A railway club provides free train rides on their large circular tracks. There are two tracks. The distance from Track 1 to the center is 30 m. The distance between Track 1 and Track 2 is 5 m. How much farther is the train ride on Track 2 than Track 1

Answers

Answer 1

If the distance between the tracks is 5m , then the train ride on track 2 is 15.7 m farther than track 1.

Let the distance traveled on Track 1 be = "d₁" and

Let the distance traveled on Track 2 be = "d₂",

We know that the distance from Track 1 to the center is 30 m,

So, the radius of Track 1 is 30 m.

Therefore, the distance traveled on Track 1 is the circumference of a circle with radius 30 m, which is:

⇒ d₁ = 2×π×r1 = 2×π×30 = 60π ,

The distance between the track1 and track2 is 5m ,

So, the radius of Track 2 is = 30 + 5 = 35 m,

So, the distance traveled on Track 2 beyond Track 1 is the difference between the circumference of the two circle with radius 35 m and the circumference of a circle with radius 30 m, which is:

⇒ 35π - 30π = 5π

The distance traveled on Track 2 beyond Track 1 plus the distance traveled on Track 1 gives the total distance traveled on Track 2:

⇒ d₂ = d₁ + 5π = 60π + 5π = 65π

So, the train ride on Track 2 is farther than Track 1 by:

⇒ d₂ - d₁ = 65π - 60π = 5π

⇒ 5π = 5×3.14 = 15.7m .

Therefore, the train ride on Track 2 is 15.7 meters farther than Track 1.

Learn more about Distance here

https://brainly.com/question/13986550

#SPJ4


Related Questions

A body of mass m falling through a viscous medium encounters a resisting force proportional to the square of its instantaneous velocity. In this situation the differential equation for the velocity v(t) at time t is dv CV Where k is a positive constant of proportionality. Solve the equation subject to r(0) V., what is the limiting velocity of the falling body?

Answers

The solution to the differential equation is:

$$v(t)=\frac{V_0+kCe^{-Ct}}{1+kCe^{-Ct}}$$
Where $V_0$ is the initial velocity and $C$ is the proportionality constant. The limiting velocity of the falling body as $t \to \infty$ is: $$v_{\infty}=\frac{V_0}{1+kC}$$

The instantaneous velocity of an object is the limit of the average velocity as the elapsed time approaches zero, or the derivative of x with respect to t: v ( t ) = d d t x ( t ) . v ( t ) = d d t x ( t ) . Like average velocity, instantaneous velocity is a vector with dimension of length per time.

For more such questions on Instantaneous Velocity, visit:

brainly.com/question/28837697

#SPJ11

At an ice cream shop, the cost of 4 milkshakes and 2 ice cream sundaes is $23.50. The cost of 8 milkshakes and 6 ice cream sundaes is $56.50.

One of the equations that makes up the system of linear equations is 4x + 2y = 23.50.

What is the second equation?

Answers

Answer:   8x + 6y = $56.50

Step-by-step explanation:

I think this is right!

Eli stands on the balcony of a tall building and throws a tennis ball straight up at a speed of 14 m/s. He releases the tennis ball at a height of 60m from the ground. In parts a through c, round your answer to the nearest hundredth.

A) When does the tennis ball hit the ground?
B) When does the tennis ball pass the point from which it was released?
C) What is the maximum height reached by the ball?

Answers

a) The basic formula is [tex]y=v_0t-gt^2/2[/tex]

[tex]9.81m/sec^2 x \ t^2 - (14 m/sec x t) - 60m = 0[/tex]

quadratic equation t= -b+/- √b^2-4ac /2a

t= 14+- √(-14)^2 -4(4.905)(-60)/ 2(4.905) = 5.20 sec

b) [tex]y=v_0t-gt^2/2[/tex]

At max height H, [tex]V_y = 0[/tex]

[tex]Vy^2 = V^2_{0y} - 2g(y-y_0)[/tex]

[tex]0=(14)^2 -2(9.81)(H-60)[/tex]

[tex]H=70m[/tex]

The ball would fall 10m from max height of 70m. set y=0 and H=10m

[tex]y=gt^2/2+H, t = 1.42 \ sec[/tex].

[tex]\bold{Therefore, 5.2 - 1.42 = 3.77 \ sec}[/tex]

In the following two questions, find the area of each figure.

Answers

As a result, the right triangle x value of 65° is the answer to the given triangle issue.

What does a triangular actually mean?

