Which expressions are solutions to the equation (3/4)x = 15? Select all that apply.

Answers

Answer 1

The expressions that are solutions to the equation [tex]\( \frac{3}{4}x = 15 \)[/tex] are A and C

as  [tex]\( \frac{15}{\frac{3}{4}} = 20 \)[/tex] - This is a solution and  [tex]\( \frac{4}{3} \times 15 = 20 \)[/tex] - This is a solution.

Let's solve the equation [tex]\( \frac{3}{4}x = 15 \)[/tex] and then check each expression to see if it is a solution:

1. Solve the equation:

[tex]\[ x = \frac{15}{\frac{3}{4}} \][/tex]

  To divide by a fraction, we can multiply by its reciprocal:

[tex]\[ x = 15 \times \frac{4}{3} = 20 \][/tex]

Now, let's check each expression:

A. [tex]\( \frac{15}{\frac{3}{4}} = 20 \)[/tex] - This is a solution.

 

B. [tex]\( \frac{15}{\frac{4}{3}} \)[/tex] - This expression is equivalent to [tex]\( \frac{15 \times 3}{4} = \frac{45}{4} \)[/tex], not equal to 20.

C. [tex]\( \frac{4}{3} \times 15 = 20 \)[/tex] - This is a solution.

D. [tex]\( \frac{3}{4} \times 15 = 11.25 \)[/tex] - This is not equal to 20.

E. [tex]\( \frac{15}{\frac{3}{4}} \)[/tex] - This is equivalent to expression A, which is a solution.

Therefore, the expressions that are solutions to the equation[tex]\( \frac{3}{4}x = 15 \)[/tex] are A and C.

Complete Question: Which expressions are solutions to the equation 3/4 x=15 ? Select all that apply.

A. frac 15 3/4

B. frac 15 4/3

C. 4/3 · 15

D. 3/4 · 15

E. 15/ 3/4


Related Questions

An ice cream machine produced 52 ice creams per minute. After reconditioning, its speed increased to 65 ice creams per minute. By what percent did the speed of the machine increase?

Answers

Answer:25 %

Step-by-step explanation:

Given

Earlier machine was producing 52 ice cream per minute and

Now it is Producing 65 ice creams per minute

So percentage increase of the machine [tex]=\frac{\text{final-Initial}}{\text{Initial}}\times 100[/tex]

[tex]=\frac{65-52}{52}\times 100[/tex]

[tex]=\frac{13}{52}\times 100[/tex]

[tex]=\frac{1}{4}\times 100=25\ \%[/tex]

So there is increase of 25 % in speed

Which answer is the largest? * 10 points -16 • 8 = -16 ÷ 8 = -16 + 8 = -16 - 8 =

Answers

Answer:

The largest value is -2 from -16/ 8

The largest absolute value is -108  from -16*8

Step-by-step explanation:

Are you asking for the greatest value?

The largest number?

-16 * 8 =   - 108

-16 / 8 = -2

-16 + 8 = -8

-16 - 8 = -24

The largest value is -2 from -16/ 8

The largest absolute value is -108  from -16*8

PLEASEE HELPPP MEEEE

solve for x

ANSWER CHOICES

a= 7
b= 6
c= 2
d= 4

Answers

Answer:

x = 2

Step-by-step explanation:

the 2 given angles are vertical angles, meaning they are equal.

38x-1 = 75

solve the above equation, and x = 2

Answer:

2

Step-by-step explanation:

Those two angles are equal:

75 = 38x - 1

so, add 1 to both

76 = 38x

divide by 38

2 = x

Need help on this question.

Answers

the answer is angles :)

Unit 8: Right Triangles & Trigonometry

Homework 2: Special Right Triangles Questions 17-24

Answers

wheres the picture for the questions

what is the value of x?

Answers

Answer:

see below

Step-by-step explanation:

x and 80 are adjacent, supplementary angles

Supplementary angles add to 180

x+80 =180 degrees

Subtract 80 from each side

x+80-80=180-80

x=100

the value of x is 180

265+353=410
124+312=721
410+204=1676
132+230=1021
211+101=?????​

Answers

Answer:

THIS IS A RIDDLE

Step-by-step explanation:

GO TO THE RIDDLE SECTION

Let σ be portion of the paraboloid z = x 2 + y 2 − 9 lying on and below the xy-plane. Let σ have downward orientation. Let C be its boundary curve, oriented positively with respect to σ. Let F = x − y, x 2 z, y . (a) Evaluate R C F • T ds as a line integral. (b) Use Stokes’ theorem to evaluate R C F • T ds by evaluating an appropriate surface integral.

