A fair 6-sided die is rolled five times. What is the probability that the sequence of rolls is 2, 6, 1, 4, 5? Write your answer as a fraction or a decimal, rounded to four decimal places. The probability that the sequence of rolls is 2, 6, 1, 4, 5 is 8

Answers

Answer 1

The probability that the sequence of rolls is 2, 6, 1, 4, 5 is 1/7776, or as a decimal rounded to four decimal places, it is approximately 0.0001.

To find the probability that the sequence of rolls is 2, 6, 1, 4, 5 when a fair 6-sided die is rolled five times, we can use the following steps:
1. Since there are 6 sides on a fair die, the probability of rolling any specific number is 1/6.
2. The probability of rolling a specific sequence of numbers is the product of the probabilities of rolling each number in that sequence.
3. In this case, the sequence is 2, 6, 1, 4, 5. The probability of rolling each number in this sequence is 1/6.
So, to calculate the probability of the sequence 2, 6, 1, 4, 5, we multiply the probabilities of each individual roll:

(1/6) * (1/6) * (1/6) * (1/6) * (1/6) = 1/7776

Rounded to four decimal places, the probability is approximately 0.0001. Therefore, the probability that the sequence of rolls is 2, 6, 1, 4, 5 is 0.0001, or 1/7776 as a fraction.

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Related Questions

In a certain baseball league, fly balls go an average of 250 feet with a standard deviation of 50 feet. What percent of fly balls go between 250 and 300 feet? Write your answer as a number without a percent sign (like 25 or 50)

Answers

Approximately 34.13% of fly balls go between 250 and 300 feet.

To find the percentage of fly balls that go between 250 and 300 feet, we'll use the z-score formula and standard normal distribution table

Calculate the z-scores for both 250 and 300 feet:

For 250 feet (the mean):
z = (X - μ) / σ
z = (250 - 250) / 50
z = 0

For 300 feet:
z = (X - μ) / σ
z = (300 - 250) / 50
z = 1

Use the standard normal distribution table to find the probability between these z-scores:

P(0 < z < 1) = P(z < 1) - P(z < 0)
P(z < 1) ≈ 0.8413 (from the table)
P(z < 0) = 0.5 (since it's the mean)

Subtract the probabilities:

Percentage = (0.8413 - 0.5) × 100

Percentage ≈ 34.13

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A
B
D
C
If m/ABC= 140°, and m then m

Answers

The calculated value of the measure of the angle DBC is 104 degree

Calculating the measure of the angle ABD

From the question, we have the following parameters that can be used in our computation:

∠angle ABC = 140 °

∠angle DBC = 36 °

Using the sum of angles theorem, we have

∠angle DBC + ∠angle ABD = ∠angle ABC

Substitute the known values in the above equation, so, we have the following representation

∠angle DBC + 36 = 140

Evaluate the like terms

So, we have

∠angle DBC = 104

Hence, the measure of the angle DBC is 104 degree

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Complete question

If m∠angle ABC = 140 ° , and m∠angle DBC=36 ° then m∠angle ABD

a 0.5-kg mass suspended from a spring oscillates with a period of 1.5 s. how much mass must be added to the object to change the period to 2.0 s?

Answers

To change the period of oscillation from 1.5 s to 2.0 s, you need to add 0.753 kg of mass to the initial 0.5-kg mass. Any physical body's fundamental characteristic is mass. Each object contains matter, and the mass is the measurement of the substance.

To find out how much mass must be added to the 0.5-kg mass suspended from a spring to change the period from 1.5 s to 2.0 s, follow these steps:

1. Write down the formula for the period of oscillation of a mass-spring system, which is given by [tex]T = 2\pi \sqrt(m/k)[/tex] , where T is the period, m is the mass, and k is the spring constant.

2. Determine the initial period (T1) and mass (m1): T1 = 1.5 s and m1 = 0.5 kg.

3. Calculate the spring constant using the initial period and mass. Rearrange the formula to solve for k:

[tex]k = m1/[T1/(2\pi )]^2.[/tex]

Plug in the values:

[tex]k = 0.5 kg / [1.5 s / (2\pi )]^2 \approx 1.178 kg/s^{2}[/tex]

4. Determine the desired period (T2): T2 = 2.0 s.

5. Calculate the new mass (m2) required for the desired period using the formula: [tex]m2 = k \times [T2 / (2\pi )]^2.[/tex]

Plug in the values: [tex]m2 = 1.178 kg/s^{2}  \times [2.0 s / (2\pi )]^2 \approx 1.253 kg.[/tex]

6. Find the additional mass needed: [tex]\Delta m = m2 - m1 = 1.253 kg - 0.5 kg = 0.753 kg.[/tex]

So, to change the period of oscillation from 1.5 s to 2.0 s, you need to add 0.753 kg of mass to the initial 0.5-kg mass.

