what is the common ratio of the geometic sequence whose second and forth terms are 6 and 54, respectively?

a) 1
b) 2
c) 3
d) 4​

Answers

Answer 1

Answer:

C

Step-by-step explanation:

The n th term formula of a geometric sequence is

[tex]a_{n}[/tex] = a [tex]r^{n-1}[/tex]

where a is the first term and r the common ratio

Using the second and fourth term, then

ar = 6 → (1)

ar³ = 54 → (2)

Divide (2) by (1)

[tex]\frac{ar^3}{ar}[/tex] = [tex]\frac{54}{6}[/tex] = 9

r² = 9 ⇒ r = [tex]\sqrt{9}[/tex] = 3 → C

Answer 2

The answer would be C.


Related Questions

A rectangular garden is 8 feet wide and 15 feet long. A diagonal path cuts through the entire garden. How long is the path?

Answers

Answer:

23

Step-by-step explanation:

Answer:

17

Step-by-step explanation:

change
4/5 to a percent​

Answers

Answer:

80%

Step-by-step explanation:

4/5 is equal to 0.8, and 0.8 is equal to 80%

Answer:

[tex]\large\boxed{\dfrac{4}{5}=80\%}[/tex]

Step-by-step explanation:

[tex]n\ to\ a\ percent:\ n=n\cdot100\%\\\\======================\\\\\dfrac{4}{5}=\dfrac{4}{5}\cdot100\%=\dfrac{400}{5}\%=80\%[/tex]

Find the area of this regular polygon.
Round to the nearest tenth.

Answers

Rounding to the nearest tenth, the area of the regular pentagon is approximately 175.1 square centimeters.

To find the area of the regular pentagon, we can use the formula:

Area = (5/2) * s * r

Where s is the length of one side of the pentagon and r is the distance from the midpoint of the pentagon to one of its vertices.

We are given that s = 8.37 cm and r = 8.37 cm.

Plugging these values into the formula, we get:

Area = (5/2) * 8.37 * 8.37

Area = (5/2) * 70.0569

Area = 175.14225

Rounding to the nearest tenth, the area of the regular pentagon is approximately 175.1 square centimeters.

The total weight of 15 boxes is 45 pounds. How much would 40 boxes
weigh?

Answers

Answer:

120 pounds

Step-by-step explanation:

1. divide 45 by 15

45 / 15 = 3

2. Each box costs 3 pounds each

3. multiple 3 by 40.

4. 40 x 3 = 120

PLEASEEE ANSWER!!!!!!! Ali must choose a shirt, a pair of pants, and a cap for today's outfit. He has
2 shirts,
3 pairs of pants, and
2 caps to choose from. How many different outfits can he make?

Answers

Answer:

12

Step-by-step explanation:

He can take one of the 2 shirts, so he has 2 choices.

He can take any one of the 3 pair of pants, so he has 3 choices.

He can choose any one of the 2 caps he has, thus he has 2 choices.

To find the number of different outfits possible, we simply multiply the number of choices available for each.

2 * 3 * 2 = 12 different outfits

Answer:

he can only make 2 outfits and have 1 pair of pants and one cap left byebye tell me if i am rightor wrong plz

stay safe

Step-by-step explanation:

Which is the factorization of x3 + 8?
(x + 2)(x2 – 2x + 4)
(x – 2)(x2 + 2x + 4)
(x + 2)(x2 – 2x + 8)
(x – 2)(x2 + 2x + 8)

PLEASE HELP

Answers

Answer:

The factorization of [tex]x^{3}+8[/tex] is [tex](x+2)(x^{2} -2x+4)[/tex]

Step-by-step explanation:

The problem is a sum of cubes factorization, this type of factorization applies only in binomials of the form [tex](a^{3} +b^{3} )[/tex] which means numbers that have exact cubic root and the exponents of the letters a and b are multiples of three.

