Use the given terms to generate a recursive rule. Sequence:13,15,23,55,183

Answers

Answer 1

To generate a recursive rule for the sequence 13, 15, 23, 55, 183, we need to identify the pattern in the sequence.

Looking at the differences between each term, we can see that:

15 - 13 = 2

23 - 15 = 8

55 - 23 = 32

183 - 55 = 128

So the differences are increasing by a factor of 4 each time.

Using this pattern, we can create a recursive rule:

a(1) = 13

a(n) = a(n-1) + 4^(n-2)

So for example,

a(2) = a(1) + 4^(2-2) = 13 + 1 = 14

a(3) = a(2) + 4^(3-2) = 14 + 4 = 18

a(4) = a(3) + 4^(4-2) = 18 + 16 = 34

a(5) = a(4) + 4^(5-2) = 34 + 64 = 98

a(6) = a(5) + 4^(6-2) = 98 + 256 = 354

And so on.

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Related Questions

16. [0/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALCBR10 6.6.050. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Turbo-Charged Engine Versus Standard Engine In tests conducted by Auto Test Magazine on two identical models of the Phoenix Elite-one equipped with a standard engine and the other with a turbo-charger-it was found that the acceleration of the former is given by a = f(t) = 5 + 0.8t (Osts 12) ft/sec/sec, t sec after starting from rest at full throttle, whereas the acceleration of the latter is given by a = g(t) = 5 + 1.2t + 0.03t2 (0 sts 12) = ft/sec/sec. How much faster is the turbo-charged model moving than the model with the standard engine at the end of a 11-sec test run at full throttle? 41.25 X ft/sec Need Help? Read It Submit Answer

Answers

The turbocharged model is moving 41.25 ft/sec faster than the model with the standard engine at the end of the 11-second test run.

We need to find how much faster the turbo-charged model is moving than the model with the standard engine at the end of an 11-second test run at full throttle.

To find the final velocity of each model at the end of 11 seconds, we need to integrate their respective acceleration functions with respect to time from 0 to 11 seconds:

For the standard engine model:

v(t) = ∫(5 + 0.8t) dt = 5t + [tex]0.4t^2[/tex]

v(11) = 5(11) +[tex]0.4(11)^2[/tex] = 72.4 ft/sec

For the turbo-charged model:

v(t) = ∫(5 + 1.2t + 0.03[tex]t^2[/tex]) dt = 5t +[tex]0.6t^2 + 0.01t^3[/tex]

v(11) = 5(11) + [tex]0.6(11)^2 + 0.01(11)^3[/tex]= 113.65 ft/sec

The difference in final velocity between the two models is:

[tex]v_{turbo} - v_{standard[/tex] = 113.65 - 72.4 = 41.25 ft/sec

Therefore, the turbo-charged model is moving 41.25 ft/sec faster than the model with the standard engine at the end of the 11-second test run.

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​ −7y−4x=1 7y−2x=53 ​ � = x=x, equals � = y=y, equals

Answers

The value of the variables are;

x = 52

y = 30

How to simply the expression

from the information given, we have simultaneous equations ;

−7y−4x=1

7y−2x=53

Make 'y' the subject from equation 1 , we have;

y = 1 + 4x/-7

Substitute the value into equation 2, we get;

7(1 + 4x/-7) - 2x = 53

expand the bracket

7 + 28x/-7 - 2x= 53

7 + 28x + 14x = 53(-7)

then, we have;

7 + 42x =,-371

collect the like terms

42x = 364

x = 52

Substitute the value

y =  1 + 4x/-7

y = 1+ 4(52)/-7

y = 30

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Which represent correct variations of the formula for speed? Check all that apply.


An athlete training for a marathon plans on running


6


miles per day during the first phase of training. If


d


represents the number of days, and


m


represents the total number of miles the athlete runs, which equation correctly represents the relationship?

Answers

The correct variations of the formula for speed are:

m = 6d

d = m/6

6d = m

The formula for speed is distance divided by time. However, in this scenario, we are given the distance and need to find the time.

The athlete plans on running 6 miles per day during the first phase of training, so the total number of miles the athlete runs, represented by m, is equal to 6 times the number of days, represented by d.

Therefore, the correct equation that represents the relationship is:

m = 6d

This equation shows that the total number of miles, m, is directly proportional to the number of days, d, that the athlete runs.

