on an old-fashioned bicycle the front wheel has a radius of 2.5 feet and the back wheel has a radius of 4 inches. if there is no slippage, how many revolutions will the back wheel make while the front wheel makes 100 revolutions?

Answers

Answer 1

Therefore , the solution of the given problem of circle comes out to be 100 rotations of the front tire will be made by the back wheel.

What does a circle represent?

Each point in the plane whose distance from that other point is a certain value forms a circle (center). It is therefore a curve composed of vertices that are spaced apart from one another in the plane by a specific amount. Furthermore, it is symmetrical about the center at all angles in terms of rotation. The closed, two-dimensional plane of a circle has all pairs of endpoints equally separated from the "center." When a line is drawn through the circle, a circle symmetry line is created. Furthermore, it rotates equally from all angles about the center.

Here,

The circle of the rear wheel is equal to circle = diameter x π, or 2.5 feet by 12 inches, or 30 inches.

The length of the front axle is 30 x 2 = 60 inches.

The diameter of the front wheel, C, is equal to 60 x Pi, or 60π, in inches.

The diameter of a back wheel is 4 x 2 = 8 inches.

The circumference of back wheel is C = 8 x Pi = 8π in inches.

750 revolutions are equal to

100 × [60Pi/8π] = 6,000π/8π.

100 rotations of the front tire will be made by the back wheel.

Therefore , the solution of the given problem of circle comes out to be 100 rotations of the front tire will be made by the back wheel.

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Related Questions

What is the difference between the best and worst credit score interest rates?

Answers

The difference between the best and worst credit score interest rates would be = 6.24%

What is an interest rate?

An interest rate is defined as the particular amount of money an individual receives for a period of time due to an investment made.

The difference between the best and the worst credit score interest rates would be to substrate the best score from the worst score.

The best interest rate score = 3.65

The worst interest rate score = 9.89

Therefore the difference = 9.89 - 3.65 = 6.24 %

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In the given figure, △ADE ∼ △ABC. Which triangle similarity theorem justifies
this similarity? Show proof toyour answer.

a. Using the figure below, name the three similar triangles.

b. Write the proportions that exist among corresponding parts of similar

Answers

By similarity theorem The three similar triangles are △CLB~△LUB~△CUL

(B) The proportions in corresponding parts of similar are in △CLB~△LUB: CL/LU=LB/UB=CB/LB and in △CLB~△CUL:CL/CU=LB/UL=CB/CL

What is similarity theorem?

Triangle similarity in Euclidean geometry. According to the fundamental theorem of similarity, a line segment can divide two triangle sides into proportionate segments if and only if it is parallel to the third side of the triangle.

In the given figure, △ADE~△ABC.

1. ∠D≅∠B

2. DE II BC converse of basic proportionality

3. ∠E ≅ ∠C corresponding angle are congruent

4. ∠DAE≅∠BAC reflexive property

5. △ADE ≅△ABC (AAA similarity theorem)

The three similar triangles are-

△CLB~△LUB~△CUL

The proportions that exist among corresponding parts of similar

→ In △CLB~△LUB

CL/LU=LB/UB=CB/LB

→ In △CLB~△CUL

CL/CU=LB/UL=CB/CL

→ In △LUB~△CUL

LU/CU=UB/UL=LB/CL

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HELP I ONLY HAVE TELL 12 QUICK I HAVE OTHER QUIZZES TOO

Answers

Answer:

by 5

Step-by-step explanation:

Answer: 5

Step-by-step explanation:

[tex]y^{2} =x^{2} +a^{2}[/tex]
make x the subject

Answers

this may be the answer:

Last season , the Roswell hornets out scored their opponents 5:2 if their opponents scored 28 points , how many points did the hornets score ?

Answers

The hornets scored 70 points if they scored 5:2 when their opponents scored 28 points.

Therefore the answer is 70.

If the Roswell hornets outscored their opponents 5:2, this means that for every 5 points the hornets scored, their opponents scored 2 points.

If we know that the opponents scored 28 points, we can use this information to find out how many points the hornets scored.

We can set up the equation:

x/28 = 5/2

Where x is the number of points the hornets scored.

On solving the equation we get:

x = (5 × 28)/2

x = 5 × 14

x = 70

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a nutritionist believes that 10% of teenagers eat cereal for breakfast. to investigate this claim, she selects a random sample of 150 teenagers and finds that 25 eat cereal for breakfast. she would like to know if the data provide convincing evidence that the true proportion of teenagers who eat cereal for breakfast differs from 10%. what are the values of the test statistic and p-value for this test?