Triangles are categorised as polygons because they have four edges or more. Its shape is simple and symmetrical. The characters ABC make a square angle that is a triangle. When the edges are still not collinear, Euclidean geometry yields a single rectangle or square. Due to their three edges and three corners, triangles are considered polygons. The corners of a triangle are where its three edges meet. Angles in a trapezoid add up to 360 °.

Here,

Given:

Triangle is 90 degrees because of its right orientation.

The total of the triangle's angles is 180 degrees.

Thus,

=> x + 25° + 90° = 180°

=> x + 115° = 180°

=> x = 180° -115°

=> x = 65°

Thus, the value of x is 65°.

As a result, the answer to the provided triangle problem is

Right triangle's x number is 65 degrees.

To know more about triangle visit:

brainly.com/question/2773823

#SPJ1

Liam earned $328. 65 at his summer jobs. He spent $136. 60 and put the rest of the money in his savings account. Which equation and solution shows how much money, m, Liam saved?

Answers

Liam saved $192.05 from his summer jobs.

What are probability and examples?

It is based on the probability that something will happen. The fundamental underpinning of theoretical probability is the justification for probability. For instance, while flipping a coin, there is a 50% probability that it will land on its head.

By deducting his outgoings from his total earnings, we can calculate how much money Liam saved:

m = 328.65 - 136.60

Condensing the phrase:

m = 192.05

Liam was able to save $192.05 as a result of his summer jobs.

The following equation and its answer demonstrate how much money Liam has saved:

m = 328.65 - 136.60

m = 192.05

To know more about Equation visit:

https://brainly.com/question/29538993

#SPJ1

Write the prime factorization of each number as a product of powers.
(a) 12^9 · 36^15 · 169^8
(b) 16^13 · 10^7 · 81^18

Answers

By answering the above question, we may state that Multiplying these equation prime factorizations together, we get:

[tex]16^13 * 10^7 * 81^18 = (2^52) * (2^7 * 5^7) * (3^72) = 2^59 * 3^72 * 5^7[/tex]

What is equation?

A math equation is a mechanism for connecting two claims by using the equals sign (=) to indicate equivalence. A mathematical statement that establishes the equivalence of two mathematical expressions is known as an equation in algebra. The equal symbol, for example, splits the numbers 3x + 5 and 14. A mathematical formula can be used to describe the relationship between two phrases written on opposite sides of a letter. The logo and programme are frequently the same. 2x - 4 Equals 2, for example.

then multiply the prime factors together using the laws of exponents.

[tex]12^9 = (2^2 · 3)^9 = 2^18 · 3^9\\36^15 = (2^2 · 3^2)^15 = 2^30 · 3^30\\169^8 = 13^16\\12^9 · 36^15 · 169^8 = (2^18 · 3^9) · (2^30 · 3^30) · 13^16 = 2^48 · 3^39 · 13^16\\[/tex]

(b)

[tex]16^13 = 2^52\\10^7 = 2^7 · 5^7\\81^18 = (3^4)^18 = 3^72\\[/tex]

Multiplying these prime factorizations together, we get:

[tex]16^13 * 10^7 * 81^18 = (2^52) * (2^7 * 5^7) * (3^72) = 2^59 * 3^72 * 5^7[/tex]

To know more about equation visit:

https://brainly.com/question/649785

#SPJ1

The frequency table shows the scores from rolling a dice 10 time 1 1 2 2 3 1 4 2 5 4 6 2 find the mean

Answers

On answering the provided question, we have got that 3.3 is the average  equation result after rolling the dice ten times.

What is equation?

An equation is a mathematical statement that proves the equality of two expressions connected by an equal sign '='. For instance, 2x – 5 = 13. Expressions include 2x-5 and 13. '=' is the character that links the two expressions. A mathematical formula that has two algebraic expressions on either side of an equal sign (=) is known as an equation. It depicts the equivalency relationship between the left and right formulas. L.H.S. = R.H.S. (left side = right side) in any formula.

We must add up all the scores and divide by the total number of rolls in order to determine the mean.

The total of every score is:

1 + 1 + 2 + 2 + 3 + 1 + 4 + 2 + 5 + 4 + 6 + 2 = 33

There are ten rolls in total.

The mean is as a result:

mean = total scores / total rolls = 33 / 10 = 3.3

3.3 is the average result after rolling the dice ten times.

To know more about equation visit:

https://brainly.com/question/649785

#SPJ1

Write tan x in terms of cos x.​

Answers

The written form of tan x in terms of cos x as required to be determined in the task content is; tan x = (√( 1 - cos² x) ) / cos x.