Other variations of this formula can be obtained by manipulating the equation to find either d or m. For example, if we want to find the number of days, we can divide both sides of the equation by 6:

d = m/6

This equation shows that the number of days is equal to the total number of miles divided by 6.

Alternatively, if we want to find the total number of miles, we can multiply both sides of the equation by 6:

6d = m

This equation shows that the total number of miles is equal to 6 times the number of days.

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The chamber of commerce for a beach town asked a random sample of city dwellers, "Would you like to live at the beach?" Based on this survey, the 95% confidence interval for the population proportion of city dwellers who would like to live at the beach is (0. 56, 0. 62)

Answers

The 95% confidence interval is (0.56, 0.62). This means that we can be 95% confident that the true proportion of city dwellers who would like to live at the beach lies between 56% and 62%.

In this case, the Chamber of Commerce conducted a survey asking city dwellers if they would like to live at the beach. The 95% confidence interval for the population proportion of city dwellers who would like to live at the beach is (0.56, 0.62).

To break this down:
1. Random sample: The Chamber of Commerce surveyed a group of city dwellers chosen randomly, which helps ensure that the results are representative of the entire population of city dwellers.
2. Population proportion: This refers to the percentage of all city dwellers who would like to live at the beach.
3. 95% confidence interval: This means that if the survey were repeated many times with different random samples, 95% of the intervals calculated would contain the true population proportion.

In this case, the 95% confidence interval is (0.56, 0.62). This means that we can be 95% confident that the true proportion of city dwellers who would like to live at the beach lies between 56% and 62%.

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Use the diagram to match the terms with the correct example.

Answers

1. C is the center

2. EF is a secant line

3. AD is the diameter

4. CD is the radius

5. FD is the arc

6. The region bounded by AC, BC and arc AB is a segment

7. The region bounded by FE and arc FE is a sector

8. EF is the chord

9. GF is the tangent line

How to match the statement

To match the statements, we need to know the following;

The diameter of a circle, is a line cutting through the center and bisects it into equal halveschord of a circle is a line segment that joins any two points on the circumference of the circleSegment of a circle is a region that is bounded by a chordA secant line is a straight line that intersects a circle in two points

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What are the coordinates of the point 1/4 of the way from A to B? Two intersecting line segments graphed on a coordinate plane. Segment A B has vertices at A negative 4 comma negative 2 and B 4 comma 4. Segment C D has vertices at C negative 3 comma 3 and D 3 comma negative 3.

Answers

The coordinates of the point 1 / 4 of the way from A to B is (-2, -0.5).

How to find the coordinates ?

To find the coordinates of the point that is 1/4 of the way from point A to point B, we can use the following formula:

Point P = (1 - t) x A + t x B

Given the coordinates of points A (-4, -2) and B (4, 4):

P x = (1 - 1/4) x Ax + (1/4) x Bx

P x = (3/4) x (-4) + (1/4) x 4

P x = -3 + 1

P x = -2

P y = (1 - 1/4) x Ay + (1/4) x By

P y = (3/4) x (-2) + (1/4) x 4

P y = -1.5 + 1

P y = -0.5

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the area of a rectangle is 65 sqare meters. the lenght of the rectrangle is 3 m less thans twice the width. find the dimensions of the rectangle

Answers

The dimensions are;

Length = 7 meters

Width = 5 meters

How to determine the value

The area of a rectangle is expressed as;

Area = length × width

From the information given, we have that;

Length = 2w - 3

Area = 65

Substitute the values

65 = (2w - 3)w

expand the bracket

65 = 2w² - 3w

solve the quadratic equation;

2w² + 13w - 10w - 65

Factorize the terms

w(2w + 13) - 5(2w + 13)

w = 5

Substitute the value

Length = 2w - 3 = 2(5) - 3 = 7

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[1 point) The following table gives values of the differentiable function y = f(x). 012345678910 123-4.21-1-2135 Estimate the x-values of critical points of (x) on the interval 0 < x < 10. Classity each critical point as a local maximum, local minimum, or neither Enter your critical points as comma-separated xvalue, classification pairs. For example, if you found the critical points x = -2 and x = 3, and that the first was a local minimum and the second nother a minimum nor a maximum, you should enter (-2,min), (3,neither). Enter none if they are no critica/ points) critical points and classifications Now assume that the table gives values of the continuous function y = f'(x) (instead of F(x)). Estimate and classify critical points of the function f(x) critical points and classifications:

Answers

The critical points of f(x) on the interval 0 < x < 10 are: (2, max), (7.5, min)

To estimate the critical points of f(x) on the interval 0 < x < 10, we need to look for points where the derivative, f'(x), equals zero or is undefined. However, we are given a table of values for f(x) instead of f'(x), so we need to first estimate f'(x) using these values.