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The ratio of the surface areas of two similar cylinders is 16/25. The radius of the circular base of the larger cylinder is 0.5 centimeters.


What is the radius of the circular base of the smaller cylinder?


Drag a value to the box to correctly complete the statement.

options are .16, .2, .4, and .64

Answers

The radius of the smaller circular base of the cylinder is 0.3225 cm which is nearly equal to 0.4 cm.

What is the radius of the circular base of the smaller cylinder?

The ratio of two identical cylinders' surface areas is equal to the square of the ratio of their corresponding linear dimensions. In other words, if the surface area ratio of two comparable cylinders is a/b, then the radius ratio is (a/b).

Let r1 be the radius of the smaller cylinder's circular base and r2 be the radius of the larger cylinder's circular base. We know that their surface area ratio is 16/25, so:

[tex](r2^2/r1^2) = 16/25[/tex]

We also know that r2 = 0.5 cm, so we can plug that into the equation to find r1:

[tex](0.5^2/r1^2) = 16/25r1^2 = (0.5^2) * (25/16)[/tex]

r1 = 0.3125 cm

As a result, the radius of the smaller circular base of the cylinder is 0.3225 cm which is nearly equal to 0.4cm.

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An insurance company is issuing 16 independent car insurance policies. If the probability for a claim during a year is 15 percent. What is the probability (correct to four decimal places) that there will be at least two claims during the year?

Answers

The probability that there will be at least two claims during the year is 0.6662.

The probability of no claims during a year is (0.85)^16 = 0.0742. Therefore, the probability of at least one claim is 1 - 0.0742 = 0.9258.

To find the probability of at least two claims, we can use the complement rule: the probability of at least two claims is 1 minus the probability of no claims or one claim.

The probability of exactly one claim is

P(one claim) = 16C1 * (0.15)^1 * (0.85)^15 = 0.2596

So the probability of at least two claims is

P(at least two claims) = 1 - P(no claims) - P(one claim)

= 1 - 0.0742 - 0.2596

= 0.6662 (rounded to four decimal places)

Therefore, the probability during the year is 0.6662.

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Is 23.2 greater than 156

Answers

Answer:

no

Step-by-step explanation:

23.2 < 156

no since it depends on the decimal point the whole number alone for 23.2 is 23 the whole number for 156 is 156 therefore no 156 is not greater

If sin θ = 45 4 5 and 2 π 2 < θ < 32 3 π 2 , what is the value of tan θ?

Answers

If sin θ = 45 4 5 and 2 π 2 < θ < 32 3 π 2 , the value of tan(θ) is 1125/sqrt(23).

How to find the value oftan(θ)

First, we need to find the value of cos(θ) since we know sin(θ).

sin²(θ) + cos²(θ) = 1

cos²(θ) = 1 - sin²(θ)

cos(θ) = sqrt(1 - sin²(θ))

cos(θ) = sqrt(1 - (45/4)^2/5^2)

cos(θ) = sqrt(1 - (2025/1600))

cos(θ) = sqrt(575/1600)

cos(θ) = sqrt(23)/20

Now, we can find the value of tan(θ).

tan(θ) = sin(θ)/cos(θ)

tan(θ) = (45/4)/sqrt(23)/20

tan(θ) = (45/4) * (20/sqrt(23))

tan(θ) = (225/2) * (1/sqrt(23))

tan(θ) = (225/2) * (sqrt(23)/23)

tan(θ) = 1125/sqrt(23)

Therefore, the value of tan(θ) is 1125/sqrt(23).

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when dependent samples are used to test for differences in the means, we compute paired differences. group startstrue or falsetrue, unselectedfalse, unselectedgroup ends

Answers

The given statement, "When dependent samples are used to test for differences in the means, we compute paired differences" is true. When dependent samples are used to test for differences in means, we compute paired differences.