Answers

On solving the provided question, we can say that random sample the conditions for interference are met.

what is random sample?

selected at random (purely random, unpredictable). Every member of the population being polled ought to have an equal probability of getting chosen. She randomly selected 25 names from a pool of 250 employees as an example of a simple random sample. Since there are 250 of her employees in total, and each one has an equal probability of being chosen, the sample in this instance is random. Using simple random sampling, which is a form of probability sampling, researchers choose individuals at random from a population. There is an equal opportunity for selection for every person in the population.

Yes, the conditions for interference are met.

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(2^-3x divided by 2^-2)^2=2^10

Answers

.

Greetings!!

Lool at the attachment

suppose you want to estimate the percentage of college studentswho are using electronic cigarettes on a regular basis. you have permission to sample two colleges, grove city college and penn state university. grove city has an enrollment of 2,500 students and penn state has an enrollment of 45,000 students. what should the relative size of our samples be from each school if we want the two sampling distributions to have approximately the same standard deviation?

Answers

The correct option is A "Because the population sizes are so different, it's impossible to make the standard deviations equal by adjusting the two sample sizes ".

The collection of data is gathered and chosen from a statistical population with the use of some prescribed techniques in both statistics and quantitative methodology. Data sets may be divided into two categories: sample and population.

All the components of the data set are included in the population, which also contains quantifiable qualities like mean and standard deviation.

A sample is made up of one or more observations that are taken from the population, and a statistic is what makes a sample quantifiable. The act of sampling is the selection of a sample from a population.

Complete question:

Suppose you want to estimate the percentage of college students who are using electronic cigarettes on a regular basis. You have permission to sample two colleges, Grove City College and Penn State University. Grove City has an enrollment of 2,500 students and Penn State has an enrollment of 45,000 students. What should the relative size of our samples be from each school if we want the two sampling distributions to have approximately the same standard deviation?

A. Because the population sizes are so different, it's impossible to make the standard deviations equal by adjusting the two sample sizes

B. We should take a larger number of Penn State students since there are more of them.

C. We should take a larger number of Grove City students since there are fewer of them.

D. We should take the same size samples from each school.

E. We should take samples that are exactly 10% of each school's enrollment.

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help me with my maths homework please, thanks for your responses

Answers

On solving the provided question we can say that by factorization are

x(x-3) + 2(x-3) ⇒(x-3)(x+2) ⇒ x = 3, -2

what is factorization?

A number or other mathematical object is factored, or written as the product of numerous factors—typically smaller or simpler things of the same kind—in mathematics. For instance, the integer 15 is factorized as 3 5, which is the factorization of the polynomial x2 – 4. Factorization in mathematics refers to the breakdown of a number into smaller numbers that are multiplied together to produce the original number. Factorization is the division of a number into its factors or factors. 12 is multiplied by 3 and 4 as an example.

the polynomial is as =  x^2 + 14x + 48

by factorization are

x(x-3) + 2(x-3)

(x-3)(x+2)

x = 3, -2

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write an equation that represents how many grams of flour we need (fff) for some number of grams of sugar (sss).

Answers

We need 600 grams of flour to make the recipe with 400 grams of sugar.

What is a ratio?

A ratio is a mathematical comparison of two or more values or quantities. It is represented as a fraction, with the numerator representing the first value or quantity and the denominator representing the second value or quantity.

An equation is a mathematical statement that asserts the equality of two expressions. In this case, the recipe uses 300 grams of flour for every 200 grams of sugar. To write an equation that represents this relationship, we can use the variable "f" to represent the number of grams of flour and "s" to represent the number of grams of sugar.

The equation that represents this relationship is f = (3/2)s. The coefficient of the "s" variable is 3/2, which represents the ratio of flour to sugar in the recipe (3 parts flour to 2 parts sugar). This equation states that the number of grams of flour, represented by f, is equal to 3/2 times the number of grams of sugar, represented by s.

So, in other words, if we know the number of grams of sugar we need, we can use this equation to find out how many grams of flour we need. For example, if we need 400 grams of sugar, we can substitute that into the equation:

f = (3/2)s

f = (3/2) * 400

f = 600

Hence, We need 600 grams of flour to make the recipe with 400 grams of sugar.

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Answer and explaining

Answers

Answer:

a

Step-by-step explanation:

i just took it

Solve for X, Leave in simplest radical form.

Answers

Hope it helps.

If you have any query, feel free to ask.

Which of the following relations is a function?
A.
(3, 4), (-5, 6), (3, 3), (-8, 2)

B.
(3, 0), (-5, 3), (5, 1), (-5, 5)

C.
(5, 1), (-5, 4), (3, 1), (5, 2)

D.
(3, 4), (-5, 2), (5, 1), (-8, 2)

Answers

The relation in this problem that is a function is given as follows:

D. (3, 4), (-5, 2), (5, 1), (-8, 2).

When does a relationship represents a function?

