Please help. This question is on geometric sequences

Please Help. This Question Is On Geometric Sequences

Answers

Answer 1

Answer:

13.89 to 2 dec places.

Step-by-step explanation:

a7 / a5 = r^2   where r is the common ratio.

So 3/5 = r^2

r^2 = 0.6

r = +√0.6

r = 0.7746.

The first term is a5 / r^4

= 5 / (0.7746)^4

= 13.89.


Related Questions

A 3-inch by 5-inch photo is enlarged proportionally such that its smaller dimension is now 1 foot 3 inches. How many inches are in the larger dimension?

Answers

Answer:

There are 25 inches in the larger dimension.

Step-by-step explanation:

∵ 1 foot = 12 inches

∵ The small dimension after enlargement is 1 foot and 3 inches

→ Change it to inches only

∴ The small dimension = 1(12) + 3 = 12 + 3

The small dimension = 15 inches after enlarged

∵ The small dimension of the photo before enlarged = 3 inches

→ Divide its length after enlarged by its length before enlarged to

   find the scale of the enlargement

∵ 15 ÷ 3 = 5

The scale of enlarged is 5

→ To find the larger dimension after enlarged multiply its length

   before enlarged by 5

∵ The larger dimension before enlarged = 5 inches

∴ The larger dimension after enlarged = 5 × 5

The larger dimension after enlarged = 25 inches

There are 25 inches in the larger dimension.

Why you do not have to do any computing or math do solve 15 x 0 x (13 + 7)? Explain.

Answers

Answer:

because when you do 15*0 it =0 so anything else multiplied by 0 is 0

Step-by-step explanation:

5. Arrange the following interest rates in ascending order (least to greatest):
4.72
4 1/4
4.168
4 1/5
4 1/6
4.22

Answers

4 1/6, 4.168, 4 1/5, 4.22, 4 1/4, 4.72

to find the slope of the two points

Answers

Answer:

Slope is :-

[tex] \boxed{\bf \; m \; = - \cfrac{7}{5}} [/tex]

Step-by-step explanation:

Given two points :-

[tex] \sf \implies(-5,3) , (0,−4)[/tex]

To Find :-

The slope of Two points that is given.

Solution :-

[tex]\sf \implies(-5,3) , (0,−4)[/tex]

As we know that the formula of Slope is :-

[tex]\sf \implies \boxed{\sf Slope = \cfrac {y_2 - y_1}{x_2 - x_1}}[/tex]

Now, Put the values of x and y :-

Where,

[tex]{ \sf \: {y_2} = - 4}[/tex]

[tex] \sf \: x_2 = 0[/tex]

[tex] \sf \: y_1 = 3[/tex]

[tex] \sf \: x_1 = - 5[/tex]

Put the values on their respective place :-

[tex]\sf \implies \: Slope = \cfrac{ - 4 - 3}{0 - ( - 5)} [/tex]

Simplify this Fraction :-

Add -4 and -3 which is on the numerator as we know that "-" and "-" equals to "+":-

[tex]\sf \implies \: Slope = \cfrac{ - 7}{0 - ( - 5)} [/tex]

Now Add 0-(-5) on the denominator as we know that "-" and "-" equals to "+":-

[tex]\sf \implies \: Slope = \: \cfrac{ - 7}{ 5} [/tex]

Which can be rewritten as,

[tex]\sf \implies \: m = \: - \cfrac{7}{5} [/tex]

This fraction can't be cancelled. Hence, the slope of the two points is:-

[tex]\sf \implies \boxed{\sf m = \: - \cfrac{7}{5}} [/tex]

Note :- Slope can also be denoted as [tex] m [/tex].

________________________________

I hope this helps!

What is the square root of 30 to two decimal places

Answers

Answer:

30.0

Step-by-step explanation:

an Elephant at the zoo Lost 24 pounds over 6 months. The elephant lost the same amount of weight each month. Write a integer that represents the change in the elephant’s weight each month.

Answers

Answer:

4

Step-by-step explanation:

24 divided by 6 equals 4

Answer:

...

Step-by-step explanation:

how do I find measure of angles​

Answers

Answer:

you are going to need a protractor

Step-by-step explanation:

cual es la motaña más alta del mundo​

Answers

Answer: Mount Everest

Step-by-step explanation: dunno

Write the converse of the following conditional? If you own a Prius, then you own a car made by Toyota.

Answers

Answer:

You own a car made by Toyota if you own a Prius.

Step-by-step explanation:

If the conditional is p->q then the converse would be q->p. So basically to get the converse switch the order of the statements.

17v + 3v = 20

Solve for V.