Sum of cubes equation

[tex](a^{3} +b^{3} )= (a+b)(a^{2} -ab+b^{2})[/tex]

So, let's factor [tex]x^{3}+8[/tex]

we have to bring the equation to the form [tex](a^{3} +b^{3} )[/tex]

[tex]x^{3}+8=x^{3}+2^{3}[/tex] con [tex]a=x[/tex] y [tex]b=2[/tex]

Solving using sum of cubes equation

[tex](x^{3} +2^{3} )= (x+2)(x^{2} -(x)(2)+2^{2})[/tex]

[tex](x^{3} +2^{3} )=(x+2)(x^{2} -2x+4)[/tex]

.

Answer:

a: (x+2)(x^2-2x+4)

Step-by-step explanation:

i just did on edgen 2020

The value of log a(30a)^3

Answers

Answer:

8.6

Step-by-step explanation:

The expression 9x represents the number of miles Allison hiked, and 4x + 5 represents the number of miles that Adrian hiked in x days. Write an expression to show how many more miles Allison hiked than Adrian.

Question 7 options:

5x – 5

–5x + 5

5x + 5

13x + 5

Answers

For this case we have that Allison traveled 9x miles, while Adrian traveled 4x + 5 miles. The variable "x" represents the number of days.

We want to know how many miles of Allison toured Adrian, for this we subtract:[tex]9x- (4x + 5) =[/tex]

We take into account that:[tex]- * + = -[/tex]

[tex]9x-4x-5 =\\5x-5[/tex]

ANswer:

[tex]5x-5[/tex]

Answer:

Expression to show how many more miles Allison hiked than Adrian is:

5x-5

Step-by-step explanation:

Number of miles Allison hiked = 9x

Number of miles that Adrian hiked = 4x+5

Miles Allison hiked more  than Adrian

= 9x-(4x+5)

=9x-4x-5

=5x-5

Hence, expression to show how many more miles Allison hiked than Adrian is:

5x-5

a segment has and endpoint at (-6, 8). The midpoint is at (-6, 2). What are the coordinates of the other endpoint?

Answers

Answer:

(-6,-4)

Step-by-step explanation:

The first endpoint of the line is (-6,8), we can call

x_1 = -6

and

y_1 = 8

Let the last endpoint have coordinates (x_2,y_2)

Also, the midpoint formula is:

(x_1+x_2)/2 , (y_1+y_2)/2

Now, plugging these values is the formula, we get:

(-6+x_2)/2 = -6

-6+x_2=-12

x_2=-12+6 = -6

x_2 = -6

Also

(8+y_2)/2=2

8+y_2=4

y_2=4-8=-4

y_2 = -4

The coordinates of the other endpoint is (-6,-4)

A $78.00 pair of shoes cost $84.63 after tax is added. What percentage of the cost is tax?

Answers

Answer:

The percent of the cost tax is:

                                8.5%

Step-by-step explanation:

Cost of shoe before tax= $ 78

Cost of shoe after tax= $ 84.63

This means that the cost of tax is:

Cost of shoe after tax-cost of shoe before tax

= $ 84.63-$ 78

= $ 6.63

Now, the percent of tax is calculated as:

[tex]Percent\ tax=\dfrac{Cost\ of\ tax}{Cost\ of\ shoe\ before\ tax}\times 100\\\\\\Percent\ tax=\dfrac{6.63}{78}\times 100\\\\\\Percent\ tax=8.5\%[/tex]

                     Hence, the percent tax is:

                              8.5%

The key idea of the transformation called a reflection is the rotating of a plane about a fixed point.​

Answers

Answer:

FALSE!

Step-by-step explanation:

a refelction is just that! a refelction of the image across the x or y axis.

A baker made a birthday cake in the shape of a rectangular pyramid she decorated the lateral faces of the cake with blue and purple icing how many faces of the pyramid fid she decorate

Answers

Answer:

She decorated 4 faces.

Explanation:

A rectangular pyramid has 5 faces in total. There are 4 lateral faces and a base. If the baker only decorated the lateral faces, then she decorated 4 faces.

Rectangular Pyramid:

Write an expression to represent . Eight less than the product of two and a number x

Answers

The answer is 2x-8 where “the product of two and a number” is the 2x and 8 less is to subtract 8 from the 2x so your answer is 2x-8
Final answer:

The phrase 'Eight less than the product of two and a number x' translates to the algebraic expression 2x - 8.