What is tan x in terms of cos x?

As evident from the task content; it is required that tan x be written in terms of cos x.

Hence, recall from trigonometric identities that;

tan x = sin x / cos x

However, since sin² x = 1 - cos² x from ( sin²x + cos²x = 1)

It follows that; sin x = √( 1 - cos² x)

Hence, it can be written that;

tan x = (√( 1 - cos² x ) ) / cos x.

Read more on trigonometric identities;

https://brainly.com/question/1685412

#SPJ1

The table above shows the changes in a country's labor force the increase in the rate of unemployment from 2000 to 2001 is between?
pleasee helppp​

Answers

The increase in the rate of unemployment from 2000 to 2001, given the unemployment figure is between D. 0. 46 % and 0. 49 %.

How to find the increase in unemployment ?

First, find the rate of unemployment in 2000 to be :

= Unemployment number / Total labor force x 100 %

= 3, 503, 917 / 25, 554, 417  x 100 %

= 13.71  %

The rate of unemployment in 2001 was :

= 3, 745, 300 / 26, 416, 800 x 100 %

= 14. 18 %

The increase in the rate of unemployment is:

= 14. 18 - 13. 71

= 0. 47 %

Find out more on rate of unemployment at https://brainly.com/question/14629507

#SPJ1

Keith earns $42.00 in 4 hours. How much would he earn in 11 hours?

Answers

Answer:

115.50

Step-by-step explanation:

Divide 42/4 to find his hourly rate, then multiply the hourly rate by 11, to get 115.50

Answer:

$115.05

Step-by-step explanation:

If he earns $42 in 4 hours than he earns $10.05 in 1 hour

42 / 4 = 10.5

10.5 x 11 = 115.5

If a, b, c, and d are real numbers, which of the following is a statement of the addition property of equality?

Answers

The correct statement is a=b implies that ac=bc.

What is addition property ?

If the real numbers a and b are such that a=b, then their values are equal.

The result of adding c to both sides of the formula a=b is:

a+c = b+c

This is so that the equality of an equation is not altered by adding the same value to both sides.

As a result, if a=b, we can infer that a+c=b+c, meaning that if two real numbers are equal, adding the same value to both would also produce two identical numbers. One of the core characteristics of equality, this holds true for all real numbers.

Learn more about Real numbers here:

brainly.com/question/551408

#SPJ9

now that we have determined that the problem deals with combinations, calculate the number of ways that six letters can be grouped from nine letters total. fill in the blanks below with the correct numbers. provide your answer below:

Answers

Answer : There are 84 different ways that six letters can be grouped from nine letters total.

Now that we have determined that the problem deals with combinations, we can use the formula for combinations to calculate the number of ways that six letters can be grouped from nine letters total. The formula for combinations is:

C(n,k) = n! / (k! * (n-k)!)

Where n is the total number of items, and k is the number of items being chosen. In this case, n = 9 and k = 6. Plugging these values into the formula gives us:

C(9,6) = 9! / (6! * (9-6)!)

C(9,6) = 9! / (6! * 3!)

C(9,6) = 362880 / (720 * 6)

C(9,6) = 362880 / 4320

C(9,6) = 84

Therefore, there are 84 different ways that six letters can be grouped from nine letters total.

Answer: 84.

Know more about combinations here:

https://brainly.com/question/14685054

#SPJ11

Give the factors of the question above. Ex: (h-?)(h+?)

Answers

Answer:

(3h+4)(2h+3)

Step-by-step explanation:

6h^2 + 8h + 9h + 12h

(6h^2+8h) + (9h+12h)

2h(3h+4) + 3(3h+4)

(3h+4)(2h+3)

Answer:

(3h+4) (2h+3)

Step-by-step explanation:

i hope this helps

12 Workers can do a piece of work in 30 days. Find how many workers should be added to finish the work in 24 days?

Answers

The answer is in the attachment given below ...

Thank you :)

The equation of the line I passing through (4, 3) and parallel to d: 4x+ 5y = 1 is l: 16x + by = c. What is the value of b?​

Answers

Answer:

I guess the value be 26x

hope it helps u

mark me brainlist

help please i really appreciate it ​

Answers

Linear
Explain:
Linear is a straight constant line. And if the rate of change is the same. Then it should be constant

Answer:

B linear

Step-by-step explanation:

If the rate of change stayed the same then it has to be a straight line so no C or D, and it cant be A be cause there is a rate of change.

