The formula for calculating the sample mean is to take the sum of the values divided by the total number of values.
In this case, the two players would take the sum of the number of rounds they survived in their 101010 attempts, and then divide that sum by 101010. That would give them their individual sample means for the number of rounds survived.
To calculate the difference in the sample means of two players playing 101010 attempts, we can first calculate the sample mean of each player. This can be done by taking the sum of all attempts and then dividing that by the number of attempts. For example, if Player 1 had 5 attempts and survived 3 rounds, the sample mean would be 3/5 or 0.6. If Player 2 had 8 attempts and survived 4 rounds, the sample mean would be 4/8 or 0.5. We can then subtract the sample mean of Player 1 from the sample mean of Player 2 to get the difference in the sample means, which in this example would be 0.6 - 0.5 = 0.1.
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suppose you constructed a frequency table from a data set with 6 classes, class width of 6, and minimum value of 12. assuming the data set only contains whole numbers, what is the largest possible value in the data set?
Given the class width of 6 and the minimum value of 12, the maximum value in the first class would be 12 + 6 - 1 = 17. The maximum value in the 6th and last class would be 17 + (6 x 5) = 42. Hence, the largest possible value in the data set is '42'.
A frequency table is used to organize and represent the distribution of a set of data. In this case, the data set has 6 classes and a class width of 6. This means that the range of values in each class is 6 units. The minimum value in the data set is 12, so the first class starts at 12 and ends at 12 + 6 - 1 = 17. This is because the class width is 6, so the end value of the first class would be the starting value plus the class width minus 1.
For the last class, the end value would be 17 + (6 x 5) = 42. This is because the end value of the first class is 17 and each subsequent class increases by 6 units. The largest possible value in the data set would be the end value of the last class, which is 42. This means that any value greater than 42 would not be part of the data set and would not be included in the frequency table.
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Select the range I12:I14 and simultaneously insert the FREQUENCY function in all of the cells to determine the frequency of student absences based on the criteria in the range H12:H14. Divide the function by the number of records in the data to calculate the results as percentages
The frequency function in Excel can be used to determine the frequency of student absences based on the criteria in a specified range.
To simultaneously insert the FREQUENCY function in cells I12:I14, you can use the following steps:
Select the range I12:I14
Type the following formula in the formula bar: "=FREQUENCY(data_range,bin_range)"
Replace "data_range" with the range of values containing the student absences
Replace "bin_range" with the range of values containing the criteria (H12:H14)
Press enter to insert the formula in all of the selected cells
To calculate the results as percentages, divide the function by the number of records in the data and multiply by 100. You can do this by modifying the formula as follows:
=FREQUENCY(data_range,bin_range)/COUNT(data_range)*100
Replace "data_range" and "bin_range" with the appropriate cell references.
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Connie says that she can use the equation 6^2+5^2=c2 to find the distance between points X and Y in the diagram at the right
Do you agree with Connie? Explain why or why not.
What numbers are between -1 and 0
what variables do you think caesars should use to predict the number of check-ins on a given day?
Caesars should use variables such as weather, season, holidays, local events, and occupancy rate to predict check-ins.
1. Weather: The weather conditions on a given day can impact the number of check-ins, as people may be less likely to travel or spend time outdoors in inclement weather.
2. Season: The time of year can also play a role in the number of check-ins, as some seasons may be busier than others due to holidays or peak travel times.
3. Holidays: Holidays can have a significant impact on the number of check-ins, as people may travel more during these times for vacation or to visit family.
4. Local events: Any local events taking place near the Caesars property, such as concerts or sporting events, could also impact the number of check-ins.
5. Occupancy rate: The occupancy rate of the Caesars property on previous days can also provide insight into the expected number of check-ins for a given day, as it can indicate trends or patterns in customer behavior.
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How much is a nickel,dime,penny,quarter
Answer:
0.41 cents if youre adding
Step-by-step explanation:
What is 125 as a fraction and a decimal?
5/4 is fraction and 1.25 is decimal of the number 125.
How do you use a decimal to solve a fraction?The decimal into a fraction greater than 1. Therefore, the denominator would be 1 and the decimal the numerator.Calculate the corresponding fraction.Divide the decimal by the comparable fraction's denominator.simply the percentage.Since percent refers to per 100. Then, 125% might be expressed as 125/100 or as 125/100. When we reduce the fraction, we get the fractional expression of 5/4. Returning to the fraction 125/100, you may get 1.25 as the decimal expression by dividing it by 100.fractions in decimals Math is the representation of fractions in their decimal form, where the denominator is 10 or a power of 10 more, such as 100, 1000, or 10,000, etc. For instance, the fractions 1/10, 1/100.To learn more about fraction refer to:
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Find the value of k, for which one root of the quadratic equation kx2 -14x+8=0 is six times the other.