Answers

Answer:

See explaination

Step-by-step explanation:

Stoke theorem proposes that the surface integral of the curl of a function over any surface bounded by a closed path is equal to the line integral of a particular vector function round that path.

The Stoke Theorem can be used if you see a two dimensional region bounded by a closed curve, or if you see a single integral ie a line integral.

See attached file for further solution.



Finding the Areas of a Rectangular Pyramid's Faces

10 in.

10.4 in.

What are the areas of the faces of the rectangular

pyramid? Select all that apply

12 in 2

24 in 2

30 in.

20.8 in2

60 in.2

61.2 in 2

4 in.

6 in.

Answers

Answer: 24 in.2

30 in.2

20.8 in.2

Step-by-step explanation:

solve for m m+7=3+m+4 iready

Answers

Answer:

m = all real numbers

Step-by-step explanation:

m + 7 = 3 + m + 4m - m = 3 + 4 -70 = 0

Using this equation, you end up with 0 = 0. This means that m is all real numbers.

The Rivera family is taking a cruise that costs $3,082.24 for a family of four. How much does it cost per person?

Answers

It would cost $770.56 per person. Hope this helps!

Which is a perfect square? 6 Superscript 1 6 squared 6 cubed 6 Superscript 5

Answers

Answer:

it is b

Step-by-step explanation:6 square

Answer:

b

Step-by-step explanation:

Find the length of the segment indicated. Round your answer to the nearest tenth if necessary.

Answers

Answer:

Length of x ~ 10.5; Option B

Step-by-step explanation:

1. There are three radii present in this problem. Of that the diamter is supposedly 42.2 units. Given that the radii should be ⇒ 42.2 / 2 ⇒ 21.2 units

2. With that being said the 3rd radii contains parts x and 10.6. By radii congruency, the length of all radii should be the same, so this 3rd radii should = 21.2 units as well. If so, by the Partition Postulate 21.2 = x + 10.6

3. Through algebra let us solve for x:

21.2 = x + 10.6,

x = 21.2 - 10.6,

Answer ~ Length of x: 10.5

The range of Fx) = 7*4^x is all positive real numbers.
A. True
B. False

Answers

Answer:

The answer is A. True

Step-by-step explanation:

The range of Fx) = 7*4^x is all positive real numbers.

hope this helps : )

Calculate the perimeter of this shape.
12 cm
18 cm

Answers

Answer:

[tex] 12 +18 + x+y + z +w[/tex]

In this special case we know that [tex] x+y =12[/tex] and [tex] z+w =18[/tex]  and for this case we can add all the values 12+18 +12+18=60 and that represent the perimeter  

Step-by-step explanation:

For this case we know that the perimeter is given by:

[tex] 12 +18 + x+y + z +w[/tex]

In this special case we know that [tex] x+y =12[/tex] and [tex] z+w =18[/tex]  and for this case we can add all the values 12+18 +12+18=60 and that represent the perimeter  

Jim’s father is older than 40 but younger than 50.If you can divide his age by 2,4,5,8,or 10 ,there will be a remainder of 1. How old is Jim’s father?

Answers

Answer:

Step-by-step explanation:

all you have to do is divide each number by 4, 41, 42, 43, 44, 45, 46, 47, 48, 49 ,and 50 until you get a remainder of 1. what I mean is do 2 divided by all the number from 40 50 and do the same with 4,5,8 and 10 until you find one of them that has a remainder of 1. (is a lot of work sorry could't tell you the anwer)

I NEED HELP WITH MATH !!!

Answers

Ok cccccccccccccccccccccc
That’s hard you should get some help

Jennifer starts with a population of 100 amoebas that doubles in size every minute for a number of minutes, m. She writes the expression 100(2m) to find the number of amoeba after m minutes. Nathan starts with a population of 10 amoebas that increases 40% in size every minute for a number of minutes, m. He writes the expression (1+0.4)m to find the number of amoeba after m minutes. Use the drop-down menus to explain what each part of Jennifer's and Nathan's expressions mean.

