In a certain sequence, each term, starting with the 3rd term, is found by multiplying the previous two terms. what is the difference between the 6th and 3rd terms in the sequence? (1) the 1st term is equal to 8 times the 2nd term. (2) the 4th term is equal to 1.

Answers

Answer 1
From F.S 1, consider this series : 8, 1, 8, 8, 64, 64*8. 

Again, consider the series 2, 1/4, 1/2, 1/8, 1/16, 1/(8*16). Clearly, the difference of the 6th and the 3rd term is different for them. Insufficient.

From F.S 2, let the series be a,b,ab,ab2,a2b3,a3b5a,b,ab,ab2,a2b3,a3b5. Now we know that ab2=1ab2=1. The required difference =a3b5−ab=ab(a2b4−1)=ab[(ab2)2−1]a3b5−ab=ab(a2b4−1)=ab[(ab2)2−1]= 0.Sufficient.

Related Questions

Fabian has a savings account balance of $1,374.73. The interest rate on the account is %3.9 compounded twice a year. If he opened the account nine years ago, what was the value of his deposit?

Answers

The effective interest given that the account is compounded semi-annually is calculated through the equation,

     ieff = (1 + i/n)^m - 1

Substituting the known values,
    ieff = (1 + 0.039/2)^2 - 1
    ieff = 0.0394

The value of the initial investment can be calculated through the equation,
     F = P x (1 + ieff)^n

     P = F / (1 + ieff)^n

Substituting the known values,
    P = ($1374.73) / (1 + 0.0394)^9

    P = $971.06

ANSWER: $971.06



What equation is graphed in this figure?

A.y-4=-1/3(x+2)
B.y-3=1/3(x+1)
C.y+2=-3(x-1)
D.y-5=3(x-1)

Answers

Hello there!

The correct answer is option C

--------------------------------------

Graph using the slope and y- intercept

Slope: -3
Y-intercept: 1

Good luck with your studies!

MATH HELP PLEASE !!!!!!!!!

Answers

3.14 *2r = 157

divide both sides by 3.14

2r = 157/3.14 =50

2r=50

divide both sides by 2

r = 50/2 =25

r = 25

Sally has 42 coins, all dimes and nickels, that have a total value of $3.00. How many nickels does she have?

Answers

Final answer:

Sally has 24 nickels.

Explanation:

To determine the number of nickels Sally has, we can set up a system of equations using the given information. Let's assume Sally has x nickels and (42 - x) dimes. The value of the nickels is 5x cents, and the value of the dimes is 10(42 - x) cents. We can set up the equation: 5x + 10(42 - x) = 300 (since the total value is $3.00).

Simplifying the equation, we get: 5x + 420 - 10x = 300. Combining like terms, we have: -5x + 420 = 300. Subtracting 420 from both sides gives us: -5x = -120. Dividing both sides by -5, we find x = 24.

Therefore, Sally has 24 nickels.

evaluate g(x)=3x+1 over the domain of g, {0,1,2,3}. What is the range of g?

Answers

You can do a table like this:

x        g(x) = 3x + 1

0        3(0) + 1 = 0 + 1 = 1

1        3(1) + 1 = 3 + 1 = 4

2        3(2) + 1 = 6 + 1 = 7

3        3(3) + 1 = 9 + 1 = 10

Then, the range is {1, 4, 7, 10}

Remember, the domain is the set of x values for which the function is defined, and the range is the set of images.

Answer: {1, 4, 7, 10}

is that ok?? i just want to make sure, thanks

Answers

it is not unless there is a rotation as well but if not the correct answer is j(-3,-5) i(2,-1) k(2,-4)


In 4 years, Harry’s age will be the same as Jim’s age is now. In 2 years, Jim will be twice as old as Harry will be. Find their ages now.

Answers

Jim is 6 / Harry is 2 

In 4 years Harry will be 6 
In 2 years Jim will be 8 and Harry will be 4 which is twice as much Harry's age.


hope this helps!

Answer:  The present age of Harry is 2 years and that of Jim is 6 years.

