What proportion does Colin get?

Answers

Caroline, Colin & Sarah share some money.Caroline will get [tex]\dfrac{2}{3}[/tex]  when Caroline, Colin & Sarah share some money.

What is the ratio?

The ratio defined as the sharing of the two or three things or it represent that one thing or number is how many times to the other.

One part is excluded in the problem. That part is:

"Caroline gets [tex]\dfrac{1}{9}[/tex] of the money."

If Caroline gets 1/9th, then remaining is:

[tex]1-\dfrac{1}{9}=\dfrac{8}{9}[/tex]

Colin and Sarah share in ratio 3 is to 1, that means 3 + 1 = 4 parts...

8/9th in 4 parts means, each part is:

[tex]\dfrac{\dfrac{8}{9}}{4}=\dfrac{2}{9}[/tex]

We know Colin gets "3" parts of the total, each part is (2/9)th, so 3 parts would be:

[tex]3\times \dfrac{2}{9}=\dfrac{6}{9}=\dfrac{2}{3}[/tex]

Colin gets  [tex]\dfrac{2}{3}[/tex] money when three of them share money.

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3. Mick recorded the rainfall, in inches, each day for the last 8 days. What is the difference between the most amount of rainfall and the least amount of rainfall?​

Answers

Answer: 2 inches

At 8 days there will be 8/4 = 2

Difference = 2 - 0 = 2 inches

Drag and drop to complete the proof below:
Given: DE is tangent to circle C, at point F
Prove: E
D
F
חד
C

Answers

The sum of angle ∠FEC and angle ∠ECF is 90°. Then they are complementary angles.

What is a circle?

It is the centre of an equidistant point drawn from the centre. The radius of a circle is the distance between the centre and the circumference.

DE is tangent to circle C, at point F.

Then prove that angle ∠FEC and angle ∠ECF are complementary angles.

We know that the radius of the circle and the tangent on the circle make a right angle at the circumference.

Then angle ∠EFC will be 90°.

The sum of all interior angles of the triangle is 180°. Then we have

∠FEC + ∠ECF + ∠EFC = 180°

  ∠FEC + ∠ECF + 90° = 180°

            ∠FEC + ∠ECF = 90°

The sum of angle ∠FEC and angle ∠ECF is 90°. Then they are complementary angles.

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Daniel's goal is to walk 100 miles.• He walks 5 miles every day.• He has
walked for 7 days. Daniel still needs to walk k more miles for his goal.
Which equation could be used to find how many more miles, k, Daniel
will have to walk to meet his goal

Answers

Answer:

65 miles

Step-by-step explanation:

Given:

k = how many more miles Daniel has to walkGoal = 100 milesDaily miles = 5 milesNumber of days already walked = 7 days

Equation:

5 × 7 + k = 100

Solving:

⇒ 5 × 7 + k = 100

⇒ 35 + k = 100

⇒ k = 100 - 35

k = 65

solve for x !
[tex]x {}^{2} - 5x + 6 = 0[/tex]


ty! :)​

Answers

Step-by-step explanation:

[tex] {x}^{2} - 5x + 6 = 0\\ {x}^{2} - 3x - 2x + 6 = 0\\ x(x - 3) - 2(x - 3) = 0\\ (x - 3)(x - 2) = 0 \\ either \\ x - 3 = 0 \\ x = 3 \\ or \\ x - 2 = 0 \\ x = 2[/tex]

Harry invests $1000 in an investment account that earns 6% interest, compounded annually. How much money will he have in the account after 30 years?

Answers

the answer to that question is 1800

Sequence of 2,-6,-14,-22 determine the n term

Answers

Answer:

[tex]a_{n}[/tex] = - 8n + 10

Step-by-step explanation:

the sequence has a common difference between consecutive terms , that is

- 6 - 2 = - 14 - (- 6) = - 22 - (- 14) = - 8

this indicates the sequence is arithmetic with nth term

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

here a₁ = 2 and d = - 8 , then

[tex]a_{n}[/tex] = 2 - 8(n - 1) = 2 - 8n + 8 = - 8n + 10

Please help me I'll mark brainliest ​

Answers

Answer:

B

Step-by-step explanation:


What is the number sentence for "1 less than N is the sum of Z and
2"?

Answers

          [tex]\rule{50}{1}\large\textsf{\textbf{\underline{Question:-}}}\rule{50}{1}[/tex]

        What is the number sentence for "1 less than n is the sum of z and 2?"