Answers

Answer:

100(2m)

(1+0.4)

Nathan=0.4 is the percent added =the 40 percent added to the 10 amoebas

Jennifer=the first equation is how many total amoebas Jennifer has in total

Hope this helps!

Answer:

Hope this helps!

Step-by-step explanation:

2 Points
A baseball league finds that the speeds of pitches are normally distributed,
with a mean of 89 mph and a standard deviation of 2.4 mph. One pitch is
thrown at a speed of 86.2 mph. What is the z-score of this pitch? Round your
answer to two decimal places.
A. -1.17
O O
C. -1.27
O
O D. 1.17

Answers

Answer: -1.17

Step-by-step explanation:

I guessed and got it right

Final answer:

The z-score of a baseball pitch thrown at 86.2 mph is -1.17, calculated using the z-score formula with a mean pitch speed of 89 mph and a standard deviation of 2.4 mph. Thus, option A is correct.

Explanation:

The question asks for the z-score of a baseball pitch thrown at a speed of 86.2 mph, given that the mean speed of pitches is 89 mph with a standard deviation of 2.4 mph. To find the z-score, we use the formula:

Z = (X - μ) / σ

Where Z is the z-score, X is the value in question (86.2 mph), μ is the mean (89 mph), and σ is the standard deviation (2.4 mph).

Plugging in the values, we get:

Z = (86.2 - 89) / 2.4

Z = -2.8 / 2.4

Z = -1.17

Thus, the z-score of the pitch thrown at 86.2 mph is -1.17, rounded to two decimal places.

A sample of 81 tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of 1 to 10, with 10 corresponding to "completely effective" and 1 corresponding to "completely ineffective". The average rating was 5.6 and the standard deviation was 4.6. Construct a 95% confidence interval for the mean score. 5.2 < μ < 6.0 0 < μ < 5.6 4.6 < μ < 6.6 5.1 < μ < 6.1

Answers

Answer:

95% confidence interval for the true mean score is [4.6 , 6.6].

Step-by-step explanation:

We are given that a sample of 81 tobacco smokers who recently completed a new smoking-cessation program were asked to rate the effectiveness of the program on a scale of 1 to 10.

The average rating was 5.6 and the standard deviation was 4.6.

Firstly, the pivotal quantity for 95% confidence interval for the true mean is given by;

                      P.Q. =  [tex]\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }[/tex]  ~ [tex]t_n_-_1[/tex]

where, [tex]\bar X[/tex] = sample average rating = 5.6

            s = sample standard deviation = 4.6

            n = sample of tobacco smokers = 81

            [tex]\mu[/tex] = population mean score

Here for constructing 95% confidence interval we have used One-sample t test statistics as we don't know about population standard deviation.

So, 95% confidence interval for the population mean score, [tex]\mu[/tex] is ;

P(-1.993 < [tex]t_8_0[/tex] < 1.993) = 0.95  {As the critical value of t at 80 degree of

                                            freedom are -1.993 & 1.993 with P = 2.5%}  

P(-1.993 < [tex]\frac{\bar X-\mu}{\frac{s}{\sqrt{n} } }[/tex] < 1.993) = 0.95

P( [tex]-1.993 \times {\frac{s}{\sqrt{n} } }[/tex] < [tex]{\bar X-\mu}[/tex] < [tex]1.993 \times {\frac{s}{\sqrt{n} } }[/tex] ) = 0.95

P( [tex]\bar X-1.993 \times {\frac{s}{\sqrt{n} } }[/tex] < [tex]\mu[/tex] < [tex]\bar X+1.993 \times {\frac{s}{\sqrt{n} } }[/tex] ) = 0.95

95% confidence interval for [tex]\mu[/tex] = [ [tex]\bar X-1.993 \times {\frac{s}{\sqrt{n} } }[/tex] , [tex]\bar X+1.993 \times {\frac{s}{\sqrt{n} } }[/tex] ]

                                            = [ [tex]5.6-1.993 \times {\frac{4.6}{\sqrt{81} } }[/tex] , [tex]5.6+1.993 \times {\frac{4.6}{\sqrt{81} } }[/tex] ]

                                            = [4.6 , 6.6]

Therefore, 95% confidence interval for the true mean score is [4.6 , 6.6].

Lesson 14
Reflecting points page 134
How do I upload a picture to get help with this?

Answers

Answer:

Im pretty sure when your writing a question theres a place where you can upload form computer and add a picture.

Step-by-step explanation:

Hope this helps with future questions!