Explanation:

The student's question is about writing an algebraic expression to represent a phrase. In this case, 'Eight less than the product of two and a number x' can be translated into algebraic expression. The 'product of two and a number x' is simply, 2x. 'Eight less than' is subtracting 8 from something. Therefore, this phrase is written as 2x - 8 in algebraic expression.

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Which answers is it a b or c

Answers

Answer:

B

Step-by-step explanation:

Use the equation for the area of a parallelogram.

[tex]A=bh[/tex]

Now solve for [tex]h[/tex].

[tex]h=\frac{A}{b}[/tex]

Plug in.

[tex]h=\frac{450}{15}[/tex]

[tex]h=30[/tex]

Answer:

B, 30 inches

Step-by-step explanation:

the areao of a parallelogram's formula is A = bh

in the word problem, we are given A and b, so we plug that into the formula to solve for h

450 = 15h < divide both sides by 15 to get h alone

450/15 = 30

15h/15 = h

h = 30

the solution to the word problem is B, 30 inches

The cruising speed of a Boeing 747 is 250 m/s.At this rate what distance does it travel in one minute?

Answers

Answer:

15,000m or if you want it in km it is 15km

Step-by-step explanation:

1 minutes = 60 seconds

250 × 60 = 15,000 m

Answer:

15,000 m.

Step-by-step explanation:

There are 60 seconds in one minute.

Therefore the distance the plane travels in one minute = 250*60

=  15,000 m answer.

For the expression 6 − y + 3, determine the coefficient for the variable term. (2 points) −1 0 3 6

Answers

ok well the simplified equation would be -y+9 so the coefficient front the variable term would be -1 because there is an implied 1 in front of the variable but it is negative because of the negative sign.

Answer:

-1

Step-by-step explanation:

The only variable term in 6 − y + 3 is y, and the coeff. of y is -1 (first possible answer).

find the volume of the prism.
a) 1728 cu. in.
b) 864 cu. in.
c) 288 cu. in.

Answers

The volume of prism is 1728 cu. in.(Option a)

How to find volume of prism?

A prism is a geometric 3-D shape which is named by its shape of base, In a prism, base and its opposite face are same.

For example: Given here is a cubic prism and a shape with triangle as a base is a triangular prism.

Prism given here is also known as cube.

The volume of the cube is given by :

Side*Side*Side where side is the length of side of the base square.

Here side=12 inches

Volume of cube is given by the formula,

Volume=[tex]a*a*a[/tex]

Where a is edge of the cube.

We are given edge of cube as 12 inches

Plugging the value of edge in given formula:

Volume=[tex]12*12*12[/tex]

Volume = 1728 cubic inches.

Volume of cube is 1728 cubic inches.

Therefore, the volume of prism is 1728 cu. in

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6 years ago, the sum of jeremy, quan, karen, and randy’s age was 20. find their total age now.

Answers

Answer:

Step-by-step explanation:There's 4 people so you would multiply 6×4=24 and now add 20+24=48

30, because there are 4 people and their total age is 20 divide it by 4 you get 5 then you multipy by 6 to find their ages.

I need help with this.....

Answers

Answer:

27 years old

Step-by-step explanation:

let Sydney's age be x, then

Devaughn's age is 3x ( three times Sydney's )

The sum of their ages is 108, thus

x + 3x = 108

4x = 108 ( divide both sides by 4 )

x = 27

Sydney is 27 years old

Answer:

I think it would be 27

Circle A is tangent to circle B.
True
False

Answers

Answer:

false

Step-by-step explanation:

tangent always touch to the circle

so....

Answer:

False

I got it right!!

Step-by-step explanation:

2 and one half cakes are divided up into 18 pieces for guests how much cake will each person get

Answers

Well if you were to do 18 ÷ 2 it would be 8. But since this is 8 and a half let's use 2.5. So, let's do this.

18 ÷ 2.5 = 7.2.

But since cake can't be exactly that we can estimate to 7 since it is the closest so, the answer is 7 pieces of cake.

Express this equation in logarithmic form. y = 10^x

X=

Answers

For this case we must find the value of the variable "x" of the following equation:

[tex]y = 10^{x}[/tex]

We rewrite the equation as:

[tex]10 ^ {x} = y[/tex]

We take the logarithmic base 10 from both sides of the equation to remove the variable from the exponent.