The reason is that dependent samples have a natural pairing, such as in a pre-test/post-test scenario or when two measurements are taken on the same individual or group. By subtracting one measurement from the other, we obtain a paired difference, which reflects the change or difference between the two measurements for each pair. This allows us to control for individual differences and variability between groups, making the test more powerful and sensitive to detecting a true difference.

The paired differences can then be used to calculate the sample mean difference, a standard deviation of the differences, and a t-statistic for a paired samples t-test.

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1. A group of friends traveled at a constant rate. They traveled of a mile in of an hour.
Which of the following statements are true about this unit rate? Select all that apply.
A. Divide by to find the unit rate per hour.
B. The average speed will be less than 1 mile per hour because the group travels less than
a fourth of a mile in of an hour.
The group traveled at an average speed of 1-miles per hour.
D. The average speed will be greater than I mile per hour because the group travels more
than a fourth of a mile in-of an hour.
The group traveled at an average speed of 2 of a miles per hour.

Answers

Answer:

A

Step-by-step explanation:

Answer: they travel really fast

Step-by-step explanation:B. The average speed will be less than 1 mile per hour because the group travels less than

state the zeros of the polynomial (include multiplicity): f(x) = (x+9)(x-1)³(2x + 5)​.

Answers

the answers are -9, 1, or 2.5

The zeros of the polynomial are,

⇒ - 9, 1, 1, 1, - 5/2

What is mean by Function?

A relation between a set of inputs having one output each is called a function. and an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).

Given that;

The function is,

⇒ f (x) = (x + 9) (x - 1)³ (2x + 5)

Now, We get;

The value of zeros of the polynomial are,

⇒ (x + 9) = 0

⇒ x = - 9

⇒ (x - 1)³ = 0

⇒ x = 1, 1, 1

⇒ (2x + 5) = 0

⇒ x = - 5/2

Thus, The zeros of the polynomial are,

⇒ - 9, 1, 1, 1, - 5/2

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The owner of the shop says,
"If I halve the number of snacks available, this will halve the number
of ways to choose a meal deal."
The owner of the shop is incorrect.
(b) Explain why.

Answers

Answer:

d

Step-by-step explanation:

n^2=9n-20 solve using the quadratic formula PLEASE HELP

Answers

Answer:

N= 5, and 4

Step-by-step explanation:

I put the equation into a website calculator called math-way. com.

I told it to solve using the quadratic formula.

given the matrix a=[a25a−840−7a], find all values of a that make det(a)=0. give your answer as a comma-separated list. values of a:

Answers

The values of a that make det(A) = 0 are 0 and -50.The answer: Values of a: 0, -50

To find all values of a that make det(a) = 0 for the matrix A = [a, 25, a; -8, 4, 0; 0, -7, a], we need to first calculate the determinant of the matrix and then solve for a.

Step 1: Calculate the determinant of matrix A:
det(A) = a*(4*a - 0) - 25*(-8*a - 0) + a*(0 - (-7*0))
det(A) = a*(4a) - 25*(-8a)
det(A) = 4a^2 + 200a

Step 2: Solve for a when det(A) = 0:
0 = 4a^2 + 200a
0 = 4a(a + 50)

Step 3: Solve for a:
Case 1: 4a = 0 => a = 0
Case 2: a + 50 = 0 => a = -50

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The values of a that make det(A) = 0 are 0 and -50.The answer: Values of a: 0, -50

To find all values of a that make det(a) = 0 for the matrix A = [a, 25, a; -8, 4, 0; 0, -7, a], we need to first calculate the determinant of the matrix and then solve for a.

Step 1: Calculate the determinant of matrix A:
det(A) = a*(4*a - 0) - 25*(-8*a - 0) + a*(0 - (-7*0))
det(A) = a*(4a) - 25*(-8a)
det(A) = 4a^2 + 200a

Step 2: Solve for a when det(A) = 0:
0 = 4a^2 + 200a
0 = 4a(a + 50)

Step 3: Solve for a:
Case 1: 4a = 0 => a = 0
Case 2: a + 50 = 0 => a = -50

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evaluate the triple iterated integral. 2 0 1 0 2 −1 xyz5 dx dy dz

Answers


The value of the triple iterated integral is  63/36.

Here is the step by step explanation

To evaluate the triple iterated integral ∫(from -1 to 2) ∫(from 0 to 1) ∫(from 0 to 2) xyz^5 dx dy dz, first we  integrate with respect to  the x:

∫(from -1 to 2) ∫(from 0 to 1) [(x^2y^2z^5)/2] (from 0 to 2) dy dz.