To verify whether a relation represents a function, we need to observe if each input is mapped to only one output.

The relationships that are not functions in this problem, along with the justification, are given as follows:

Relationship A: Input 3 is mapped to multiple outputs, 4 and 3.Relationship B: Input -5 is mapped to multiple outputs, 3 and 5.Relationship C: Input 5 is mapped to multiple outputs, 1 and 2.

Hence the relationship that is a function is given by option D, as the inputs 3, -5, 5 and -8 are each mapped to a single output.

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how many liters of a 15% alcohol solution must be mixed with 30 liters of a 40% alcohol solution to obtain a 30% solution

Answers

Answer: 20 liters

Step-by-step explanation:

Let the number of liters of 15% alcohol solution be [tex]x[/tex].

[tex]0.15x+30(0.4)=0.3(x+30)\\\\0.15x+12=0.3x+9\\\\12=0.15x+9\\\\0.15x=3\\\\x=20[/tex]

If f(1)=3 and f(n)=f(n-1)^2+n then find the value of f(3)

Answers

Answer:

[tex]\sqrt{\sqrt{2} }[/tex]

Step-by-step explanation:

f(1)=3; f(1)=f(0)^2+1
f(0)=[tex]\sqrt{2}[/tex]=f(3)^2+0; f(3)^2=sqrt*2; f(3)=sqrt*sqrt2

the product of three different positive integers is equal to $7^3$. what is the sum of the three integers?

Answers

The sum of the three integers is 57.

The term integer in math is known as the collection of whole numbers and negative numbers.

Here we have given that the product of three different positive integers is equal to 7³.

Here let us consider that x,y,z be three positive number.

Then based on the given is written as

=> xyz = 7³

When we expand the equation, then we get,

=> xyz = 343

Here we have expand the equation as,

=> xyz = 1 × 7 × 49

Then the equation written as

=> x + y + z = (1 + 7 + 49)

Then the sum equation is calculated as

=> x + y + z = 57

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1. The hypotenuse of a right triangle has length of 34cm. The sum of the lengths of the other two legs is 46cm. What are their lengths?

Answers

The length of the other two sides are 16 and 30.

What is right-angle triangle ?

A right triangle is a triangle with one angle at a right angle, meaning that two of its sides are perpendicular. It is also known as a right-angled triangle, an orthogonal triangle, or more commonly as a rectangled triangle. Trigonometry's foundation is the right triangle's relationship between its sides and other angles.

If one of the triangle's angles is 90 degrees, the triangle is said to be right-angled. 90 degrees is the sum of the other two angles. Perpendicular and the triangle's base make up the sides that the right angle is formed from. The hypotenuse, or third side, is the longest of the three. It is also known as the hypotenuse.

let one angle be x

the other angle be 46-x

as the sum of the angles is 46

x² + (46-x)² = 34²

2x² - 92x + 46² - 34² = 0

x² - 46x + 480 = 0

x² - 16x - 30x + 480 = 0

x(x-16) - 30 (x - 16) = 0

(x-30)(x-16) = 0

x = 30 or x = 16

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please help will give brianliest The point (–3, –2) is a solution to 2(x + 1) > 3y – 2. True False

Answers

Answer:

True

Step-by-step explanation:

(3,2) is a solution to the equationExplanation:If (3 ,2) is a solution then it must 'satisfy' the equation. That is make it True.To determine this, substitute x = 3 and y = 2 into the left side of the equation and if the result is 12 then it is a solution.⇒(2×3)+(3×2)=6+6=12LHS = RHS hence (3,2) is a solution

An online music store charges $1.25 for each song after you pay a $25 subscription fee. write a function that represents the arithmetic sequence. how many songs
can you buy if you have $57 to spend?

Answers

Answer is you can buy 25 songs

Step by step

Using slope intercept formula for inequality
y ≥ mx +b

y = value
m = rate or slope, here it is price per song
x = variable, here it is how many songs
b = set cost or starting point, here it’s the set subscription fee


57 ≥ 1.25x + 25
Subtract 25 from both sides to isolate x

57 - 25 ≥ 1.25x + 25 - 25

32 ≥ 1.25x

Now divide both sides by 1.25 to solve for x

32/1.25 ≥ 1.25/1.25x

25.6 ≥ x

This tells us x is less than or equal to 25.6

Since we cannot buy a percent of a song, we round down to 25 songs

Check your work, substitute 25 for x

57 ≥ 1.25 (25) + 25

57 ≥ 31.25 + 25

57 ≥ 56.25

Statement is true
57 is more than or equal to 56.25



The ratios from parts A and B are equivalent. Write an equation by setting the ratios equal to one another.