Answers

Answer:

v=1

Step-by-step explanation:

Answer:

V = 1

Hope this helped :)

Solve the system of equations by using substitution. Give your final answer in the form of an ordered pair.



5x - 2y = 26

y + 4 = x

Answers

5x -2y = 26. We know that x = y + 4. Substitute the value of x in and you get 5y + 20 - 2y = 26 If yous simplify this you get 3y + 20 = 26
Take away 20 from both sides and you end up with 3y = 6
Now did use both sides by 3

You end up with y = 2
Now to find x you just simplify the value of y into x = y + 4. You end up with x = 2 + 4. Now you know that y = 2 and. X = 6

Which statements about the values of 4.099 and 40.99 are true? Select all that apply. 4.099 is 110 of 40.99. 4.099 is 1100 of 40.99. 40.99 is 10 times more than 4.099. 40.99 is 100 times more than 4.099. 4.099 is 10 times more than 40.99.

Answers

Answer:

40.99 is 10 times more than 4.099

Step-by-step explanation:

Given the values :

4.099 and 40.99

4.099 is 110 of 40.99 : 110 * 40.99 = 4508.9 (false)

4.099 is 1100 of 40.99 : 1100 * 40.99 = 45089 (false)

40.99 is 10 times more than 4.099 : (10 * 4.099) = 40.99 (true)

40.99 is 100 times more than 4.099 : (100 * 4.099) = 409.9 ( false)

4.099 is 10 times more than 40.99 : (10 * 40.99) = 409.9 (false)

Answer:

the answer is c trust me

Step-by-step explanation:

What is "fifty thousand, six hundred thirty-one" in standard form?

Answers

Answer:

50,631

Step-by-step explanation:

Answer:

55,631

Hope it helps!

Show the work for this problem

Answers

4^3-13-1
64-13=51
51-1=50

You rode 180 miles at 60 miles per hour. Let t be the time it took. Can t be 4 hours?

Answers

Answer:

t = 3 hours, therefore it cannot be 4 hours

Step-by-step explanation:

Divide the miles traveled by the rate you traveled. This will find the time it took to travel.

180/60 = 3

You drove 3 hours to travel 180 miles, therefore t cannot equal 4.

i drew tge question because im not doing it ion my home laptop

Answers

Answer:

Correct Choice: G. point B

Step-by-step explanation:

The Number Line

A number line is defined as a graphic representation of numbers such as fractions, integers, and whole numbers laid out evenly on a straight horizontal line.

The number line can be used for comparing and ordering numbers and also performing simple operations such as addition and subtraction.

There are four numbers located on a number line. Let's analyze each one:

A: -27/3. This division is a whole number =.9 and is correctly placed.

B: -13/2 = -6.5. Note this value was incorrectly placed at -4.5.

C: 9/2= 4.5. The number is correctly placed

D: 21/3 = 7. This number is also placed in the correct location

Correct Choice: G. point B

The first three terms of a geometric sequence are as follows.
-7, 14, -28
Find the next two terms of this sequence.
Give exact values (not decimal approximations).
-7, 14, -28, 00

Answers

Answer:

The next two terms of the sequence -7, 14, and -28 are 56 and - 112.

Step-by-step explanation:

-7 * -2 = 14

14 * -2 = -28

The sequence is to multiply each number by -2.

-28 * -2 = 56

56 * -2 = -112

Answer: The next two terms of the sequence -7, 14, and -28 are 56 and - 112.

Step-by-step explanation:

Can you help me please?

Answers

Answer:

61.5 in 41 mins 90 in one hour,

Step-by-step explanation:

i multiplied 1 1/2 by 41 and by 60

hope this helps i am very sorry if it is incorrect..

A boat cost $16,500 and decreases in value by 13% per year how much will the boat be worth after eight years?

Answers

Answer:

$5,415.49

Step-by-step explanation:

Cost of the boat = $16,500

Decrease in value per year = 13%

Worth of the boat in 8 years = ?

