which of the following are geometric sequences?
a: 5,10,20,40,80,160
b: 3,6,9,12,15,18
c: 10,5,2.5,1.25,0.625,0.3125
d:1,3,9,27,81

Answers

Answer 1

Answer:

A, C, D

Step-by-step explanation:

This is because the ratio between te consecutive terms are constant, that is ×2, ×0.5 and ×3 respectively


Related Questions

Find an equation of the line L that contains the points (0,0) and (5,3)

Y =

Answers

Answer:

y = (3/5)*x

Step-by-step explanation:

First, we can use the slope-intercept form of a line, or y=mx+b

To find the slope, m, we can find

(y₂-y₁)/(x₂-x₁). Denoting (0,0) as (x₁,y₁) and (5,3) as (x₂, y₂) (it is perfectly okay to have (0,0) as (x₂, y₂) and (5,3) as (x₁,y₁) as well), we have

(y₂-y₁)/(x₂-x₁) = (3-0)/(5-0) = 3/5

Therefore, our equation is

y = (3/5)x + b

To solve for b, we can plug any value of (x,y) from the line, e.g. (0,0), and solve from there, resulting in

y = mx + b

0 = (3/5)*0 + b

0 = b

Our equation is therefore

y = (3/5)*x + 0

= (3/5)*x

Can someone answer this? It’s 9th grade algebra

Answers

Answer:

C

Step-by-step explanation:

We want to solve the inequality:

[tex]\displaystyle 5.1(3 + 2.2x) > -14.25 - 6(1.7x+4)[/tex]

Distribute:

[tex](15.3+11.22x) > -14.25 + (-10.2x-24)[/tex]

Combine like terms:

[tex]15.3 + 11.22x > -10.2x-38.25[/tex]

We can add 10.2x to both sides:

[tex]15.3 + 21.42x > -38.25[/tex]

Subtract 15.3 from both sides:

[tex]21.42x > -53.55[/tex]

And divide both sides by 21.42. Hence:

[tex]\displaystyle x > -2.5[/tex]

This means all values greater than -2.5. Hence, in interval notation:

[tex](-2.5, \infty)[/tex]

In conclusion, our answer is C.

Pls help a couple more questions left pls.

Answers

Answer: Amir Is Right

Step-by-step explanation: 4 seconds and it made 8 clicks

4/8 is 2  and the check if its right you can do 2x4 to get the clicks that were made in 4 seconds.

Answer:

Amir is correct.

Step-by-step explanation:

To find the cps (clicks per second), divide the clicks by the number of seconds.

[tex]\frac{8 clicks}{4 seconds}[/tex]

Simplify the fraction.

[tex]\frac{2 clicks}{1 seconds}[/tex]

Since 2 over 1 is really just 2 and the line of the fraction can be read as "per", we could re-write the above fraction in words as:

2 clicks per second

Therefor, Amir is correct.

What is 2 5/6 + 7/4
A. 2 2/5
B. 3 1/5
C. 3 4/5
D. 4 7/12

Answers

Answer:

D

Step-by-step explanation:

2 5/6=2 10/12

7/4=1 3/4= 1 9/12

2 10/12+1 9/12= 4 7/12

you can just change the denominators to the same which is 12. Hope you appreciate it!

if the replacement set for the independent variable of the function f(x)=2x^2+1 is {2,4,6,10} what is the corresponding set for the dependent variable

Answers

9514 1404 393

Answer:

  {9, 33, 73, 201}

Step-by-step explanation:

Put each of the values in place of the variable and do the arithmetic. For example, ...

  f(10) = 2(10)² +1 = 201 . . . . . 201 is in the output set, corresponding to x=10.

__

I find repetitive calculations are done easily by a graphing calculator or spreadsheet.