Use this context for the next 4 questions (Questions 1 - 4): Weight of a rock: In a geology course, students are learning to use a balance scale to accurately weigh rocks. One student plans to weigh a rock 20 times and then calculate the average of the 20 measurements to estimate her rock's true weight. A second student plans to weigh a rock 5 times and calculate the average of the 5 measurements to estimate his rock's true weight. Which student is more likely to come the closest to the true weight of the rock he or she is weighing? (i) The student who weighed the rock 20 times. (ii) The student who weighed the rock 5 times. (iii) Both averages would be equally close to the true weight.

Answers

Answer:

The right answer is:

(i) The student who weighed the rock 20 times.

Step-by-step explanation:

Both students are taking a sample from the population. In this case, the population is all the possible weight that can be measured by the scale they are using.

Independently of the sample size, the sampling distribution mean will be centered in the population mean, so they are estimating the true weight of the rock unbiased.

But the spread of the sampling distribution, measaured by the standard deviation, depends on the sample size.

The bigger the sample, the narrower the sampling distribution is expected o be. So it is more likely to be closer to the true mean with a bigger sample.

The right answer is:

(i) The student who weighed the rock 20 times.

Suppose that $77,000 is invested at 5 1/2% interest, compounded quarterly.

a) Find the function for the amount to which the investment grows after t years.

b) Find the amount of money in the account at t=0,3, 6, and 10 years.

Answers

Answer:

a) [tex]A(t) = 77000(1.01375)^{4t}[/tex]

b)

The amount of money in the account at t = 0 years is $77,000.

The amount of money in the account at t = 3 years is $90,711.

The amount of money in the account at t = 6 years is $106,864.

The amount of money in the account at t = 10 years is $132,961.

Step-by-step explanation:

The compound interest formula is given by:

[tex]A(t) = P(1 + \frac{r}{n})^{nt}[/tex]

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per unit t and t is the time the money is invested or borrowed for.

Suppose that $77,000 is invested at 5 1/2% interest, compounded quarterly.

This means that, respectively, [tex]P = 77000, r = 0.055, n = 4[/tex]

a) Find the function for the amount to which the investment grows after t years.

[tex]A(t) = P(1 + \frac{r}{n})^{nt}[/tex]

[tex]A(t) = 77000(1 + \frac{0.055}{4})^{4t}[/tex]

[tex]A(t) = 77000(1.01375)^{4t}[/tex]

b) Find the amount of money in the account at t=0,3, 6, and 10 years.

[tex]A(0) = 77000(1.01375)^{4*0} = 77000[/tex]

The amount of money in the account at t = 0 years is $77,000.

[tex]A(3) = 77000(1.01375)^{4*3} = 90711[/tex]

The amount of money in the account at t = 3 years is $90,711.

[tex]A(6) = 77000(1.01375)^{4*6} = 106864[/tex]

The amount of money in the account at t = 6 years is $106,864.

[tex]A(10) = 77000(1.01375)^{4*10} = 132961[/tex]

The amount of money in the account at t = 10 years is $132,961.

Final answer:

The function for the investment after t years is [tex]A = 77000(1 + 0.055/4)^{(4t).[/tex] To find the amount in the account at different times, trigger this function with the desired time intervals.

Explanation:

The subject of the questions is about compound interest which belongs to the finance section of Mathematics.
To solve problems related to compound interest, a simple formula can be used: [tex]A = P(1 + r/n)^{(nt)[/tex] where A is the amount of money accumulated after n years, including interest, P is the principal amount (the initial amount of money), r is the annual interest rate (in decimal), n is the number of times that interest is compounded per year, and t is time the money is invested for in years.

a) First, identify the variables from the question:[tex]P = $77000, r = 5.5/100 = 0.055[/tex](convert the percentage to a decimal), n = 4 (since interest is compounded quarterly).
We can now plug these values into our formula to determine the function: [tex]A = 77000(1 + 0.055/4)^{(4t).[/tex]

b) To find the amount of money in the account at different time intervals, plug the specified values for t into the function. For t = 0, 3, 6, 10 years, simply replace t in A with each of these time intervals and calculate the resulting A.

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In ΔWXY, w = 880 cm, ∠X=33° and ∠Y=38°. Find the length of y, to the nearest centimeter.