Now, integrate with respect to  the y:

∫(from -1 to 2) [(y^3z^5)/6] (from 0 to 1) dz.

Finally, integrate with respect to the z:

[(z^6)/36] (from -1 to 2).

Now, substitute the limits of  the integration:

[((2^6)/36) - ((-1)^6)/36] = (64/36) - (1/36) = 63/36.

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given a variable, z, that follows a standard normal distribution., find the area under the standard normal curve to the left of z = -0.94 i.e. find p(z <-0.94 ).

Answers

The area under the standard normal curve to the left of z = -0.94 is 0.1744 or P(Z < -0.94) = 0.1744.

Find the area under the standard normal curve to the left of z = -0.94, i.e. find P(Z < -0.94)?

To find the area under the standard normal curve to the left of z = -0.94, i.e., P(Z < -0.94), you can use a standard normal table or a calculator.

Using a standard normal table:

Locate the row corresponding to the tenths digit of -0.9, which is 0.09, in the body of the table.

Locate the column corresponding to the hundredths digit of -0.94, which is 0.04, in the left margin of the table.

The intersection of the row and column gives the area to the left of z = -0.94, which is 0.1744.

Using a calculator:

Use the cumulative distribution function (CDF) of the standard normal distribution with a mean of 0 and a standard deviation of 1.

Enter -0.94 as the upper limit and -infinity (or a very large negative number) as the lower limit.

The calculator will give you the area to the left of z = -0.94, which is 0.1744.

Therefore, the area under the standard normal curve to the left of z = -0.94 is 0.1744 or P(Z < -0.94) = 0.1744.

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Verify distributive property of multiplication.
a = 4.
b = (-2)
c = 1​

Answers

Given values satisfy the Distributive property of multiplication by -4=-4.

The Distributive Property of multiplication says that the multiplication of a group of numbers that will be added or subtracted is always equal to the subtraction or addition of individual multiplication.

To verify the given Distributive property of multiplication,

Given a = 4, b = (-2) and c = 1

The expression for the Distributive Property of multiplication is A(B+C) = AXB + AXC. So by substituting those values in the equation we get,

4((-2)+1) = 4x(-2) + 4x1

4(-1) = -8 + 4

-4 =  -4

So, by the above verification, we conclude that the given values satisfy the Distributive Property of Multiplication.

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consider the following function. function factors f(x) = x4 − 7x3 5x2 31x − 30 (x − 3), (x+ 2). (a) Verify the given factors of f(x). (b) Find the remaining factor(s) of f(x). (Enter your answers as a comma-separated list.) (c) Use your results to write the complete factorization of f(x). (d) List all rea

Answers

To verify the given factors of f(x), we can use the factor theorem, which states that if (x-a) is a factor of f(x), then f(a) = 0. Using this, we can check that f(3) = 0 and f(-2) = 0, which confirms that (x-3) and (x+2) are indeed factors of f(x).

a) The given factors of f(x) are (x-3) and (x+2).

b) To find the remaining factor(s) of f(x), we can divide f(x) by (x-3) and (x+2) using long division or synthetic division. Doing this, we get:
f(x) = (x-3)(x+2)(x^2 - 5x + 6)

c) The complete factorization of f(x) is (x-3)(x+2)(x-2)(x-3).

d) The real roots of f(x) can be found by setting each factor equal to zero and solving for x. Thus, the real roots are x=3 and x=-2.

To find the remaining factor(s) of f(x), we can use long division or synthetic division to divide f(x) by (x-3) and (x+2). This gives us the quadratic factor (x^2 - 5x + 6), which we can factor further as (x-2)(x-3). Thus, the complete factorization of f(x) is (x-3)(x+2)(x-2)(x-3).

To find the real roots of f(x), we can set each factor equal to zero and solve for x. This gives us x=3 and x=-2, which are the only real roots of f(x).

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4. When you convert from feet to inches, you are doing which of the following?

changing the measurement unit

Determining mass

Determining capacity

Determining volume

Answers

Answer:

A) Changing the measurement unit.

Step-by-step explanation:

"Changing the measurement unit" is the correct answer because when you convert from feet to inches, you are essentially changing the unit of measurement from a larger unit (feet) to a smaller unit (inches) within the same system of measurement (length or distance). It involves multiplying the value in feet by a conversion factor to obtain the equivalent value in inches. This process is commonly used in math, science, and everyday life when dealing with different units of measurement.