What is the value of x?

Answers

Therefore , the solution of the given problem of triangle comes out to be  x = 15 .

What is a triangle exactly?

A triangular is a polygon because it has two or maybe more additional sections. It has a straightforward rectangular form. A, B, and C are the only three sides that set a triangle apart from a simple triangle. When the boundaries are not exactly collinear, Euclidean geometry results in a singular area instead of a cube. If a shape has three edges and three angles, it is said to be triangular.

Here,

Triangle ABC ,

=> x /5 = x-6/3

=> 3x = 5x - 30

=> 2x = 30

=> x = 30/2

=> x = 15

Therefore , the solution of the given problem of triangle comes out to be   x = 15 .

To know more about triangle visit:

https://brainly.com/question/2773823

#SPJ1

A coffe can is 8 inches high and has a diameter of 6 inches. What isvthe volume of the coffe can rounded to the nearest 10th of a decimal place​

Answers

The volume of the coffee can rounded to the nearest 10th of a decimal place is 226. 08 cubic inches

How to determine the volume

It is important to note that the coffee can takes the shape of a cylinder.

The formula for calculating the volume of a cylinder is expressed with the equation;

V = πr²h

This is so as the parameters are enumerated thus;

V is the volume of the cylinderPie (π) takes the constant value of 3.14 or 22/7r is the radius of the cylinderh is the height of the cylinder

Also, r = diameter/2 = 6/2 = 3 inches

From the information given, we have that;

Volume = 3.14 × (3)² × 8

Multiply the values

Volume = 226. 08 cubic inches

Learn about cylinders at: https://brainly.com/question/76387

#SPJ1

Please answer quick will give 60 points

Answers

Answer: Answers below

Step-by-step explanation:

1. $15.64

2. 5370.28 Yen

3. 13425.70 Yen

4. $100

5. 67128.51 Yen

6.$782.08

Answer: 1: 15 2: 5370 3:13400 4: 160 5: 67100 6: 780

Step-by-step explanation: These are rounded to the nearest 100th

The relationship between the volumes of pyramids and prisms is that when a prism and pyramid have the same base and height, the volume of the pyramid is
the volume of the prism

Answers

The relationship between the volumes of pyramids and prisms is that when a prism and pyramid have the same base and height, the volume of the pyramid is the volume of the prism. This statement is not correct.

When a pyramid and a prism have the same base and height, the volume of the pyramid is one-third ([tex]\frac{1}{3}[/tex]) the volume of the prism.

This can be seen from the formula for the volume of a rectangular prism, which is:

[tex]The volume of the prism = base area x height[/tex]

And the formula for the volume of a rectangular pyramid is:

The volume of the pyramid = [tex]\frac{1}{3}[/tex] x base area x height

Since the base area and height of the pyramid and prism are the same, we can compare their volumes by dividing the volume of the pyramid by the volume of the prism:

[tex]\frac{The volume of pyramid}{Volume of prism}[/tex] = [tex]\frac{1}{3}[/tex] x base area x height/base area x height

Simplifying this expression, we get:

[tex]\frac{The volume of pyramid}{Volume of prism}[/tex] = [tex]\frac{1}{3}[/tex]

Therefore, the volume of a pyramid with the same base and height as a prism is one-third [tex](\frac{1}{3})[/tex] the volume of the prism.

The complete question is:-

The relationship between the volumes of pyramids and prisms is that when a prism and pyramid have the same base and height, the volume of the pyramid is the volume of the prism. True/False.

To learn more about the volume of the pyramid, refer:-

https://brainly.com/question/17615619

#SPJ4

Find the value of x. I’ll give the brainliest.

Answers

Answer:

8.09017

calculations

Which function is the inverse of f(x)= -x^3 -9?

Answers

Answer:

B. [tex]\sqrt[3]{-x-9}[/tex]

Step-by-step explanation:

Switch x and y, and then solve for y.

[tex]y = -x^3-9\\x=-y^3-9\\x+9=-y^3\\-x-9=y^3\\\sqrt[3]{-x-9} =y[/tex]

ackrabbits are capable of reaching speeds up to 40 miles per hour. How fast is this in feet per second? (Round to the earest whole number.)
5,280 feet = 1 mile

Answers

Answer:

Therefore, ackrabbits can reach speeds of approximately 59 feet per second.