Answers

Answer:

[tex]y\approx573cm[/tex]

Step-by-step explanation:

First, take a look to the picture that I attached,  however please note the triangle is not drawn to scale, the figure is just to provide visual aid. As you can see the value of [tex]\angle W =109^{\circ}[/tex] this is because of the sum of the interior angles in a triangle is always equal to 180°. So:

[tex]\angle W + \angle X + \angle Y =180\\\\\angle W = 180- \angle X -\angle Y\\\\\angle W =180-38-33\\\\\angle W=109[/tex]

Now, we can use the law of sines, which states:

[tex]\frac{w}{sin(W)} =\frac{x}{sin(X)} =\frac{y}{sin(Y)}[/tex]

Hence:

[tex]\frac{w}{sin(W)} =\frac{y}{sin(Y)}\\\\\frac{880}{sin(109)} =\frac{y}{sin(38)}\\\\Solving\hspace{3}for\hspace{3}y\\\\y=\frac{880*sin(38)}{sin(109)} \\\\y=572.9999518\approx 573 cm[/tex]

Answer:

573 cm

Step-by-step explanation:

0.25 + 1 + 4 + 16 + 64 Select the explicit formula for the sequence.

Answers

Answer:

Formula could be :: (N)4 with n being the number

Step-by-step explanation:

Answer:

It's B) 0.25 * 4^n-1 and third one is B

Step-by-step explanation:

Find the measure of the supplement of the angle.Find the supplement of 7°.

Answers

Answer:

173

Step-by-step explanation:

Same thing as last time, just instead of 90, it's 180.

Graph the Plane Curve defined by:

x=3cos(t)−t+5, y=sin(t), for t in [0,3π]

Answers

Step-by-step explanation:

Evaluate the following integral in spherical coordinates. ModifyingBelow Integral from nothing to nothing Integral from nothing to nothing Integral from nothing to nothing With Upper D (x squared plus y squared plus z squared )Superscript 3 divided by 2 Baseline font size decreased by 4 dV​; D is the unit ball centered at the origin Set up the triple integral using spherical coordinates that should be used to evaluate the given integral as efficiently as possible. Use increasing limits of integration.

Answers

Answer:

Check the explanation

Step-by-step explanation:

Kindly check the attached image below for the full explanation to the above question.

The final expression for the triple integral in spherical coordinates is:

[tex]\int\limits^{2\pi}_0\int\limits^{\pi /2}_0 \int\limits^1_0[/tex]ρ⁴ sin(φ) dρ dφ dθ

To evaluate the given integral efficiently in spherical coordinates, we'll set up the triple integral over the unit ball centered at the origin. The integral represents the volume element for a sphere, which we can express in spherical coordinates as follows:

∭D (x² + y² + z²)^(3/2) dV

In spherical coordinates, the volume element dV is given by:

dV = ρ² sin(φ) dρ dφ dθ

Here, ρ represents the radial distance from the origin, φ represents the polar angle (measured from the positive z-axis), and θ represents the azimuthal angle (measured from the positive x-axis in the xy-plane).

The limits of integration for the triple integral in spherical coordinates can be set as follows:

ρ: 0 to 1 (since D is the unit ball, ρ ranges from 0 to the radius of the sphere, which is 1)

φ: 0 to π/2 (since we only need to consider the upper half of the sphere)

θ: 0 to 2π (covering a full revolution around the z-axis)

Now, we can express the integral using these limits and the volume element:

∭D (x² + y² + z²)[tex]^{(3/2)[/tex] dV

= ∫[0 to 2π] ∫[0 to π/2] ∫[0 to 1] (ρ²)[tex]^{(3/2)[/tex] (ρ² sin(φ)) dρ dφ dθ

Simplifying the integrand:

(ρ²)[tex]^{(3/2)[/tex] (ρ² sin(φ)) = ρ³ ρ sin(φ) = ρ⁴ sin(φ)

Therefore, the final expression for the triple integral in spherical coordinates is:

[tex]\int\limits^{2\pi}_0\int\limits^{\pi /2}_0 \int\limits^1_0[/tex]ρ⁴ sin(φ) dρ dφ dθ

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Math

If A+B+C=pi then prove that cos3A.cos3B+cos3B.cos3C+cos3C.cos3A=1

Answers

Step-by-step explanation:

Given:

A+B+C= π

<=> 3A+3B+3C = 3π

<=> cos(3A+3B) = - cos3C

<=> cos3A.cos3B-sin3A.sin3B = - cos3C

<=> cos3A.cos3B = sin3A.sin3B  - cos3C (1)

similarly  apply for the other two angles, we have:

cos3B.cos3C = sin3B.sin3C  - cos3A  (2) cos3C.cos3A = sin3C.sin3A  - cos3B  (3)

Grouping three equations, (1) + (2) + (3), we have:

<=> cos3A.cos3B+cos3B.cos3C+cos3C.cos3A = sin3A.sin3B + sin3B.sin3C + sin3C.sin3A - ( cos3A  + cos3B + cos3C )

= 1  

Hope it can find you well.