One way to do this is to use finite differences. We can calculate the first finite difference for each pair of adjacent values in the table, which gives an estimate of the derivative at the midpoint of the interval:

f'(x) ≈ (f(x+1) - f(x)) / (1)

Using this formula, we can calculate the following table of values for f'(x): 0123456789 23-2.79-8-5

Now we can look for critical points of f(x) by finding where f'(x) equals zero or is undefined: - f'(x) = 0 when x = 2 or x = 7.5 (approximately) - f'(x) is undefined at x = 0 and x = 10 (endpoints of the interval)

To classify each critical point, we need to look at the sign of the derivative near the point. If f'(x) changes sign from positive to negative at a critical point, then it is a local maximum. If it changes from negative to positive, then it is a local minimum. If it does not change sign, then it is neither a maximum nor a minimum.

Using the values in the table for f'(x), we can see that: -

Near x = 2, f'(x) changes sign from positive to negative, so it is a local maximum. - Near x = 7.5, f'(x) changes sign from negative to positive, so it is a local minimum. - At the endpoints x = 0 and x = 10, f'(x) is undefined, so there are no critical points.

Therefore, the critical points of f(x) on the interval 0 < x < 10 are: (2, max), (7.5, min)

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How many centimeters are in 9 inches?

Answers

Answer:

22.86 centimeters

Step-by-step explanation:

How many centimeters are in 9 inches?

1 inch = 2.54 centimeters

9 inches = 2.54 x 9 = 22.86 centimeters

So, there are 22.86 centimeters in 9 inches.

Answer:

22.86 centimeters

Step-by-step explanation:

To convert inches to centimeters, multiply the inches by 2.54:

9·2.54=22.86

So, there are 22.86 centimeters in 9 inches.

Hope this helps :)

Selim is ordering concrete spheres to place as barriers in the city park. The spheres cost $2 per square foot, and Selim can spend $20 per sphere. What is the maximum diameter of the spheres he can purchase?



A.


3. 56 ft


B.


1. 59 ft


C.


1. 78 ft


D.


0. 89 ft

Answers

The maximum diameter of the spheres Selim can purchase is approximately 1.78 feet, The correct answer is option (C).

To find the maximum diameter of the concrete spheres Selim can purchase, we need to consider the cost and surface area of the spheres. Given that the spheres cost $2 per square foot and Selim can spend $20 per sphere, we can start by finding the maximum surface area he can afford for each sphere.
1. Calculate the maximum surface area:
$20 ÷ $2 per square foot = 10 square feet
Now that we know the maximum surface area is 10 square feet, we can use the formula for the surface area of a sphere to find the maximum diameter.
2. Use the sphere surface area formula:
Surface area = 4πr², where r is the radius of the sphere.


Since the maximum surface area is 10 square feet, we can plug this value into the formula and solve for the radius.
10 = 4πr²
3. Divide both sides by 4π:
10 ÷ 4π = 0.796
4. Take the square root to find the radius:
r = 0.893 ft
5. Finally, multiply the radius by 2 to get the diameter:
D = 2 * 0.893 = 1.786 ft
Therefore, the maximum diameter of the spheres Selim can purchase is approximately 1.78 feet, which corresponds to option C.

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Please help me :/



You can make a 6-digit security number using the digits 1-9 and digits cannot be repeated. Show all work and formulas used in computing your answers.



a) How many numbers can you make if there are no additional restrictions?



b) How many numbers can you make if the first digit cannot be a one?



c) How many odd numbers can you make (the last digit is odd?)



d) How many numbers greater than 300,000 can you make?



e) How many numbers greater than 750,000 can you make?

Answers

Sure, I'd be happy to help you with these questions!

a) To calculate the total number of possible 6-digit security numbers, we can use the permutation formula:

nPr = n! / (n-r)!

where n is the total number of digits available (9) and r is the number of digits we are selecting (6).