Step-by-step explanation:

First, we need to convert miles to feet:

40 miles/hour * 5,280 feet/mile = 211,200 feet/hour

Then, we need to convert hours to seconds:

1 hour = 60 minutes/hour * 60 seconds/minute = 3,600 seconds/hour

211,200 feet/hour / 3,600 seconds/hour = 58.67 feet/second

Rounding to the nearest whole number, we get:

59 feet/second

Therefore, ackrabbits can reach speeds of approximately 59 feet per second.

someone help me
please asap

Answers

Answer:

Step-by-step explanation:

[tex]a)\quad AB[/tex]

[tex]b)\quad AB[/tex]

[tex]c)\quad AC[/tex]

[tex]d)\quad BC[/tex]

[tex]e)\quad BC[/tex]

[tex]f)\quad AC[/tex]

Use the Triangle Angle Sum Theorem to find the measure of the angle on point C.
(1 point)

Answers

Answer:

    m∠4 = 133°

Step-by-step explanation:

Given m∠7 = 37°

Since m∠7 ≅ m∠6 [Vertically opposite angles]

and m∠6 + m∠4 = 180° [Sum of interior angles formed by parallel lines l, m and transverse.]

Therefore, 47°+ m∠4 = 180°

m∠4 = 180 - 47

       = 133°

seppect you are a news fesorter following ten oriminal srials (a) It the bras wten in Jagat, what is the probebsty that al the defendants would be found guity? (found your ansmer to three deomal place

Answers

The probability of all the defendants being found guilty is 1/16. Answer: 1/16.

As per the given information, there is a criminal trial happening in Jagat, and the question is about finding the probability of all the defendants being found guilty. Here's how to solve it:The total number of possible outcomes is 2, since each defendant can either be found guilty (G) or not guilty (NG).So, n(S) = 2 * 2 * 2 * 2 = 16 (since there are 4 defendants)The probability of all the defendants being found guilty can be found as:Probability = Number of favorable outcomes / Total number of possible outcomes Since there are 16 possible outcomes, let's calculate the number of favorable outcomes:All the defendants being found guilty (G G G G) is just one such outcome. Hence, the number of favorable outcomes is 1.The probability can be calculated as:Probability = Number of favorable outcomes / Total number of possible outcomes= 1/16 Hence, the probability of all the defendants being found guilty is 1/16. Answer: 1/16.

Learn more about Probability

brainly.com/question/11034287

#SPJ4

A triangle with a height of 9 inches has an area of 36 square inches. How long is the base of the triangle Plsss show me the process of ur answer! Tyy

Answers

The base of the triangle is 8 centimeters.

Find the mean of the first five natural numbers

Answers

Answer:

The first five natural number are 1, 2, 3, 4 and 5. Hence, the mean of the five natural numbers is 3.

Answer:

3

Step-by-step explanation:

[tex]\frac{1+2+3+4+5}{5}[/tex] =  [tex]\frac{15}{5}[/tex] = 3

The natural numbers are also called the counting numbers.  They are the set of numbers: 1, 2, 3, ....

Helping in the name of Jesus.

Find s9 for the series 1 + 5 + 25 + 125 +.

a. 248, 321

b. 284, 211

c. 488 281

d. 588, 451

Answers

The 9th term of the given series is 588, 451, which can be calculated using the formula for the nth term of an arithmetic progression Tn = a + (n-1)d, where a is the first term and d is the common difference.

The given series is an arithmetic progression with a common difference of 4. The formula for the nth term of an arithmetic progression is given by Tn = a + (n-1)d, where a is the first term and d is the common difference.

Therefore, for the given series, a = 1 and d = 4.

Substituting these values in the above formula, we get

T9 = 1 + (9-1)4

 = 1 + 32

 = 33

Now, adding 33 to each of the terms of the given series, we get

1 + 33 = 34

5 + 33 = 38

25 + 33 = 58

125 + 33 = 158

Therefore, the required 9th term of the series is 588, 451.

Learn more about arithmetic progression here:

https://brainly.com/question/30364336

#SPJ4

A right rectangular container is 10 cm wide and 24 cm long and contains water to a depth of 7cm. A stone is placed in the water and the water rises 2. 7 cm. Find the volume of the stone

Answers

The volume of the stone is 1032 cm³.

The volume of the stone can be calculated using the formula V = lwh. Here, l = 10 cm, w = 24 cm, and h = 2.7 cm. Therefore, the volume of the stone is V = 10 x 24 x 2.7 = 648 cm³.

The volume of the water in the container is calculated using the formula V = lwh. Here, l = 10 cm, w = 24 cm, and h = 7 cm. Therefore, the volume of the water in the container is V = 10 x 24 x 7 = 1680 cm³.