[tex]log (10 ^ {x}) = log (y)\\x (log (10)) = log (y)[/tex]

The logarithmic base 10 of 10 is 1.

[tex]x * 1 = log (y)\\x = log (y)[/tex]

ANswer:

[tex]x = log (y)[/tex]

simplify expression 49 with an exponent of 1/2

Answers

Hello!

The answer is:

The simplified form of the given expression is 7.

[tex]49^{\frac{1}{2}}=\sqrt[2]{49^{1}}=\sqrt[2]{49}=7[/tex]

Why?

To simplify the given expression, we must remember the following property of roots:

[tex]a^{\frac{m}{n}}=\sqrt[n]{a^{m} }[/tex]

We are given the expression:

[tex]49^{\frac{1}{2}}[/tex]

Which can be also written as:

[tex]49^{\frac{1}{2}}=\sqrt[2]{49^{1}}=\sqrt[2]{49}[/tex]

Then, simplifying we have:

[tex]\sqrt[2]{49}=7[/tex]

Hence, the simplified form of the given expression is 7.

Have a nice day!

Answer: 7

Step-by-step explanation: To simplify [tex]49^{1/2}[/tex], it's important to understand that an exponent of 1/2 means that we take the square root of the base. In other words, [tex]49^{1/2}[/tex] means the same thing as the square root of 49 or [tex]\sqrt{49}[/tex] and the square root of 49 is 7.

This means that [tex]49^{1/2}[/tex] is 7.

A nature preserve has a population of fourteen black bears. They have been tagged #1 through #14, so they can be observed over time. Two of them are randomly selected and captured for evaluation. One is tested for worms and one is tested for ticks. What is the probability that bear #3 is tested for worms and bear #5 is tested for ticks?

Answers

Answer:

1/182 or 0.55%

Step-by-step explanation:

There are 2 ways to approach this problem (and both give the same answer!).

First method: probability for each test.

First test, worms: There's 1/14 chances for bear #3 to be selected, since there are 14 bears total.

Second test, ticks: There's 1/13 chances for bear #5 to be selected, since only 13 bears remain (#3 cannot be tested for both ticks and worms).

So, to obtain the total probability, we multiply 1/14 with 1/13 = 1/182

Second method: permutations

We can see the problem from a permutations perspective.  How many permutations can we have for 2 bears to be tested? It's a permutation since the order is important. (#3 ticks + #5 worms ≠ #3 worms + #5 ticks)

[tex]P(14,2) = \frac{14!}{(14 - 2)!} = 182[/tex]

There are 182 permutations possible, ONE of which is bear #3 is tested for worms and bear #5 is tested for ticks.

So, once again, 1/182.

identify the vertex, the axis of symmetry and the y intercept of the parabola below.
please.​

Answers

1,2 cause of the o and y axis

The vertex is where the parabola changes directions, or in simpler terms, at the parabolas lowest point. Unless the parabola is upside down, then the vertex is where the highest point is.

The acid of symmetry is the line where the parabola can be divided evenly. This is almost always where the vertex is, except it continues on.

The y-intercept is where the parabola intersects with the y-axis.

I’ve answered the question below in the picture (my graph is not to scale but the answers are correct for yours)

Hope this helped and good luck!!

5a+9b-4. What is
the coefficient

Answers

The coefficient of 'a' is 5.

The coefficient of 'b' is 9.

The coefficient of the constant term '-4' is -4 (or you can think of it as -4 times '1').

The coefficient in the expression 5a + 9b - 4 is the number that multiplies or is associated with a variable. In this expression:

The coefficient of '5a' is 5.

The coefficient of '9b' is 9.

The constant term '-4' does not have a variable and can be considered as a coefficient of '1' for the constant.

So, in summary:

The coefficient of 'a' is 5.

The coefficient of 'b' is 9.

The coefficient of the constant term '-4' is -4 (or you can think of it as -4 times '1').

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Final answer:

In the expression 5a+9b-4, 5 and 9 are the coefficients, representing the magnitude and direction of the variables 'a' and 'b'. The '-4' is a constant.