So, the number of possible 6-digit security numbers without any restrictions is:

9P6 = 9! / (9-6)! = 9! / 3! = 9 x 8 x 7 x 6 x 5 x 4 = 60,480

Therefore, there are 60,480 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits.

b) If the first digit cannot be a one, we are left with 8 choices for the first digit (since we cannot use 1) and 8 choices for the second digit (since we have already used one digit). For the remaining 4 digits, we still have 7 choices for each digit, since we cannot repeat any digits.

Using the permutation formula again, the number of possible 6-digit security numbers with the first digit not being one is:

8 x 8 x 7 x 7 x 7 x 7 = 1,322,496

Therefore, there are 1,322,496 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the first digit is not one.

c) To create an odd number, the last digit must be an odd number, which means we have 5 choices for the last digit (1, 3, 5, 7, or 9). For the first digit, we cannot use 0 or 1, so we have 7 choices. For the remaining 4 digits, we still have 8 choices for each digit (since we can use any digit).

Using the permutation formula again, the number of possible 6-digit security numbers with the last digit being odd is:

7 x 8 x 8 x 8 x 8 x 5 = 7,1680

Therefore, there are 7,1680 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the last digit is odd.

d) To create a number greater than 300,000, the first digit must be 3, 4, 5, 6, 7, 8, or 9. If the first digit is 3, we have 7 choices for the first digit (3, 4, 5, 6, 7, 8, or 9). For the remaining 5 digits, we still have 8 choices for each digit.

If the first digit is not 3, we have 6 choices for the first digit (since we cannot use 1 or 2). For the remaining 5 digits, we still have 8 choices for each digit.

Using the permutation formula again, the number of possible 6-digit security numbers greater than 300,000 is:

7 x 8 x 8 x 8 x 8 x 8 + 6 x 8 x 8 x 8 x 8 x 8 = 2,526,720

Therefore, there are 2,526,720 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the number is greater than 300,000.

e) To create a number greater than 750,000, the first digit must be 8 or 9. If the first digit is 8, we have 2 choices for the first digit (8 or 9). For the remaining 5 digits, we still have 8 choices for each digit.

If the first digit is 9, we only have one choice for the first digit (9). For the remaining 5 digits, we still have 8 choices for each digit.

Using the permutation formula again, the number of possible 6-digit security numbers greater than 750,000 is:

2 x 8 x 8 x 8 x 8 x 8 + 1 x 8 x 8 x 8 x 8 x 8 = 262,144

Therefore, there are 262,144 possible 6-digit security numbers that can be made with the digits 1-9 without repeating any digits, where the number is greater than 750,000.

elijah and riley are playing a board game elijah choses the dragon for his game piece and rily choses the cat for hers.the dragon is about 1/2 inch tall and the cat is about 7/8 inch tall the model shows how the heights of the game peice are realated.

Answers

The cat is 3/8 inches taller than the dragon.

How to solve

To find the difference in height between the cat and the dragon, we need to subtract the height of the dragon from the height of the cat.

The cat is 7/8 inch tall, and the dragon is 1/2 inch tall.

To subtract fractions, we first need a common denominator. The least common denominator (LCD) of 2 and 8 is 8.

So, we'll convert the fractions to equivalent fractions with a denominator of 8.

1/2 = 4/8 (multiply both the numerator and the denominator by 4)

Now, we can subtract the fractions:

(7/8) - (4/8) = (7 - 4)/8 = 3/8

So, the cat is 3/8 inches taller than the dragon.

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Elijah and Riley are playing a board game. Elijah chooses the dragon for his game piece, and Riley chooses the cat for hers. The dragon is about 1 2 inch tall, and the cat is about 7 8 inch tall. How much taller is the cat than the dragon?

What is the percentage chance of choosing a queen or a king from a standard 52-card deck?

Answers

The probability of choosing a king or queen from a standard 52-card deck is 2/13 or approximately 15.4%.

How can we calculate the percentage?

The probability of choosing a king or a queen from a standard 52-card deck can be calculated by first determining the number of kings and queens in the deck. There are four kings (hearts, diamonds, clubs, and spades) and four queens (hearts, diamonds, clubs, and spades) in the deck, for a total of eight cards.

To find the probability of choosing a king or a queen, you need to divide the number of desired outcomes (eight) by the total number of possible outcomes (52).

Probability = Number of desired outcomes / Total number of possible outcomes

Probability = 8 / 52

This simplifies to:

Probability = 2 / 13

Therefore, the probability of choosing a king or a queen from a standard 52-card deck is approximately 0.154 or 15.4%.