The difference between the volume of the water and the volume of the stone is the volume of the water displaced by the stone, which is V = 1680 - 648 = 1032 cm³. Therefore, the volume of the stone is 1032 cm³.

Learn more about volume here:

https://brainly.com/question/1578538

#SPJ4

Other Questions
It is expected that the number of people who save their money in the U.S. will increase in the near future. At the same time, assume that the Japanese economy experiences a recession. Japan is the fourth-largest trading partner of the United States, and a recession in Japan would reduce U.S. exports to Japan. This reduction would have a negative impact on business confidence in the United States.In the figure below, depict both of these changes (the increase in U.S. savers and the recession in Japan) by shifting the curves. From these events did the interest rate increase or decrease? The overarching goals of macroeconomics are to maximize the standard of living and achieve stable economic growth. The goals are supported by objectives such as minimizing unemployment, increasing productivity, controlling inflation, and more. The macro economy of a country is affected by many forces, and as such, economic indicators are invaluable to assessing different aspects of performance. Distinguish macroeconomic goals and explain each one with a suitable example. according to adam smith how do specialization and the division of labor lead to market exchange I need this right now Please give me a heads up on: Golf OutingYou have been contracted to coordinate the catering for an all-day golf outing for an incentive program, including an upscale luncheon inside a tent at the ninth hole. The 72 participants are the top salespeople for a pharmaceutical company known for its vitamin products, and they expect to be wined and dined extravagantly.1. Luncheon and all-day refreshments for 72 people2. Extravagant yet healthy menu3. Wine at luncheon4. Casual yet upscale service style5. Luncheon in tent, refreshments on course6. Off-premises cateringOutline and describe the food and beverage services you would employ for this event, including the menu(s) and the service style selected. Explain the logistical requirements associated with the food and beverage service and how these will be incorporated into your overall event plan. Find the indicated area under the curve of the standard normal distribution; then convert it to a percentage and fill in the blank. About ______% of the area is between z=3.5 and z=3.5 (or within 3.5 standard deviations of the mean). 5.Reductions in sentences for death row inmates, which are granted by a state's governor,are called:A) appellate reviews.B) habeas corpus petitions.C) commutations.D) proportionality reviews. Please ASAP HelpWill mark brainlest due at 12:00 On Saturday mornings, Ronald volunteers at the hospital where his mother works. One Saturday, he answers phone calls at the information desk while the receptionist is away. Then he spends 40 minutes delivering flowers to patients' rooms. In all, Ronald volunteers at the hospital for 90 minutes that day. Which equation can you use to find the amount of time , that Ronald answers phone calls? Please help me with this assignment. Read the instructions please. I will give stars What model of psychology represents a popular attempt at integration How do you know that President Truman feels strongly about using this new technology responsibly ? Sea Side Enterprises is trying to predict the cost associated with producing its anchors at a production level of 5300 anchors, Sea Side Enterprises average cost per anchor is $57. If $17,000 of the costs are fixed, and the plant manager uses the cost equation to predict total costs, her forecast for 6,000 anchors will be _____. (Round any intermediary calculations to the nearest cent. ) diameter of a circle is 42 ft. Find its area to the nearest whole number. Please help with this How does Juanas identity change when she comes to the U.S and how does she change or worry about what Sebastians family thinks of her in the book Across A hundred mountains? Executives of a supermarket chain are interested in the amount of time that customers spend in the stores during shopping trips. The executives hire astatistical consultant and ask her to determine the mean shopping time, , of customers at the supermarkets. The consultant will collect a random sample ofshopping times at the supermarkets and use the mean of these shopping times to estimate . Assuming that the standard deviation of the population ofshopping times at the supermarkets is 28 minutes, what is the minimum sample size she must collect in order for her to be 95% confident that her estimate iswithin 5 minutes of ?Carry your intermediate computations to at least three decimal places. Write your answer as a whole number (and make sure that it is the minimum wholenumber that satisfies the requirements).(If necessary, consult a list of formulas.) How many dollars would it cost to buy an edinburgh woolen mill sweater costing 50 british pounds if the exchange rate is 1. 50 dollars per one british pound What is the present value of $12,500 to be received 4 years from today if the discount rate is 5 percent? __________ Demand refers to the total quantity of all goods and services consumers for an entire country are willing and able to purchase at each price level in a given period of time. Group of answer choicesAggregateConsumerQuantitySupply and