Answers

Answer:

the solution is 9/2 = X24

The table below gives the annual sales (in millions) of a product.

Answers

The average rate of change in annual sales are as follows;

a) Between 2003 and 2004, the average rate of change of sales is -3 unit per year

b) The average rate of change between 2003 and 2006 is -9 units per year

What is the average rate of change of a set of values?

The average rate of change of a set of values is the rate at which one variable changes with regards to the unit change in another variable, over an interval.

The values in the table are presented as follows;

The sales of a product in millions annually.

Year;  1998[tex]{}[/tex]  1999  2000  2001  2002  2003  2004  2005  2006

Sales; 174 [tex]{}[/tex]     201    222     237   246     249    246    237     222

The average rate of change between two data points, (x₁, y₁), and (x₂, y₂), can be obtained as follows;

[tex]Average \, rate \, of \, change= \frac{y_2-y_1}{x_2-x_1}[/tex]

a) The average rate of change between 2003 and 2004 is found using the formula for the average rate of change as follows;

[tex]Average = \frac{246-249}{2004-2003} =-3[/tex]

The average rate of change of annual sales of the product between 2003 and 2004 is -3 units per year.

b) The average rate of change in sales of the product between 2003 and 2006 is found as follows;

Rate of change between 2006 and 2003; [tex]\frac{222-249}{2006-2003} =\frac{-27}{3} =-9[/tex]

The average rate of change in sales of the product between 2006 and 2003 is -9 unit per year.

Please find attached the screen grab of the table in the attachment that specifies the annual sales of the product (in millions).

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PLEASE HELPPPP!!! (-2/3)^4 evaluate.

Answers

(-2/3)^4 evaluates to (1/81) or 0.012345679012345678.

Height in meters 15 30 45 60 75 90 105 Distance in kilometers 13.833 19.562 23.959 27.665 30.931 33.833 36.598 1. Determine a function that could be used to model the data in the table. Make sure to use h for height and d for distance.

Answers

1. a function that could be used to model the data in the table. Make sure to use h for height and d for distance is d = -0.425h + 39.25

2. If the balloon is 800 meters high,  the farthest distance that you would be able to see is  48 km

3. at the  height  of  67 does the balloon have to rise for the building to be visible.

The table in the question shows a relationship between the height of a balloon and the distance away from the balloon that can be seen. Using this data, a linear function can be determined that models this relationship. The function is d = -0.425h + 39.25, where h is the height of the balloon in meters and d is the distance in kilometers. Using this function, if the balloon is 800 meters high, the farthest distance that can be seen is 48 km, which is the y-intercept of the equation.

Inversely, if a building is 16 km away from the balloon, the height the balloon must rise for the building to be visible is 67 m. This can be determined by substituting 16 for d in the equation and solving for h.   Overall, the linear function d = -0.425h + 39.25 models the relationship between the height of the balloon and the distance away from the balloon that can be seen. The equation can be used to determine the height of the balloon needed to see a certain distance or the distance away from the balloon that can be seen when the balloon is at a certain height.

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Height in meters 15 30 45 60 75 90 105 , Distance in kilometers 13.833 19.562 23.959 27.665 30.931 33.833 36.598

1. Determine a function that could be used to model the data in the table. Make sure to use h for height and d for distance.

2. If the balloon is 800 meters high, what is the farthest distance that you would be able to see? Round the answer to the nearest whole number

3. Round answer to the nearest whole number A building is 16 km away. What height does the balloon have to rise for the building to be visible?

An airplane is preparing to land at an airport. It is 45,600 feet above the ground and is descending at the rate of 3,200 feet per minute. At the same​ airport, another airplane is taking off and will ascend at the rate of 2,500 feet per minute. When will the two airplanes be at the same altitude and what will that altitude​ be?

Answers

Answer:

8 mins 20000feet

Step-by-step explanation:

let mins be x

45600-3200x = 2500x

so 45600= 5700

x=8

2500*8 = 20000

Determine the area of each face of a cube with the given surface area.
a) 306.6 square meters
b) 450 square inches ​

Answers

Answer:

51.1 m² and 75 in²

Step-by-step explanation:

A cube has 6 congruent square faces

Given the surface area of the cube, that is the combined area of the 6 faces , then

divide the surface area by 6 for area of each face.