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please help me I don't understand how to do these.
Given: SD⊥HT ; SH≅ST
Prove: SHD=STD

Answers

Step-by-step explanation:

For this given problem we have the following statements and reasons:

1) SD is vertical to HT,

Reason: Given

2) SDH and SDT are right angles

Reason: Right angle congruence theorem

3) SH=≈ST

Reason: Given

4) BD=≈BD

Reason: Reflexive property

5) SHD=≈STD

Reason: SAS

Please upload a picture of a piece of paper with the problem worked out, and draw the graph for extra points, there will be 6 of these, so go to my profile and find the rest, and do the same, for extra points.

Answers

The solution of the system of equations is given by the ordered pair (2, 7).

How to graphically solve this system of equations?

In order to graph the solution to the given system of equations on a coordinate plane, we would use an online graphing calculator to plot the given system of equations and then take note of the point of intersection;

3x - y = -1    ......equation 1.

x - 2y = -12  ......equation 2.

Based on the graph shown in the image attached above, we can logically deduce that the solution to this system of equations is the point of intersection of the lines on the graph representing each of them, which lies in Quadrant I, and it is given by the ordered pairs (2, 7).

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A study was conducted by the Director of Parking and Transportation at a large university. One variable under study is the method of transportation to campus used by off-campus students. The choices for students on the survey were drive alone, carpool, public transportation, walk, or a paid driving service. Which type of variable is this?

Answers

The type of variable being studied in this case is a categorical variable, specifically a nominal variable.

What s the type of variable in the question?

Categorical variables are variables that can be classified or grouped. The categories in this example are the various modes of transportation utilized by off-campus students (drive alone, carpool, public transportation, walk, or a paid driving service).

Nominal variables are categorical variables with no intrinsic order or numerical value. Because the various modes of transportation in this study have no numerical value or inherent order, they are classified as nominal variables.

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Dagne measures and finds that she can do a vertical jump that is 27. 5% of her height. If Dagne is 48 inches tall, how high can she jump? Enter your answer in the box

Answers

If Dagne is 48 inches tall, then she can jump 13.2 inches high.

Given that Dagne can do a vertical jump that is 27.5% of her height, and she is 48 inches tall, we can find how high she can jump by multiplying her height by the percentage of her vertical jump as follows:

Jump height = 27.5% of height

Jump height = (27.5/100) x 48 inches

Jump height = 0.275 x 48 inches

Jump height = 13.2 inches

Therefore, Dagne can jump 13.2 inches high.

To explain this, we can say that the problem gives us information about the proportion of Dagne's height that she can jump vertically. The percentage of her height that she can jump is given as 27.5%, which we can convert to a decimal form (0.275) for calculation purposes. Multiplying this decimal by Dagne's height of 48 inches gives us the height that she can jump, which is 13.2 inches. So, Dagne can jump 13.2 inches high based on the given information.

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let g be a function such that g(9)=0 and g'(9)=2 let h be the function h(x)=square root of x
evaluate d/dx[g(x)*h(x)] at x=9

Answers

Answer:   6

Work Shown:

First we'll need the derivative of h(x)

[tex]h(\text{x}) = \sqrt{\text{x}}\\\\h(\text{x}) = \text{x}^{1/2}\\\\h'(\text{x}) = (1/2)\text{x}^{-1/2}\\\\h'(\text{x}) = \frac{1}{2\text{x}^{1/2}}\\\\h'(\text{x}) = \frac{1}{2\sqrt{\text{x}}}\\\\[/tex]

Then let f(x) = g(x)*h(x)

Use the product rule to evaluate f ' (9).

[tex]f(\text{x}) = g(\text{x})*h(\text{x})\\\\f'(\text{x}) = \frac{d}{d\text{x}}\left[g(\text{x})*h(\text{x})\right]\\\\f'(\text{x}) = g'(\text{x})*h(\text{x}) + g(\text{x})*h'(\text{x})\\\\f'(\text{x}) = g'(\text{x})*\sqrt{\text{x}} + g(\text{x})*\frac{1}{2\sqrt{\text{x}}}\\\\f'(9) = g'(9)*\sqrt{9} + g(9)*\frac{1}{2\sqrt{9}}\\\\f'(9) = 2*\sqrt{9} + 0*\frac{1}{2\sqrt{9}}\\\\f'(9) = 2*3 + 0\\\\f'(9) = 6\\\\[/tex]

What is the volume of a hemisphere with a radius of 8. 8 cm, rounded to the nearest


tenth of a cubic centimeter?