The corresponding set for the dependent variable is {9, 33, 73, 201}.

one month, ruby worked 6 hours more than isaac, and svetlana worked 4 times as many hors as ruby. together they worked 114 hours. find the number of hours each person worked

Answers

Answer:

Ruby = 18+6=24

Isaac = 18

Svetlana = 4*18=72

24+18+72=114

Step-by-step explanation:

Ruby= x+6

Isaac= x

Svetlana = 4x

x+6+x+4x = 114

6x = 114 - 6

x = 108/6

X = 18

Segment addition postulate
Find RT

Answers

Answer:

RT = 25.5

Step-by-step explanation:

RT = RS + ST = 17 + 8.5 = 25.5

correct ans will get brainlist pls help!!asap ​

Answers

Answer:

(a) 0.000000000503          (b) 800700000

Step-by-step explanation:

Hope this helps :)

Answer:

= 0.000000000503

Step-by-step explanation:

I assume it wants the answer as an ordinary number so its = 0.000000000503

Hope this helps!

In a survey 25% of the people said they live in a city of 60 people said they live in a city how many people were surveyed

Answers

Step-by-step explanation:

You said:

'25% of the people = 60 people "

' 25% ' means 0.25

'of ' means ' times'

So people (0.25) x (the people) = 60

the people=60/0.25

the people=6000/25

the people=240

Answer:

Step-by-step explanation:

Let the number of people = x

25% of x = 60

            [tex]\dfrac{25}{100}*x=60\\\\x=\dfrac{60*100}{25}\\\\x=60*4\\\\x= 240[/tex]

Find the product of 3 square root 12 and 4 square root 12 in simplest form. Also, determine whether the result is rational or irrational

Answers

9514 1404 393

Answer:

  144, rational

Step-by-step explanation:

The product is ...

  (3√12)(4√12) = (3)(4)(√12)^2 = 12·12 = 144, a rational number

Giving brainly for correct answers

Answers

Answer:

C

Step-by-step explanation:

Integers are only positive and negative numbers:)

also 0

fractions are not integers

Answer:

1/2

Step-by-step explanation:

c is the correct answer

Given CH with C(2, 1) and H(-2,-15), find
the coordinates of E if E divides CH three
fourths of the way from C to H.

Answers

The coordinate of E will be (1, -3) if the coordinates of E if E divides CH three -fourths of the way from C to H

Midpoint of a line is a point that divides a line into two equal parts.

If the line is divided in the ratio a:b, then the midpoint formula will be expressed as:

[tex]M(X,Y) =(\frac{ax_1+bx_2}{a+b}, \frac{ay_1+by_2}{a+b})\\[/tex]

Given the coordinate points, C(2, 1) and H(-2, 15) divided in the ratio of 3:4

[tex]X = \frac{3(2)+1(-2)}{3+1}\\X= \frac{6-2}{4}\\X=\frac{4}{4}\\X = 1[/tex]

Get the coordinates Y:

[tex]Y = \frac{3(1)+1(-15)}{3+1}\\Y= \frac{3-15}{7}\\Y=\frac{-12}{4}\\Y= -3[/tex]

This shows that the coordinate of E will be (1, -3)

Learn more here: https://brainly.com/question/3510899

Solve S = 2trh for h

Answers

Answer and Step-by-step explanation:

To solve for h, divide everything from both sides to get h by itself.

[tex]\frac{S}{2tr} =h[/tex] <- This is the answer.

#teamtrees #PAW (Plant And Water

I need answers asap!!!!!!!

Answers

Step-by-step explanation:

with God everything is possible

explanation

because we go to church

The senior classes at High School A and High School B planned separate trips to the state fair. The senior class at High School A rented and filled 13 vans and 6 buses with 278 students. High School B rented and filled 10 vans and 12 buses with 428 students. Every van had the same number of students in it as did the buses. Find the number of students in each van and in each bus.​

Answers

Answer:

8 students in van, 29 students in bus

Step-by-step explanation:

To find the number of students in each van and bus, we can use system of equations to solve. Our first step is to create one equation for High School A and B. Let's use x for vans and y for buses, but ultimately, the variables don't matter that much.