5 yr car loan 15,000 6% compound annually how much will she pay total

Answers

The amount paid as a car loan is $19,500 at 6% compounded annually of the principal amount of $15,000.

The Amount is calculated by [tex]A=P(1+\frac{r}{n} )^{nt}[/tex]

where A is the Amount

P is the Principal

r is the Interest rate (in decimals)

n is the frequency at which the interest is compounded per year

t is the Time duration

According to the question,

Principal = $15,000

interest rate = 6% compound annually

Since interest is compounded annually, n =1

Time duration = 6 years

Therefore,

[tex]A= 15,000*(1+\frac{0.06}{1})^{1*5}\\ = 15,000*(1+0.06)^{5}\\= 15,000*(1.06)^{5}\\= 15,000*1.3\\= 19,500[/tex]

Hence, the amount paid is $19,500.

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How many ordered pairs (A, B), where A, B are subsets of {1,2,3,4,5} have:
1. A ∩ = ∅
2. A U B = {1,2,3,4,5}

Answers

There are 32 possible ordered pairs (A,B ) subset  that satisfy both conditions.

What is subset?

A set that only includes members from other sets is said to be a subset. In other words, set A is a subset of set B if each element of set A is also an element of set B. A is a subset of B, for instance, if A = 1, 2 and B = 1, 2, 3, since each element of A (1 and 2) is also an element of B.

A and B do not share any elements in the first criterion, which means that they are distinct entities.

Since A and B are subsets of 1,2,3,4,5, each element of 1,2,3,4,5 can only be in one of these two subsets, not both. The number of ordered pairs (A,B) that meet this requirement is 25 = **32**.

When it comes to the second criterion, A U B = 1, 2, 3, and 5, which indicates that A and B collectively contain all the components of 1, 2, 3, and 5. Since A and B don't share any elements (per the first criterion), each of the elements in 1,2,3,4,5 can only be found in one of A or B, not both. The number of ordered pairs (A,B) that meet both requirements is 25 = **32**.

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Evaluate the integral by changing to cylindrical coordinates
Image for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;sqrt(X2+y2)dzdydx
-3Image for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;xImage for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;3 ; 0Image for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;yImage for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;sqrt(9-x2) ; 0Image for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;zImage for Evaluate the integral by changing to cylindrical coordinates < = 9-x^2-y^2 < = z < = sqrt(9-x^2) ;9-x2-y2

Answers

The integral by changing to cylindrical coordinates Image for Evaluate the integral by changing to cylindrical coordinates < = 9[tex]x^2-y^2[/tex] < = z < = [tex]\sqrt{(9-x^2) }[/tex];[tex]\sqrt{(X^2+y^2)}[/tex]dzdydx . the value of the integral is 0.

To change to cylindrical coordinates, we use the following formulas:

x = r cos(theta)

y = r sin(theta)

z = z

where r is the distance from the origin to the point (x, y) in the xy-plane, and theta is the angle between the positive x-axis and the line segment connecting the origin to the point (x, y) in the xy-plane.

The region of integration is given by:

[tex]x^2 + y^2 < = 9 - z^2[/tex]

z <= sqrt(9 - [tex]x^2[/tex])

In cylindrical coordinates, the first inequality becomes:

[tex]r^2 < = 9 - z^2[/tex]

and the second inequality becomes:

z <= sqrt(9 - r^2 cos^2(theta))

We also need to express the differential element dV = dx dy dz in terms of cylindrical coordinates:

dV = r dz dr dtheta

Substituting everything into the integral, we get:

∫∫∫ (9 -[tex]x^2 - y^2[/tex]) dz dy dx

= ∫∫∫ (9 - [tex]r^2[/tex] [tex]cos^2[/tex](theta) - [tex]r^2 sin^2[/tex](theta)) r dz dr dtheta

= ∫[tex]0^2[/tex]π ∫[tex]0^3[/tex] ∫0^sqrt(9-[tex]r^2[/tex][tex]cos^2[/tex](theta)) (9 - [tex]r^2[/tex]) r dz dr dtheta

We can integrate with respect to z first:

∫[tex]0^2[/tex]π ∫[tex]0^3[/tex] [z(9 - [tex]r^2[/tex])] |z=0 dz dr dtheta

= ∫[tex]0^2[/tex]π ∫[tex]0^3[/tex] (9r -[tex]r^3[/tex]) dr dtheta

= ∫[tex]0^2[/tex]π [(81/4) - (81/4)] dtheta

= 0

Therefore, the value of the integral is 0.