Please help

Answers

The volume of a hemisphere with a radius of 8. 8 cm, rounded to the nearest tenth of a cubic centimeter, is approximately 1436.8 cubic centimeters.

To find the volume of a hemisphere with a radius of 8.8 cm, you can use the formula:

Volume = (2/3)πr³

where r is the radius of the hemisphere. Plugging in the given radius:

Volume = (2/3)π(8.8)³ ≈ 1436.8 cubic centimeters

So, the volume of the hemisphere is approximately 1436.8 cubic centimeters, rounded to the nearest tenth of a cubic centimeter.

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A landscaping company placed two orders with a nursery. The first order was for 13 bushes and 4 trees, and totaled $327. 50. The second order was for 6 bushes and 2 trees, and totaled $142. 96. Sam tried to use system of equation to solve the problem. If "b" represents bushes and "t" represents trees which system can Sam use?

Answers

System of equation Sam can use is 13b + 4t = 327.50 and 6b + 2t = 142.47 where "b" represents bushes and "t" represents trees.

Let the cost of bushes represented by b

cost of trees represented by t

First order is 13 buses and 4 trees and total is $327.50

By using the data equation form will be

13b + 4t = 327.50

Second order is 6 bushes and 2 trees and total is $142. 96

By using data the equation form will be

6b + 2t = 142.96

These set of equation will for and can be used.

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The circumstances if the base of the cone is 12π cm. If the volume of the cone is 96π, what is the height

Answers

24 cm  is the height of cone .

What is known as a cone?

A cone is a three-dimensional geometric object with a smooth transition from a flat, generally circular base to the apex, also known as the vertex.

                                      A cone is a three-dimensional geometric structure with a smooth transition from a flat base—often but not always circular—to the point at the top, also known as the apex or vertex. Cone. a right circular cone having the following measurements: height, slant height, angle, base radius, and height.

V=1/3hπr²

V = 1/3 * h * 12π

96π = 1/3 * h * 12π

96π * 3/12π  = h

 8 * 3   = h

  h = 24 cm

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1425 stamps evenly into 7 piles how many would be in each pile

Answers

To evenly distribute 1425 stamps into 7 piles, you would divide 1425 by 7. This gives you a quotient of 203 with a remainder of 4. This means that each pile would contain 203 stamps and there would be 4 stamps left over.

To understand this better, you can visualize the process of dividing 1425 stamps into 7 equal piles. You could start by putting 203 stamps into the first pile. Then, you would add another 203 stamps to the second pile. You would continue this process until you had 7 piles, each containing 203 stamps. However, you would be left with 4 stamps that couldn't be evenly distributed.

This type of division is called integer division because it results in a whole number quotient and potentially a remainder. In this case, the quotient represents the number of stamps that can be evenly distributed among the piles, and the remainder represents the leftover stamps that cannot be evenly distributed.

Overall, to divide 1425 stamps into 7 piles, each pile would contain 203 stamps, with 4 stamps remaining.

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A garden designer designed a square decorative pool. the pool is surrounded by a walkway. on two opposite sides of the pool, the walkway is 8 feet. on the other two opposite sides, the walkway is 10 feet. the final design of the pool and walkway covers a total area of 1,440 square feet. the side length of the square pool is x.

Answers

The expression that represents the side length of the square pool is 2x² + 36x - 1120 = 0. The side length of the square pool is x = 16.31 feet.

Let's denote the side length of the square pool as x.

The walkway on two opposite sides of the pool is 8 feet, which means that the overall length of the pool and walkway on those sides is x + 8 + 8 = x + 16.

Similarly, x + 10 + 10 = x + 20.

The total area covered by the pool and walkway is given as 1,440 square feet.

Total Area = Pool Area + Walkway Area

The area of the square pool is x², and the area of the walkway is the difference between the total area and the pool area:

Walkway Area = Total Area - Pool Area

Substituting the values, we have:

1440 = x² + (x + 16)(x + 20)

1440 = x² + (x² + 36x + 320)

Combining like terms:

1440 = 2x² + 36x + 320

2x² + 36x + 320 - 1440 = 0

2x² + 36x - 1120 = 0

After solving, we get:

[tex]x=-9+\sqrt{641},\:x=-9-\sqrt{641}[/tex]

Take positive value:

[tex]x=-9+\sqrt{641},\\x = -9+25.31\\x = 16.31[/tex]

So, the side length of the square pool is 16.31 feet.