(a)

306.6 m² ÷ 6 = 51.1 m²

(b)

450 in² ÷ 6 = 75 in²

a) The area of each face of a cube 306.6 is 51.1 square units.

b) The area of each face of a cube 450 is 75 square units.

a) A cube has 6 faces

Area of each face is (side × side)

Area = side × side

So, total area is equal to 6 times the area of each side.

Area = 6 × (side × side)

Now,

306.6 = 6 (side)²

(side)² = 51.1

Therefore, the area of each face is 51.1 square units.

b) A cube has 6 faces

Area of each face is (side × side)

Area = side × side

So, total area is equal to 6 times the area of each side.

Area = 6 × (side × side)

now,

450 = 6 (side)²

(side)² = 75

Therefore, the area of each face is 75 square units.

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n - 22 = 4 what is the answer in verbal expression

Answers

Four less than n is 22.

consider a qubit to be in the state . what is the probability to find the spin projection along the x-axis (corresponding operator ) to be 1 ?

Answers

The probability to find the spin projection along the x-axis to be 1 is 0.5. The operator corresponding to the spin projection along the x-axis is X, and the expectation value of X in this state is 0.

This result is a consequence of the fact that operator X is a Hermitian operator, which means that its eigenvalues are real. The eigenvalues of X are ±1, so the probability of measuring a spin projection of 1 is ½. This is because the eigenstate corresponding to the eigenvalue 1 is |+⟩, which is a superposition of |0⟩ and |1⟩.

Similarly, the eigenstate corresponding to the eigenvalue -1 is |-⟩, which is also a superposition of |0⟩ and |1⟩. Thus, the qubit is equally likely to be found in either the |+⟩ or the |-⟩ state, and so the probability of measuring a spin projection of 1 is 0.5.

In summary, since the qubit is in a superposition of the two computational basis states, the expectation value of any Hermitian operator is 0, and the probability of measuring a spin projection of 1 is 0.5.

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once a homework quiz is opened, how long does the student have to submit the quiz? group of answer choices 2 hours, but must submit the exam no later than the closing time. 3 hours, but must submit the exam no later than the closing time. 4 hours, but must submit the exam no later than the closing time. 5 hours, but must submit the exam no later than the closing tim

Answers

3 hours, but must submit the exam no later than the closing time.

The browser displays a notification banner for tests that have a due date to inform students when the test will be marked as incomplete (30 minutes prior, 5 minutes prior, and 1 minute prior).

The browser displays a notification banner for quizzes that are about to auto-submit (using an Until date or the natural course finish date) to inform students of this (30 minutes prior, 5 minutes prior, 1 minute prior, and 10 seconds prior).3 hours, but must submit the exam no later than the closing time.

If students are unable to finish a timed quiz in the full permitted time, the browser will display a notification banner.

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Jolon drew the figure that is shown below.

mc005-1 ( the graph see picture )

Jolon translated the figure left 5 units and down 4 units. What are the new coordinates of point C?
(–4, 0)
(0, 0)
(0, –3)
(1, –4)

Answers

Answer:

(0,-3)

Step-by-step explanation:

C( 5,1)

5 is the horizontal value.  It is the distance from zero.  If we go 5 units left we will be at 0

1 is the vertical value.  Is is the distance above the x axis.  If we go down 4 units, we will be at -3

(0,-3)

the expression $x^2 3x - 28$ can be written as $(x a)(x - b),$ and the expression $x^2 - 10x - 56$ written as $(x 2b)(x c)$, where $a$, $b$, and $c$ are integers such that $c > 0.$ what is the value of $2c - a$?

Answers

The required value of the expression 2c - a is 1.

What is an expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement.

It's possible to multiply, divide, add, or subtract with this mathematical operation.

An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)

An expression in mathematics is made up of numbers, variables, and functions (such as addition, subtraction, multiplication or division, etc.)

So, we have:

x²+3x-28

x²+7x-4x-28     [28=7×2×2, 7-(2×2)=7-4=3]

x(x+7)-4(x+7)

(x+7)(x-4)$

In light of the fact that x2+3x-28 can be expressed as (x+a)(x-b).

in order to compare (x+7)(x-4) and (x+a)(x-b).

As a result, a = 7 and b = 4.

Similarly,

x²-10x-56$

x²-14x+4x-56       [ 56= 7×2×2×2, - (7×2)+(2×2) = -14+4=10]

x(x-14)+4(x-14)

(x-14)(x+4)

Given that (x+2b)(x+c) can be used to represent x2-10x-56.

Consequently, compare (x-14)(x+4)and (x+2b)(x+c).

Now,  c=4    [∵c>0].

Then,

2c-a

(2×4)-7

8-7

1

Therefore, the required value of the expression 2c - a is 1.

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