Explanation:

In the algebraic expression 5a+9b-4, the coefficients are the numbers in front of the variables. So in this case, 5 is the coefficient of a and 9 is the coefficient of b. A coefficient provides information about the magnitude and direction of a certain variable. In the absence of a variable, such as with the -4 in this expression, we don't refer to it as a coefficient, but rather as a constant.

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A company designs a logo using a kite figure around the letter t. The logo is 12 centimeters wide and 16 centimeters tall. What is the area of the logo? 48 sq. cm 96 sq. cm 144 sq. cm 192 sq. cm

Answers

Answer:

96   sq.cm.

Step-by-step explanation:

area =16*12/2

are= 192/2 = 96

The area of the logo = area of kite = 96 sq. cm

What is the Area of a Kite?

Area of a kite = 1/2(product of its diagonals).

Thus:

The logo in form of Kite has the following diagonals measuring 12 cm and 16 cm.

Therefore:

Area of a kite = 1/2(12)(16)

Area of a kite = 1/2(192)

Area of a kite = 96 sq. cm

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what are absolute values of 12​

Answers

Answer:

|12| = 12

Step-by-step explanation:

Definition of absolute value:

|a| = a if a ≥ 0

|a| = -a if a < 0

Examples:

|2| = 2

|-2| = -(-2) = 2

|0.45| = 0.45

|-0.45| = -(-0.45) = 0.45

|1000| = 1000

|-1000| = 1000

Therefore

|12| = 12

The PTA is holding a raffle. The prize is a camera worth $200. Each raffle ticket costs $5. One hundred tickets are sold and a winner is drawn at random. Find the expected value of the purchase of a ticket.

Answers

Answer: -$3.00

Step-by-step explanation:(1/100)(200-5)-(99/100)5= -$3.00/ticket

I really hope this helps. So sorry if it doesn't

Answer:

Expected value of the purchase of a ticket would be $3.00.

Step-by-step explanation:

The PTA is holding a raffle. Each raffle ticket costs $5.00.

The prize is a camera worth $200.

One hundred tickets are sold = 100 × 5 = $500.00

winner is drawn and given the prize of worth $200.

$500 - $200 = $300

So the expected value of the purchased ticket = [tex]\frac{300}{100}[/tex] = $3.00

Expected value of the purchase of a ticket would be $3.00.

Find ac. round the answer to the nearest tenth.
a. 0.8
b. 1.5
c. 1.7
d. 2.1

Answers

Answer:

b. 1.5 hope it helps

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Annie grunted in dismay, as the young man hadn't even stopped to apologize. Then she called after him, "What's your big hurry?" "It's the Titanic, miss," the young man answered excitedly. "She's smashed into a berg and is going down fast. We're headed there now at top speed to rescue all the passengers we can." Annie gasped at the news, gripping the door handle for support. Then she went inside the cabin and sat heavily on her bed to gather her thoughts. But everyone said that ship was unsinkable, she thought to herself as a chill ran through her. She imagined those poor souls on the Titanic, especially the young people, and her heart thumped wildly. There must be some way I can help them, she thought, getting up now and pacing the small room. Suddenly, she raced over to the little closet and threw open the door. There, in a neat row, were her sweaters and shawls, warm enough to get her through a New York winter. She began yanking them off their hangers and piling them on the bed. 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Select all that apply.1) Height over time that a football is thrown across the field.2) The cost to attend Universal Studios increases by 1% each year.3) An endangered species population is decreasing by 12% each year.4) The distance a bicyclist travels when cycling a constant speed of 25 mph.5) The population of a town that is growing by 5% each year. Which of the following is true of kinesin?a.Kinesin is an intermediate filament protein.b.Kinesin moves vesicles toward the minus end of microtubules.c.Kinesin hydrolyzes ATP.d.Kinesin moves vesicles toward the plus end of actin filaments. Instantaneous speed is measuredA. At the starting pointB. When the object reaches its destinationC. At a particular instantD. Over the duration of the trip As the main speaker in a student debate, write your contribution for or against the motion "that scientific advancement is a curse to mankind. The capital and financial account is the record of _____ minus us investment abroad.