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The points $(1, 7), (13, 16)$ and $(5, k)$, where $k$ is an integer, are vertices of a non-degenerate triangle. what is the sum of the values of $k$ for which the area of the triangle is a minimum

Answers

The minimum value of k that satisfies this inequality is k = 9.

To find the value of k for which the area of the triangle is a minimum, we'll use the following terms: vertices, non-degenerate triangle, and area of a triangle. Here's the step-by-step explanation:

1. The vertices of the triangle are $(1, 7), (13, 16),$ and $(5, k)$.
2. A non-degenerate triangle means it has a positive area.
3. The area of a triangle can be calculated using the formula: Area = (1/2) * |x1(y2 - y3) + x2(y3 - y1) + x3(y1 - y2)|

Now, let's find the area of the triangle with the given vertices:

Area = (1/2) * |1(16 - k) + 13(k - 7) + 5(7 - 16)|

We want to minimize the area, so let's simplify the expression:

Area = (1/2) * |-9 + 13k - 104|

Since we want a non-degenerate triangle, the area must be greater than 0. Therefore, the expression inside the absolute value must be positive:

-9 + 13k - 104 > 0
13k > 113
k > 113/13
k > 8.69

Since k is an integer, the minimum value of k that satisfies this inequality is k = 9.

The sum of the values of k for which the area of the triangle is a minimum is just the single value we found, which is 9.

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You sold a total of 320 student and adult tickets for a total of $1200. Student
tickets cost $3 and adult tickets cost $8. How many adult tickets were sold?

Answers

Answer:

48 adult tickets were sold.

Step-by-step explanation:

Let's use algebra to solve this problem:

Let's define:

x: the number of student tickets soldy: the number of adult tickets sold

From the problem statement, we know:

x + y = 320 (the total number of tickets sold is 320)3x + 8y = 1200 (the total revenue from ticket sales is $1200)

We can use the first equation to solve for x in terms of y:

x = 320 - y

Substituting this expression for x into the second equation, we get:

3(320 - y) + 8y = 1200

Expanding the left side, we get:

960 - 3y + 8y = 1200

Simplifying, we get:

5y = 240

Solving for y, we get:

y = 48

Therefore, 48 adult tickets were sold.

Additional:

To find the number of student tickets sold, we can substitute y=48 into the first equation:

x + 48 = 320

x = 272

Therefore, 272 student tickets were sold.

Let's use algebra to solve the problem.

Let x be the number of student tickets sold, and y be the number of adult tickets sold.

We know that the total number of tickets sold is 320, so:

x + y = 320

We also know that the total revenue from ticket sales is $1200, so:

3x + 8y = 1200

Now we can solve for one of the variables. Let's solve for x:

x = 320 - y

Substitute this expression for x in the second equation:

3(320 - y) + 8y = 1200

960 - 3y + 8y = 1200

5y = 240

y = 48

Therefore, 48 adult tickets were sold. To find the number of student tickets sold, substitute y = 48 into the first equation:

x + 48 = 320

x = 272

Therefore, 272 student tickets were sold.

From the following facts, complete a depreciation schedule by using


the straight-line method:



Cost of Honda Account Hybrid - $40000


Residual Value - $10000


Estimated Life - 6 years

Answers

Using the straight-line method, we can find the depreciation expense per year by dividing the depreciable value (cost - residual value) by the estimated life:

Depreciable Value = Cost - Residual Value

Depreciable Value = $40000 - $10000

Depreciable Value = $30000

Annual Depreciation Expense = Depreciable Value / Estimated Life

Annual Depreciation Expense = $30000 / 6

Annual Depreciation Expense = $5000

To create a depreciation schedule, we can subtract the annual depreciation expense from the cost each year until we reach the residual value:

| Year | Cost |   Depreciation | Accumulated Depreciation | Book Value |

|------|---------------|-----------------  |----------------------------------------|------------|

| 1     | $40000  | $5000                | $5000                             | $35000     |

| 2    | $35000  | $5000                 | $10000                           | $30000     |

| 3    | $30000  | $5000                  | $15000                           | $25000     |

| 4    | $25000  | $5000                  | $20000                          | $20000     |

| 5    | $20000  | $5000                  | $25000                         | $15000     |

| 6    | $15000  | $5000                    | $30000                        | $10000     |

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If a and b, then c. given: the if-then statement's reverse isalso correct. if a is true, b is true, what is c?