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emma solved a problem on graphing linear inequalities as shown below she made a mistake what mistake did she make what should she have done instead explain her error and explain how you would graph y > 1/4 x - 2

Answers

The graph of the given inequality is as attached below.

How to graph Inequalities?

The general formula for the equation of a line in slope intercept form is:

y = mx + c

where:

m is slope

c is y-intercept

We are given the inequality equation:

y > ¹/₄x - 2

Using the slope intercept form, we have the slope as 1/4 and the y-intercept as -2.

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Consider the following minimization problem: Minimize P = 5w1 + 15w2 subject to 2w1 +5w> 10
2w +3w2 > 2 Write down the initial simplex tableau of the corresponding dual problem.

Answers

The initial simplex tableau of the corresponding dual problem is:
[ 2  2  1  0  0  5
 5  3  0  1  0 15
-1 -2  0  0  1  0 ]

To find the initial simplex tableau of the dual problem, first transform the minimization problem into its dual form, which will be a maximization problem.


1. Rewrite the minimization problem as:
  Minimize P = 5w₁ + 15w₂
  subject to:
  2w₁ + 5w₂ ≥ 1
  2w₁ + 3w₂ ≥ 2

2. Transform the problem into its dual form (a maximization problem):
  Maximize Q = y₁ + 2y₂
  subject to:
  2y₁ + 2y₂ ≤ 5
  5y₁ + 3y₂ ≤ 15

3. Write down the initial simplex tableau for the dual problem:
  [ 2  2  1  0  0  5
    5  3  0  1  0 15
   -1 -2  0  0  1  0 ]

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30 POINTS!!! PLS HURRY!!! Lisa loves to wear socks with crazy patterns. She finds a great deal for these kinds of socks at her favorite store, Rock Those Socks.


There is a proportional relationship between the number of pairs of socks that Lisa buys, x, and the total cost (in dollars), y.


What is the constant of proportionality?

A: 4

B: 2

C: 1

D: 0.5

Please only answer if you know it. I hope you have a great day and Happy Easter!!! 4/10/2023

Answers

Answer:

2

Step-by-step explanation:

The constant of proportionality is given by the formula k=y/x, so

8/4=2

10/5=2

18/9=2

20/10=2

We see that the constant of proportionality=2

Hope this helps!

The constant of proportionality is 2.

The correct option is B.

What is Constant of Proportionality?

When two variables are directly or indirectly proportional to one another, their relationship can be expressed using the formulas y = kx or y = k/x, where k specifies the degree of correspondence between the two variables. The proportionality constant, k, is often used.

We have,

x pair of socks and y is the total cost in dollar.

Using Constant of Proportionality

y = kx

put from the table y= 8 and x= 4

8 = k (4)

k= 8/4

k = 2

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need help with part B.

Answers

Answer:

(2,1)

Step-by-step explanation:

as u can see by eyeballing it that P is on y 1 and on 2 x I hope this helps have a great day please mark as brainliest

use the linear approximation to estimate (2.98)2(2.02)2
Compare with the value given by a calculator and compute the percentage error:
Error = %

Answers

The percentage error is approximately 0.0042%.

To use linear approximation, we first need to find a "nice" point close to the values we want to multiply. Let's choose 3 and 2 as our nice points since they are easy to square.

We can then write:

(2.98)² ≈ (3 - 0.02)² = 3² - 2(3)(0.02) + (0.02)² = 9 - 0.12 + 0.0004 = 8.8804

(2.02)² ≈ (2 + 0.02)² = 2² + 2(2)(0.02) + (0.02)² = 4 + 0.08 + 0.0004 = 4.0804

Multiplying these two approximations, we get:

(2.98)²(2.02)² ≈ 8.8804 × 4.0804 ≈ 36.246

Using a calculator, we find the actual value to be 36.2444.

To compute the percentage error, we use the formula:

Error = |(approximation - actual value) / actual value| × 100%

Error = |(36.246 - 36.2444) / 36.2444| × 100% ≈ 0.0042%

Therefore, the percentage error is approximately 0.0042%.

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Solved 5/2 * 476 x 10^-9 x 0.86/(0.39 x 10^-6) ?

Answers

In mathematics, an expression is a combination of numbers, variables, and operators (such as +, -, x, /, and ^) that represents a value or a relationship between values.