Step-by-step explanation:  Given that in 4 years, Harry’s age will be the same as Jim’s age is now. In 2 years, Jim will be twice as old as Harry will be.

We are to find the present ages of Harry and Jim.

Let x and y represents the present ages of Harry and Jim respectively.

Then, according to the given information, we have

[tex]x+4=y~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(i)\\\\y+2=2(x+2)~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~(ii)[/tex]

Substituting the value of y from equation (i) in equation (ii), we get

[tex]y+2=2x+4\\\\\Rightarrow x+4+2=2x+4\\\\\Rightarrow 2x-x=2\\\\\Rightarrow x=2.[/tex]

From equation (i), we get

[tex]y=x+4=2+4=6.[/tex]

Thus, the present age of Harry is 2 years and that of Jim is 6 years.


State the missing reasons in this flow proof.

Given: angle 5 = 40, angle 2 = 140.
Prove: a is parallel to b.

Statements:
angle 5 = 40 a. ____________.
angle 2 = 140 b. _____________.
angle 5 and angle 2 are supplementary angles c.________.
Angle 5 and angle 2 are same-side interior angles d._________.
a is a parallel to b e._______

Answers

Final answer:

The provided statements are either given information, interpretations from the given diagram or applying rules of geometry such as the definitions of supplementary angles and the Same-Side Interior Angles Theorem.

Explanation:

The missing reasons in this geometric proof are as follows:

a. Given: The fact that angle 5 = 40 is simply provided, it's the given information in the question.

b. Given: Similarly, the measurement of angle 2 being 140 is given information.

c. Definition of supplementary angles: Angle 5 and angle 2 are supplementary because the sum of their measure equals 180 (40+140).

d. Interpretation of the diagram: Without a diagram, it's difficult to be precise, but if angle 5 and angle 2 are indicated as same-side interior angles, then this inference comes from interpreting the diagram.

e. Same-Side Interior Angles Theorem: Lastly, if the same-side interior angles are supplementary, then the lines are parallel. This is a rule encapsulated by the same-side interior angles theorem.

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Find the measure of an angle whose measure is 60 degrees more than the measure of its complement

Answers

Two complementary angles add up to 90 degrees. Hence, the problem can be set up and solved. Let x represents one angle and 5x represent the angle that is 5 times greater:x + 5x = 90 (simplify)6x = 90 (next divide both sides by 6 to find the value of x [the smaller angle])x = 15 (this is the smaller angle, next subtract 15 from 90 to find the greater angle)90 - 15 = 75 (this is the greater angle which is 5 times that of its complement) 90 take away 73...

Answer:

75⁰

Step-by-step explanation:

Angle = x

Complement = 90 - x

Given:

x = 90 - x + 60

2x = 150

x = 75⁰

Identify the expression that is equivalent by distributive property of5(2x+3)A 10x +3B 10x + 5C 10x +15

Answers

your answer is c 10x + 15

5 time 2x is 10x plus 5 times 3 is 15 because you multiply the 5 with everything inside the parentheses. so your equarions should look like 10x + 15
5(2x + 3)

10x + 15

Choice C

answer math question, 50 pts for brainliest

Answers

slope = (71.75 - 41)/(7 - 4) = 30.75 /3 = 10.25

answer is B.
the slope is 10.25. This means that Dante earns $10.25 each hour

71.75-41 = 30.75

7-4=3

30.75 / 3 =10.25

 slope is 10.25

 Answer is B

What is the relationship between the sine and cosine of complementary angles in a right triangle? Please give an example to support your answer.

Answers

Consider the right triangle ABC with sides a, b, and c as shown in the figure. 

Let [tex]m(\angle A)=\alpha[/tex], and [tex]m(\angle B)=\beta[/tex].


[tex]\alpha +\beta=90^{\circ}[/tex], so angles A and B are complementary.


According to the definition of sine, and cosine:

[tex]\displaystyle{ \sin \alpha= \frac{opposite\ side}{hypotenuse} =\frac{a}{c} [/tex], and

[tex]\displaystyle{ \cos \beta= \frac{adjacent\ side}{hypotenuse} =\frac{a}{c} [/tex]


Answer: they are equal.