Remaining value = 100% - 13%

= 87%

Worth of the boat in 8 years = cost of the boat × remaining value^8

= $16,500 × 87%^8

= $16,500 × 87/100^8

= $16,500 × 0.87^8

= $16,500 × 0.3282116715437121

= $5,415.49

The worth of the boat after 8 years = $5,415.49

- sixteen divided by -two

Answers

Answer:

8

Step-by-step explanation:

Answer:

-16 divided by -2 is 8

Step-by-step explanation:

When you divide a negative from a negative you get a positive

Definition: Ifa = b. then a - c= b - c. This is the what property of equality

Answers

Answer:

Subtraction property

Step-by-step explanation:

I need help asap I'm giving the rest of my points

Answers

Answer:

a. 32. 3

Step-by-step explanation:

4x3=12

1×3=3 (3 min missing from table)

32×3=96 (32 songs miss)

y=−3(x+3)+4 i have no clue how to answer

Answers

Answer:

y=-3x+13

Step-by-step explanation:

y=-3x-9+4

-9+9= 0 so that cancel out

next u do

4+9=13

and thats when u drop the variables and the 13 down then it will be

y= -3x + 13

Hassan writes an algebraic expression with four terms. The x-term has a coefficient of 2, and the z-term has a coefficient of -1. The expression has a constant term less than zero. Which expression could he have written?

a) 2x + z + 5 - 6z^2
b) 2x- z-5 + 2z^2
c) -2 x - z- 5 + 2z^2
d) -2 x + z- 5 + 2z^2

Answers

Answer:

Hi there!

Your answer is:

B) 2x -z -5 + 2z^2

Step-by-step explanation:

xterm has 2 in front

z term has -1 in front

expression has constant term <0 (means it must be neg)

2x - 1z + (x<0)

Hope this helps

which is the correct value of c for x^2-14x+c=(x-7)^2

Answers

Answer:

c = 3.5 - x

Step-by-step explanati

x^2 - 14x + c = (x - 7)^2

x^2 - 14x + c = x^2 - 7^2

x^2 - 14x + c - x^2 = x^2 - 49 - x^2

-14x + c = 49

-14x / -14 + c = 49 / -14

x + c = 3.5

x - x + c = 3.5 - x

c = 3.5 - x

State if the two triangles are congruent. If they are, state how you know.

Answers

Answer:

The triangles can be congruent.

Step-by-step explanation:

They are congruent if proven by SSS: 2 sides are clearly stated that they are congruent due to the marks they have.

The last side can be congruent if the diagonals are congruent in length by proving.

They can also be congeuent due to SAS because there is gonna be alternate interior angles due to the transversal.

8 ghosts greet each other with 'Boo!
How many times is the phrase 'Boo! being said?

Hint For three ghosts, Boo
is said 6 times For four ghosts, Boo is
said 12 times!

Answers

Answer:

im pretty sure 16 times

Step-by-step explanation:

well if you look at it there are 8 ghost's. they are going to greet each other, soo. B would say 8x7 because 8 ghost's would say boo to 7 more. soo 8x7=56                        

p.s

sorry if wrong

solving literal equations a-bc=d solve for a

Answers

Answer:

a=d+Bc

Step-by-step explanation:

a-bc=d

+bc

a=d+bc

10. Calculate the speed of waves in a puddle that are .15 apart and made by tapping the water
surface twice each second.

Answers

Since the waves are 0.15 apart and made by tapping the water surface twice each second the speed of waves in the puddle is 0.6 m/s

To answer the question, we need to know what a wave is

What is a wave?

A wave is a disturbance in space which carries energy from one point to another

What is the speed of a wave?

The speed of a wave v = fλ where

f = frequency and λ = wavelength

Wavelength of wave

Since the puddles are 0.15 m are and we know that this is the distance from crest to crest.

Also, the distance from crest to crest is λ/2

So, λ/2 = 0.15

λ = 2 × 0.15 m

= 0.3 m

Frequency of wave

Also, since the tapping by the water surface is done twice each second, the frequency, f = 2 times/s = 2 Hz

Speed of waves in puddle

Substituting the values of the variables into the equation, for speed, we have

v = fλ

v =  2 Hz × 0.3 m

v = 0.6 m/s

So, the speed of waves in the puddle is 0.6 m/s

Learn more about speed of wave here:

https://brainly.com/question/4054018

#SPJ1

PLS HELP TT
write a paragraph proof for the following conjecture
Given m∠1 + m∠2 = m∠4
Prove: m∠3 + m∠1 + m∠2 = 180°

Answers

 m∠1 + m∠2 = m ∠4 , under the exterior angle property of a triangle which says that sum of the interior opposite angles of an exterior angle will be equal to the measure of the exterior angle .

To prove that m∠3 + m ∠1 +  m∠2 = 180° , let us use the angle sum property .

= Angle sum property = Sum of the three interior angles in a triangle will be equal to 180° .

= Since  ∠1 ,  ∠2 and  ∠3 are the interior angles of this triangle , their sum will be equal to 180° .

Hence proved that m∠1 +  m∠2 + m∠3 = 180°

∴ m∠1 +  m∠2 + m∠3 = 180° under the angle sum property of a triangle .

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