An expression can be as simple as a single number or variable, or it can be a more complex combination of terms and operators.

Given expression: (5/2) * 476 * 10^(-9) * 0.86 / (0.39 * 10^(-6))

Step 1: Calculate 5/2
5/2 = 2.5

Step 2: Replace the given values in the expression
(2.5) * 476 * 10^(-9) * 0.86 / (0.39 * 10^(-6))

Step 3: Multiply the constants
2.5 * 476 * 0.86 = 1079

Step 4: Multiply the exponents
10^(-9) / 10^(-6) = 10^(-9 + 6) = 10^(-3)

Step 5: Combine constants and exponents
1079 * 10^(-3)

Step 6: Express the answer in scientific notation
1.079 * 10^(3-3) = 1.079 * 10^0

The final answer is 1.079 since any number raised to the power of 0 is 1.

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In mathematics, an expression is a combination of numbers, variables, and operators (such as +, -, x, /, and ^) that represents a value or a relationship between values.

An expression can be as simple as a single number or variable, or it can be a more complex combination of terms and operators.

Given expression: (5/2) * 476 * 10^(-9) * 0.86 / (0.39 * 10^(-6))

Step 1: Calculate 5/2
5/2 = 2.5

Step 2: Replace the given values in the expression
(2.5) * 476 * 10^(-9) * 0.86 / (0.39 * 10^(-6))

Step 3: Multiply the constants
2.5 * 476 * 0.86 = 1079

Step 4: Multiply the exponents
10^(-9) / 10^(-6) = 10^(-9 + 6) = 10^(-3)

Step 5: Combine constants and exponents
1079 * 10^(-3)

Step 6: Express the answer in scientific notation
1.079 * 10^(3-3) = 1.079 * 10^0

The final answer is 1.079 since any number raised to the power of 0 is 1.

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Let A = [{begin{array}{cc} 1&0&0 \\ 0&1&1 \\0&-2&4 \end{array}\right] , I = [{begin{array}{cc} 1&0&0 \\ 0&1&0 \\0&0&1 \end{array}\right] and A^-1 = [1/6(a^2 +cA+dI)] the value of c and d are?
A (-6, -11)
B (6 , 11 )
C ( -6 , 11)
D ( 6, -11)

Answers

The correct answer is not given in the options.

To find the values of c and d, we can use the formula for the inverse of a 3x3 matrix:

A^-1 = 1/det(A) x [adj(A)],

where det(A) is the determinant of matrix A and adj(A) is the adjugate matrix of A.

First, we need to find the determinant of matrix A:

det(A) = 1(1 x 4 - (-2)(0)) - 0(1 x 4 - 0(-2)) + 0(1 x 1 - 0(0)) = 4.

Next, we need to find the adjugate matrix of A, which is the transpose of the matrix of cofactors of A:

adj(A) = [{begin{array}{cc} 4&0&2 \ 0&4&0 \-2&0&1 \end{array}\right].

Therefore, we have:

A^-1 = 1/4 x [{begin{array}{cc} 4&0&2 \ 0&4&0 \-2&0&1 \end{array}\right)]

Multiplying out, we get:

A^-1 = [{begin{array}{cc} 1&0&1/2 \ 0&1&0 \-1/2&0&1/4 \end{array}\right)]

Comparing this with the given formula for A^-1:

A^-1 = 1/6(a^2 + cA + dI)

We can see that the diagonal elements of A^-1 correspond to the values of dI, so d = 1/4.

Also, the (1,3) entry of A^-1 corresponds to the value c in cA, so c = 2 x 6 = 12.

Therefore, the correct answer is not given in the options.

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determine the volume of the solid enclosed by z = p 4 − x 2 − y 2 and the plane z = 0.

Answers

The volume of the solid enclosed by the surface z = sqrt[tex](4 - x^2 - y^2\\[/tex]) and the plane z = 0 is (16/3)π.

How to determine the volume of the solid enclosed by the surface?

To determine the volume of the solid enclosed by the surface z = sqrt[tex](4 - x^2 - y^2[/tex]) and the plane z = 0, we need to set up a triple integral over the region R in the xy-plane where the surface intersects with the plane z = 0.

The surface z = sqrt(4 - x^2 - y^2) intersects with the plane z = 0 when 4 - [tex]x^2 - y^2[/tex] = 0, which is the equation of a circle of radius 2 centered at the origin. So, we need to integrate over the circular region R: [tex]x^2 + y^2[/tex] ≤ 4.