High School A: 13x+6y=278

High School B: 10x+12y=428

Let's use elimination method to solve. We would multiply the first equation by 2.

26x+12y=556

10x+12y=428

Now that the 12y is the same in both equations, let's eliminate y by subtracting the 2 equations.

 26x+12y=556

-(10x+12y=428)

          16x=128

With 16x=128 left, we can just solve for x.

16x=128               [divide both sides by 16]

x=8

Now that we have x=8, we can plug that into the equations above to find y.

13(8)+6y=278     [multiply]

104+6y=278       [subtract both sides by 104]

6y=174                [divide both sides by 6]

y=29

With x=8 and y=29, we know that there are 8 students in each van and 29 students in each bus.

Step-by-step explanation:

Let,

No. of students in vans = x

No. of students in bus = y

In case 1

13x + 6y = 278(1)

In case 2

10x + 12y = 428(2)

On multiplying eq. 1 by 2

2(13x + 6y) = 2(278)

26x + 12y = 556 (3)

On subtracting 2 and 3

26x + 12y - (10x + 12y) = 556 - 428

26x + 12y - 10x - 12y = 128

16x = 128

x = 128/16

x = 8

From 1

13(8) + 6y = 278

104 + 6y = 278

6y = 278 - 104

6y = 174

y = 174/6

y = 29

. Point C is on line segment AB
so the ratio of AC to CB is 1 to
3. What are the coordinates of
Point ?

Answers

Answer:

Using the section formula, if a point (x,y) divides the line joining the points (x

1

,y

1

) and (x

2

,y

2

) in the ratio m:n, then

(x,y)=(

m+n

mx

2

+nx

1

,

m+n

my

2

+ny

1

)

3AC=CB

CB

AC

=

3

1

Since, A(1,1) and B(2,3) & m:n=1:3

Therefore, we have

C(

m+n

mx

2

+nx

1

,

m+n

my

2

+ny

1

)

(

1+3

(1)(2)+3(1)

,

1+3

(1)(3)+3(1)

)

C→(

4

5

,

2

3

).

ommunity Wellness Complex is being built in Del Rio. The perimeter of the rectangular playing field is 366 yards. The length of the field is 5 yards less than triple the width. What are the dimensions of the playing
his yards.
ath is yards

Answers

Let width be xLength=3x-5

[tex]\\ \rm\longmapsto Perimeter=2(L+B)[/tex]

[tex]\\ \rm\longmapsto 2(x+3x-5)=366[/tex]

[tex]\\ \rm\longmapsto 2(4x-5)=366[/tex]

[tex]\\ \rm\longmapsto 4x-5=\dfrac{366}{2}[/tex]

[tex]\\ \rm\longmapsto 4x-5=183[/tex]

[tex]\\ \rm\longmapsto 4x=183+5[/tex]

[tex]\\ \rm\longmapsto 4x=188[/tex]

[tex]\\ \rm\longmapsto x=\dfrac{188}{4}[/tex]

[tex]\\ \rm\longmapsto x=47[/tex]

[tex]\\ \rm\longmapsto 3x-5=3(47)-5=141-5=146[/tex]

Estimate 26 to the nearest tenth. Then locate 26 on a number line.

Answers

Answer:

30 is the nearest tenth of 26

Quadrilateral ABCD is a square. What is the length of AC?

Select the best answer from the choices provided.
A. 11
B.15.556
C.19.052
D. 22

Answers

The answer Is D. 22cm

Cupcakes Promotion All cupcakes at $2 each !
Buy 8 and get 1 free!

How many cupcakes will Fatimah get if she paid $80 during the promotion?​

Answers

Answer:

45

Step-by-step explanation:

....................

Hey there! I'm happy to help!

We see that the cupcakes are $2, but for every 8 you buy you get 1 free.

So, if we buy 8 cupcakes, we will be paying $16, but we will actually be receiving 9 donuts, so that means that for every $16 we pay, we get 9 donuts.