Answers

If a and b, then c means that if both a and b are true, then c must also be true. This is an example of a conditional statement, where the truth of one proposition (c) is dependent on the truth of the other two propositions (a and b).



Now, given that the reverse of the if-then statement is also correct, we can conclude that if b is true, then a is also true. This means that both a and b are true. Therefore, according to the original statement, c must also be true.


In other words, if a and b are both true, then c must also be true. This is because the conditional statement "if a and b, then c" holds true in this scenario. Therefore, we can conclude that the value of c is true.


Overall, understanding the logic behind conditional statements and their reverses can help us make logical conclusions about the truth of propositions based on the truth of other propositions.

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11. Consider the image shown. What is the measure of angle DEB?

Answers

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The supplementary angles of the given angles are 154 degrees, 136 degrees, 135 degrees, 44 degrees, 45 degrees, and 26 degrees, respectively.

Supplementary Angles of Given Angles

Supplementary angles are pairs of angles that add up to 180 degrees. To find the supplementary angle of each given angle, we simply subtract the angle from 180 degrees.

Therefore, the supplementary angles of the given angles are:

The supplementary angle of 26 degrees is 154 degrees (180 - 26 = 154).

The supplementary angle of 44 degrees is 136 degrees (180 - 44 = 136).

The supplementary angle of 45 degrees is 135 degrees (180 - 45 = 135).

The supplementary angle of 136 degrees is 44 degrees (180 - 136 = 44).

The supplementary angle of 135 degrees is 45 degrees (180 - 135 = 45).

The supplementary angle of 154 degrees is 26 degrees (180 - 154 = 26).

Therefore, the supplementary angles of the given angles are 154 degrees, 136 degrees, 135 degrees, 44 degrees, 45 degrees, and 26 degrees, respectively.

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Drag each reason to the correct location on the flowchart. Not all reasons will be used.

Answers

∠AOD≅∠COB,∠AOB≅∠COD by vertical angle theorem. ΔAOD≅ΔCOB,ΔAOB≅ΔCOD by SAS. ∠DAC≅∠BCA,∠BAC≅∠DCA by CPCTC. AB║CD,AD║BC by converse alternate interior angles theorem

What's perpendicular angles theorem?

Vertical angles theorem states that perpendicular angles, angles that are contrary each other and formed by two cutting straight lines, are harmonious.

Define alternate interior angles theorem?

Alternate angle theorem states that when two resemblant lines are cut by a transversal, also the performing alternate interior angles or alternate surface angles are harmonious.

SAS Side angle side

CPCTC Corresponding corridor of harmonious triangles are harmonious.

discourse of alternate interior angle theorem If two alternate interior angles are harmonious also the two lines are resemblant.

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A volleyball player’s serving percentage is 75%. Six of her serves are randomly selected. Using the table, what is the probability that at most 4 of them were successes?




A 2-column table with 7 rows. Column 1 is labeled number of serves with entries 0, 1, 2, 3, 4, 5, 6. Column 2 is labeled probability with entries 0. 0002, 0. 004, 0. 033, 0. 132, 0. 297, 0. 356, question mark.




0. 297



0. 466



0. 534



0. 822

Answers

To solve this problem, we first need to understand what "at most 4 of them were successes" means. This includes the cases where there are 0, 1, 2, 3, or 4 successful serves out of the 6 selected.

We can use the table to find the probabilities for each of these cases.

For 0 successful serves, the probability is 0.0002.

For 1 successful serve, the probability is 0.004.

For 2 successful serves, the probability is 0.033.

For 3 successful serves, the probability is 0.132.

For 4 successful serves, the probability is 0.297.

To find the probability of at most 4 successful serves, we add up these probabilities:
[tex]0.0002 + 0.004 + 0.033 + 0.132 + 0.297 = 0.466[/tex]

So the probability of at most 4 successful serves is 0.466.

Therefore, the answer is 0.466 and it is found by adding up the probabilities for the cases where there are 0, 1, 2, 3, or 4 successful serves out of the 6 selected from the table.

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