Final answer:

The sine and cosine of complementary angles in a right triangle are equal to each other but reversed, because the opposite side for one angle is the adjacent side for the other, relative to the hypotenuse.

Explanation:

The relationship between the sine and cosine of complementary angles in a right triangle is that they are equal to each other but reversed. If one angle is x and its complementary angle is 90° - x (because complementary angles add up to 90°), then the sine of x is equal to the cosine of its complementary angle, and vice versa.

This is because, in a right triangle, the side that is the opposite side for one angle becomes the adjacent side for the complementary angle, relative to the hypotenuse which remains the same for both angles.

For example, in a right triangle with one acute angle of 30°, its complementary angle is 60°. The sine of 30° is 1/2, and the cosine of 60° is also 1/2. Similarly, the cosine of 30° is [tex]\sqrt{3/2[/tex],  and the sine of 60° is [tex]\sqrt{3/2[/tex]  shows a complementary relationship.

Evan washes two types of vehicles. It takes him 30 minutes to wash a car and 40 minutes to wash a truck. He charges $12 to wash a car and $15 to wash a truck. In 270 minutes, Evan made $105 washing cars and trucks. How many trucks did Evan wash? 2 trucks 3 trucks 4 trucks 5 trucks

Answers

The correct answer is 3 trucks.
The answer is 3 trucks

Using synthetic division, what is the quotient (2x3 − 2x − 12) ÷ (x − 2)? 2x2 + 4x + 6 2x2 − 4x + 6 2x2 + 4x − 6 2x2 + 4x − 6 + 1 over the quantity of x minus 2

Answers

The answer to your question would be 2x^2+4x+6

Answer:

[tex]\text{The quotient is }2x^2+4x+6[/tex]

Step-by-step explanation:

Given the dividend and divisor we have to find the remainder using synthetic division.

The given polynomial [tex]2x^3-2x-12[/tex] is divided by (x-2).

Step 1: Set up the synthetic division.

The dividend goes on the inside of the box.

Step 2:  Bring down the leading coefficient to the bottom row.

Step 3:  Multiply c i.e 2 by the value just written on the bottom row.

Step 4:  Add the column created in step 3 and  write the sum in the bottom row.

Repeat steps 1-4 until the last column.

From the last row the remainder becomes

[tex]2x^2+4x+6[/tex]

Hence, option A is correct.

 

The leg of a right triangle is 3 units and the hypotenuse is 7 units. What is the length, in units, of the other leg of the triangle?

4
Square root of 40
Square root of 58
10

Answers

7^2 = 3^2 +x^2

49 = 9 +x^2

x^2 = 49-9 =40

x = square root of 40

Answer:

the square root of 40 is the answer your looking for

Step-by-step explanation:

Solve each system by graphing or using a table

Answers

attached is the graph and table

You eat 3/10 of a pack of hotdogs, your friend eats 1/5 of the pack of hotdogs. what fraction of the hotdogs did you and your friend eat?

Answers

you and your friend ate 1/2 a pack of hotdogs

3/10 + 1/5

(1/5 = 2/10)

3/10+2/10 =5/10 = 1/2

Given the function f(x)=x2+2x+1, find: f(2b)

Given the function f(x)=x2+2x+1, find: f( 2a−3/5 )

Answers


I will do the first one only. The second question is done the same way.

Replace every x you see in the function with 2b and do the math.

f(x) = x^2 + 2x + 1

Let x = 2b

f(2b) = (2b)^2 + 2(2b) + 1

f(2b) = 4b^2 + 4b + 1

Did you follow? That's all there is to it.





write an equation of the line that passes through the given point(-2,5) and is parallel to the given line 2y=4x-6

Answers

y=2x+b

substitute -2 for x and 5 for y
5=2(-2)+b4

Solve for b
b=9

The equation is 
y=2x+9

How do you find the quadratic equation of a parabola with the vertex and x intercept?