Let's see how many times $16 goes into $80.

80/16=5

So, this means that our $16 that gives us 9 donuts was done 5 times, which totals up to 80 dollars. Let's multiply our donuts now.

9*5=45

So, Fatimah will get 45 donuts during the promotion.

Have a wonderful day and keep on learning! :D

calculate the gradient of the straight line that passes through G(-6,4) and H(2,-4)​

Answers

Answer:

-1

Step-by-step explanation:

gradient = [tex]\frac{y1-y2}{x1-x2}[/tex]

= (4-(-4))/ (-6-2) = 8/-8 = -1

Which equation should you solve to find X?
10
х
26
9
A. tan 26°
9
2
B. cos 26°
io
O C. cos 26°
9
10
D. sin 26°
10
N

Answers

Answer:

From SOHCAHTOA

Sine=Opp/Hyp

Sin26 = x/10

This is the appropriate eqn to solve this

OPTION D IS YOUR ANSWER!

find the value of' m' if (-m 3) is the solution of equation 4x +9y -3=0

Answers

(-m,3) is a solution .Put in equation

[tex]\\ \qquad\quad\sf\longmapsto 4x+9y-3=0[/tex]

[tex]\\ \qquad\quad\sf\longmapsto 4(-m)+9(3)-3=0[/tex]

[tex]\\ \qquad\quad\sf\longmapsto -4m+27-3=0[/tex]

[tex]\\ \qquad\quad\sf\longmapsto -4m+24=0[/tex]

[tex]\\ \qquad\quad\sf\longmapsto -4m=-24[/tex]

[tex]\\ \qquad\quad\sf\longmapsto m=\dfrac{-24}{-4}[/tex]

[tex]\\ \qquad\quad\sf\longmapsto m=6[/tex]

Blake and Jordan bought the same type of candy bar. Blake ate 3/4 of his candy bar and Jordan ate 5/8 of his. How much more of a candy bar did Blake eat than Jordan?

Answers

Answer:

The answer would be 3/4 > 5/8

Write the Roman Numeral CLXIV in standard form. Standard Roman Number Numeral 1 1 5 V 10 X 50 100 500 D 1,000 M XJ002 2 A) 169 OB) 166 C) 164​

Answers

Answer:

C. 164

Step-by-step explanation:

its self explanitory

19. A square is divided into a 100-by-100 grid of smaller squares. If 100
squares are shaded in the top row, 99 in the second row, 98 in the third
row, and so on, what is the ratio of the squares shaded to the squares not
shaded? Write the answer as a fraction in simplest form.

Answers

Answer:

13:9 with 9 being unshaded

Step-by-step explanation:

i drew a similar grid, shaded them in in the way you specified, then counted the squares on either side. the i put the numbers in a fraction and simplified

felicia went out to dinner with friends. when the check came, she said she would pay the tip. the tip was 10 percent of the total bill for all 4 people was $22.00. what was the total tip she paid?

Answers

Answer:

$2.20

Step-by-step explanation:

The tip is 10% of $22, or 0.1 * 22 = 2.2

So $2.20 (we can add a hidden 0 on the end)

Which of the following expressions is correct?
|-37| = 37
-|37| = 37
|-37| = -37
-|-37| = 37

Answers

l-37l=37 is the correct answer.

HELPPPPP!!!!!!!!!!!!!!!!!!!

Answers

8o+12y=362
12o+8y=388
Im choosing “o” for orchid and “y” for lily
20o+20y=750
20o=750–20y
o=37.5–y
(37.5–y)+20y=750
-y+20y=712.5
19y=712.5
y=37.5

So, lilies sell for $37.50

46. Order these numbers from least to greatest:
1/2, 0.4, 1/3, 1/5

Answers

Answer:

1/5, 1/3, 0.4, 1/2

Step-by-step explanation:

1/5 = 0.2

1/3 = 0.33

1/2 = 0.5

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