Using the sum of angles in a triangle and cosine identities, we proved that cos(3A)cos(3B) + cos(3B)cos(3C) + cos(3C)cos(3A) equals 1.

Given that A + B + C = π, we will use trigonometric identities and properties to prove the required equation.

Recall that A + B + C = π implies that A, B, and C are angles of a triangle.We can use the trigonometric identity for the cosine of a sum of angles. Specifically, for any angle θ, cos(π - θ) = -cos(θ).Consider the expression for the sum of angles, we have cos(3(A+B+C)) = cos(3π). Since cos(3π) = -1, this simplifies to cos(3A + 3B + 3C) = -1.Using the triple angle formula for cosine, we know that cos(3x) = 4cos³(x) - 3cos(x). Applying this to each term, we have:cos(3A) = 4cos³(A) - 3cos(A)cos(3B) = 4cos³(B) - 3cos(B)cos(3C) = 4cos³(C) - 3cos(C)By symmetry and considering the angles sum up to π, we simplify the expression cos(3A)cos(3B) + cos(3B)cos(3C) + cos(3C)cos(3A) using cos(π - θ) = -cos(θ).Finally, given the periodic and symmetrical nature of the cosine function in this specific triangular setup, it can be shown algebraically or verified computationally (or by specific known identities for triangle angles) that the overall summation leads to the result of 1.

Hence, we have proven that cos(3A)cos(3B) + cos(3B)cos(3C) + cos(3C)cos(3A) = 1 for angles A, B, and C summing up to \pi.

g In American roulette, the wheel has the 38 numbers, 00, 0, 1, 2, ..., 34, 35, and 36, marked on equally spaced slots. If a player bets $1 on a number and wins, then the player keeps the dollar and receives an additional $35. Otherwise, the dollar is lost. Calculate the expected value for the player to play one time. Round to the nearest cent.

Answers

Final answer:

The expected value for the player to play one time in American roulette is -$0.05. This suggests that, on average, the player can expect to lose $0.05 every time they play the game.

Explanation:

The expected value for the player to play one time in American roulette can be calculated by multiplying the probability of winning by the amount the player wins and subtracting the probability of losing. In this case, the probability of winning is 1/38, since there is one winning number out of the 38 possibilities. The amount the player wins is $35. The probability of losing is 37/38, since there are 37 losing numbers out of the 38 possibilities. Using these values, the expected value can be calculated as follows:



Expected value = (1/38 * $35) - (37/38 * $1) = -$0.0526



Rounded to the nearest cent, the expected value is -$0.05. This means that, on average, the player can expect to lose $0.05 every time they play the game.

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The expected value for a player betting on a single number in American roulette is approximately -$0.03, indicating an average loss of 3 cents per play.

The question asks for the calculation of the expected value for a player betting on a single number in American roulette.

To find the expected value, we consider the winnings and the probability of winning.

In American roulette, there are 38 equally spaced slots with the numbers 00, 0, and 1 through 36, which means the probability of winning for a player when betting on a specific number is 1/38, and the probability of losing is 37/38.

The payoff for a win is $35 plus the return of the original $1 bet, for a total of $36. If the bet is lost, the player loses their $1 bet.

Using these payouts and their associated probabilities, we can calculate the expected value (EV) as follows:

→ EV = (Probability of Winning) × (Winning Amount) + (Probability of Losing) × (Loss Amount)

→ EV = (1/38) × $36 - (37/38) × $1

To calculate the exact value:

→ EV = (1/38) × 36 - (37/38) × 1

→ EV ≈ 0.9474 - 0.9737

→ EV ≈ -$0.0263

When rounding to the nearest cent, the expected value is approximately -$0.03. This means, on average, the player will lose about 3 cents per play.

Other Questions
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