Answers

This is the notes to finding the parabola

Find the value of y in the equation

Answers

We want to find y from the equation
[tex] \frac{3}{y-2} =8[/tex]

Multiply each side by (y - 2).
[tex](y-2).( \frac{3}{y-2)}) = 8(y-2) [/tex]
Note that (y-2) in the numerator and denominator cancel out on the left side.
Therefore
3 = 8(y - 2)
3 = 8y - 16
Add 16  to each side.
3 + 16 = 8y - 16 + 16
19 = 8y
Divideach side by 8.
19/8 = y

Answer: [tex]y= \frac{19}{8} [/tex]

If your car travels 290 miles and uses 8.2 gallons, how many miles per gallon did you get? (round your answer to three decimal places.)

Answers

you divide them and get 35.36

Plz can I help me with math

Answers

It will equal £21 for the rifles
£7 divided by 2=1 trifle so 1 trifle=1.50

6x1.50=£9

6trifles=£9

brainliest plz

SOS!!!!!!!!!!!!!!!!!!!!!!

Answers

Your answer is option 3. Dashed lines because the inequality on either line is NOT an "or equal to" statement. 

25 POINTS PLS HURRY!!!
How does the graph of g(x)=0.25⌊x⌋ differ from the graph of f(x)=⌊x⌋?



Multiplying by 0.25 shifts the graph of ​ g(x)=0.25⌊x⌋ ​ ​up 0.25 unit.

Multiplying by 0.25 shifts the graph of ​ g(x)=0.25⌊x⌋ ​ right 0.25 unit.

Multiplying by 0.25 shifts the graph of ​ g(x)=0.25⌊x⌋ ​down 0.25 unit.

Multiplying by 0.25 compresses the graph of ​ ​ g(x)=0.25⌊x⌋ ​ vertically by a factor of 0.25.

Answers

Multiplying by 0.25 shifts the graph of ​ g(x)=0.25⌊x⌋ ​ ​up 0.25 unit.

Answer:

The answer is d

Step-by-step explanation:


The sum of a number and its reciprocal is 13/6. find the number

Answers

suppose the number is x, its reciprocal is 1/x
x+1/x=13/6
(x^2+1)/x=13/6
6(x^2+1)=13x
6x^2-13x+6=0
(3x-2)(2x-3)=0
x=2/3 or x=3/2

PLS HELP!!!
A copy center offers its customers two different pricing plans for black and white photocopies of 8.5 in. by 11 in. pages. Customers can either pay $0.08 per page or pay $7.50 for a discount card that lowers the cost to $0.05 per page. Write and solve an equation to find the number of photocopies for which the cost of each plan is the same.


.08c = .05c + 7.50; c = 250

.05c = .08c + 7.50; c = 22.5

.08c = .05c – 7.50; c = 250

7.50 = .08c + .05c; c = 58

Answers

.08c = .05c + 7.50; c = 250

Answer:

.08c=.05c-7.50; c=250

Step-by-step explanation:


The perimeter of a rectangle is 36 inches, and the area is 65 square inches. find the length and width of the rectangle.

Answers

With a perimeter of 36, and a known width of 5, that means the length is 13.  This makes the area 65.

Perimeter = (2 x Length) + (2 x Width)Width = [Perimeter - (2 x Length)]/2= [36 -(2 x 13)]/2= (36 - 26)/2= 10/2= 5 inches
Area = Length x Width= 13 x 5 = 65 square inches

What is the midpoint m given p(-1, 2) and q(-2, -4)?

Answers

Midpoint = x1+x2/2 , y1+y2,2
= -1 + -2/2 , 2 + (-4)/2 
= -3/2,-1 
= -1.5, -1 

Terms and coefficients of 7p - 3r + 6 - 5s

Answers

Final answer:

The terms and coefficients of the expression 7p - 3r + 6 - 5s are 7p, -3r, 6, and -5s, with coefficients of 7, -3, no coefficient, and -5 respectively.

Explanation:

The terms and coefficients of the expression 7p - 3r + 6 - 5s are:

The term 7p has a coefficient of 7.The term -3r has a coefficient of -3.The term 6 is a constant and does not have a coefficient.The term -5s has a coefficient of -5.

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