Thus, the volume enclosed by the surface and the plane is given by:

V = ∬(R) f(x,y) dA

where f(x,y) = sqrt(4 - [tex]x^2 - y^2[/tex]) and dA = dx dy is the area element in the xy-plane.

Switching to polar coordinates, we have:

V = ∫(0 to 2π) ∫(0 to 2) sqrt(4 - [tex]r^2[/tex]) r dr dθ

Using the substitution u = 4 - r^2, we have du/dx = -2r and du = -2r dr. Thus, we can write the integral as:

V = ∫(0 to 2π) ∫(4 to 0) -1/2 sqrt(u) du dθ

= ∫(0 to 2π) 2/3 ([tex]4^(3/2)[/tex]- 0) dθ

= (16/3)π

Therefore, the volume of the solid enclosed by the surface z = sqrt(4 - [tex]x^2 - y^2[/tex]) and the plane z = 0 is (16/3)π.

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Fitting a Geometric Model: You wish to determine the number of zeros on a rouletle wheel without looking at the wheel. You will do so with a geometric model. Recall that when a ball on a roulette wheel falls into a non-zero slot, odd/even bets are paid; when it falls into a zero slot, they are not paid. There are 36 non-zero slots on the wheel. (a) Assume you observe a total of r odd/even bets being paid before you see a bet not being paid. What is the maximum likelihood estimate of the number of slots on the wheel? (b) How reliable is this estimate? Why? (c) You decide to watch the wheel k times to make an estimate. In the first experiment, you see ri odd/even bets being paid before you see a bet not being paid; in the second, rz; and in the third, r3. What is the maximum likelihood estimate of the number of slots on the wheel?

Answers

To fit a geometric model for determining the number of zeros on a roulette wheel without looking at the wheel, we need to use the probability distribution of a geometric random variable.

(a) Let p be the probability of observing a zero slot on the wheel. Since there are 36 non-zero slots, we have p = 1/37. Let X be the number of non-zero slots observed before the first zero slot. Then X follows a geometric distribution with parameter p.

If we observe r odd/even bets being paid before we see a bet not being paid, then we have observed r+1 spins in total, and the number of non-zero slots observed is X = r. The maximum likelihood estimate of p is the sample proportion of zero slots observed, which is p = 1 - r/(r+1) = 1/(r+1).

The number of slots on the wheel is 36/p, so the maximum likelihood estimate of the number of slots on the wheel is 36(r+1).

(b) The reliability of this estimate depends on the sample size, which is r+1 in this case. As r increases, the sample size increases and the estimate becomes more reliable. However, if r is too small, the estimate may not be accurate due to sampling variability.

(c) If we watch the wheel k times and observe ri odd/even bets being paid before we see a bet not being paid in the ith experiment, then the total number of non-zero slots observed is X = r1 + r2 + r3.

The maximum likelihood estimate of p is p = 1 - X/(k+X), and the maximum likelihood estimate of the number of slots on the wheel is 36(p/(1-[)).

As k increases, the sample size increases and the estimate becomes more reliable. However, we need to be careful not to overestimate the number of slots on the wheel, since there could be some overlap in the observed non-zero slots across different experiments.

(a) To determine the maximum likelihood estimate of the number of slots on the wheel, let p be the probability of landing on a non-zero slot. Since there are 36 non-zero slots, the probability p = 36/n, where n is the total number of slots. The likelihood function is L(p) = p^r * (1-p), where r is the number of odd/even bets paid. To maximize L(p), we take the derivative dL(p)/dp and set it to 0. Solving for n, we get the estimate n = 36 + r.

(b) The reliability of this estimate depends on the value of r. The larger r is, the more confident we can be in our estimate. However, for small values of r, the estimate may not be very reliable as the sample size is too small to make a confident prediction.

(c) To determine the maximum likelihood estimate using k experiments, we need to consider the joint likelihood function of all experiments: L(p) = p^(r1+r2+r3) * (1-p)^k. Similar to part (a), we take the derivative dL(p)/dp and set it to 0. Solving for n, we get the estimate n = 36 + (r1+r2+r3)/k.


In summary, the maximum likelihood estimates for the number of slots on the wheel can be calculated using the given formulas. However, the reliability of the estimates depends on the number of observations and the total number of odd/even bets paid.

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