         [tex]\rule{50}{1}\large\blue\textsf{\textbf{\underline{Answer and how to solve:-}}}\rule{50}{1}[/tex]

  ❖ First, Notice it says "1 less than n". This expression indicates that

        we subtract 1 from n, which  looks as follows:-

                                                     [tex]\Large\textit{n-1}[/tex]

❖ Now, It also says "the sum of z and 2". This indicates that we add z and

     2:-

                                       [tex]\Large\textit{z+2}[/tex]

❖ Now, Combine these two little expressions into one equation:-

[tex]\implies\sf{n-1=z+2}[/tex]

Good luck with your studies.

#TogetherWeGoFar

[tex]\rule{300}{1}[/tex]

Look at the image below. Whats the area of the triangle (PLEASE HELP)

Answers

Answer:

28

Step-by-step explanation:

the formula for finding the area of a triangle is 1/2×base×height. the height is the spot where you can create a right angle with the base, which here is 14 meaning the equation is 1/2(4)(14)

Determine the x coordinate of the center of a circle if its diameter's endpoints are located at (7,-2) and (9,5).

Answers

Answer:

(2,8)

Step-by-step explanation:

An angle that measures 125° is composed of three smaller angles. Two of the smaller angles measure 25° and 40 degrees Tom thinks he can use the equation 25 degrees + (40 degrees - 25 degrees) = s to find the measure of the unknown smaller angle, s. Explain why Tom is incorrect and tell how to find the measure of the third smaller angles

Answers

The measure of the other angle is 60°.

What is an Angle ?

An angle is a combination of two rays (half-lines) with a common endpoint. The latter is known as the vertex of the angle and the rays as the sides, sometimes as the legs and sometimes the arms of the angle.

As given in the question

An angle that measures 125° is composed of three smaller angles.

Two of the smaller angles measure 25° and 40 degrees

Tom thinks he can use the equation 25 degrees + (40 degrees - 25 degrees) = s to find the measure of the unknown smaller angle, s

Tom is incorrect because the sum of the smaller angles will be equal to the bigger angle and the equation he has written is wrong.

The right equation and method will be

25 +40+x = 125

x = 125-40-25

x = 60°

Therefore the measure of the other angle is 60°.

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please answer this question​

Answers

The integration of the provided integration expression which is evaluated without using the beta function is equal to 1/1011.

What is integration?

It is the reverse of differentiation. The differentiation is the rate of change of the function with respect to variables.

The integration is given below.

[tex]\rightarrow \rm \int _0^{\infty} \dfrac{x^{1010}}{(1 +x)^{2022}} \ dx[/tex]

Then the integration can be written as

[tex]\rightarrow \rm \int _0^{\infty} \dfrac{x^{1010}}{[(1 +x)^{1011}]^2} \ dx[/tex]

Let (1 + x)¹⁰¹¹ = t. Then 1011x¹⁰¹⁰ dx = dt.

Then we have

[tex]\rightarrow \int_{1}^{\infty } \dfrac{dt}{1011 \ t^2}[/tex]

Then integrate

[tex]\rightarrow \dfrac{1}{1011} \left [ \dfrac{-1}{t} \right ]_{1}^{\infty }\\\\\\\rightarrow \dfrac{1}{1011} \left [ \dfrac{1}{t} \right ]^{1}_{\infty }\\\\\\\rightarrow \dfrac{1}{1011} \left [ 1- 0 \right ]\\\\\\\rightarrow \dfrac{1}{1011}[/tex]

The integration of the provided integration expression which is evaluated without using the beta function is equal to 1/1011.

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solve this question please

Answers

Answer:

Step-by-step explanation:

a) 1.8 kg in grams is 1800 g

b) If 6 toys weigh 1800g; then 1 toy weighs 300 g(6:1)

c) If 1 toy weighs 300 g, 4 toys weigh 1200 g and you convert in kg which is 1.2 kg

Is the triangle proved similar?

Answers

It is not similar hope this help

please type the write answer​

Answers

Step-by-step explanation:

the only thing that I can tell you about it

20 Points Help Please! Calculate the area of triangle ABC with CD, given A(6,0) B(1,5) C(2,0) D(4,2) with thorough explanation.

Answers

The area of the triangle ABC with the coordinates A(6,0) B(1,5) C(2,0) is 10 square units

How to determine the area of the triangle ?

The coordinates are given as:

A(6,0) B(1,5) C(2,0) D(4,2)

The area of the triangle is calculated using:

Area = 0.5 * |Ax(By - Cy) + Bx(Ay - Cy) + Cx(Ay - By)|

Using the above formula, we have:

Area = 0.5 * |6 * (5 - 0) + 1 * (0 - 0) + 2 * (0 - 5)|

Evaluate the sum of products

Area = 0.5 * |20|

Remove the absolute bracket

Area = 0.5 * 20

Evaluate the product

Area = 10

Hence, the area of the triangle ABC is 10 square units

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