Answer:
The value of k for which one root of the quadratic equation kx2 -14x+8=0 is six times the other is k = 2.
Step-by-step explanation:
Can somebody PLEASE help me. I don’t understand. Can you show work please?
If LPJ = 127 degrees, which angle also has a measure of 127 degrees?
Click on the image to see answers
Answer:
B
Step-by-step explanation:
There's really no work to show, but... you see those two little blue lines under the 127? Now you see the ones under the P? That means that the those two angles are the same
Please help with problem
21x>5y+49x>2y>2-28x>2y
A point in the solution of the system of inequalities is (2, 0.5)
How to determine the solution to the inequalityFrom the question, we have the following parameters that can be used in our computation:
21x>5y+49x>2y>2-28x>2y
Express properly
So, we have the following representation
21x > 5y+49
x > 2y
2 - 28x > 2y
Next, we plot the graphs of the inequality expressions on a plane
(See attachment for the graph)
The shaded region represent the solution
And a point in this region is (2, 0.5)
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Find the diameter of the circular garden whose circumference is 124.03 cm.
all solutions r made there...pls like, follow for more answers
Learning task 1 be referring them to each pair in letter i do the following a find the sum of each pair of radical be subtract the first radical from the second radical c find the product of each pair of radicals be divided the second radical by the radical
For task 1, you need to find the sum of each pair of radicals, subtract the first radical from the second radical, and then find the product of each pair of radicals by dividing the second radical by the first. For example:
let a = 5, b = 10
let sumRadicals = a + b // 15
let differenceRadicals = b - a // 5
let productRadicals = differenceRadicals / a // 1
To further develop this topic, you can explore how to use radicals to simplify expressions, such as removing perfect squares from inside radical expressions and rationalizing denominators. You can also look into how to multiply and divide radical expressions, as well as examples of more complex equations involving radicals.
Additionally, you can look into how to use the properties of radicals, such as the first and second properties, to simplify radical equations.
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what does the following code do? const int size = 5; double x[size]; for (int i = 2; i <= size; i ) { x[i] = 0.0; }
const int size = 5; double x[size]; for (int i = 2; i <= size; i ) { x[i] = 0.0; }
An error will occor during runtime.
What is Errors in Coding ?A runtime coding mistake occurs when the computer crashes due to anything confusing it. Your instructions can be in the wrong sequence or depend on a phase that hasn't happened yet, for instance. Or perhaps you asked the machine to perform an impossible task.
Runtime errors, logic errors, and syntax errors are the three sorts of problems that might arise when writing programs.
A logic error is a programming flaw that makes a program run improperly but not abnormally. A logic mistake may not always be obvious because it creates unwanted or undesirable output or other behaviors.
A syntax error is a mistake in the order in which a group of letters or tokens should be typed while using a certain computer language. Syntax mistakes in compiled languages are found during compilation. After fixing all syntax issues, a program will compile.
While running the statement :
const int size = 5; double x[size]; for (int i = 2; i <= size; i ) { x[i] = 0.0; }
An error will occor during runtime.
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Calculator What is the area of the trapezoid with height 10 units? Enter your answer in the box. units² 10 12 5 12
Based on the information, we can infer that the area of this trapezoid is 192 in² (option D).
How to calculate the area of this trapezoid?To calculate the area of the trapezoid it is necessary to know the length of the bases and the height. Once we know these data we can complete the following formula to find the area:
A = 1/2 (b1 + b2) h
b1 = length of the lower base
b2 = length of the upper base
h = height
So, we just have to plug in the values to find the area of this trapezoid.
A = 1/2 (18in + 14in) 12in
A = 192in²
Based on the above, the area of this trapezoid would be 192 in² (option D).
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Which of the following equations is written in the standard form of linear equations with two variables?
a. 7x + 2y = 1
b. 9x, 2, + 7 = 5
c. 5x, 3, -2 = 0
d. 4x2 + 7y = 5
7x+2y=1 is the formula used to represent linear equations in two variables.
What are the two forms of linear equations in two variables?Different forms, including standard form, intercept form, and point-slope form, are possible for a linear equation with two variables. For instance, the identical equation 2x+3y=9 can be shown in each of the following forms: 2x+3y-9=0 (standard form), y = (-2/3)x + 3, and y - 5/3 = -2/3(x + (-2)). (point-slope form).ax + by + c = 0, where a 0, and b 0, is the form of a two-variable linear equation. A x + B y = C is the conventional form of a two-variable linear equation, where A, B, and C are real numbers and x, y are variables.The three main types of linear equations are the slope-intercept form, standard form, and point-slope form.To learn more about linear refer to:
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4 questions
1. The diameter of a cone's circular base measures 6 inches, and the slant height of the cone is 8 inches.
What is the approximate surface area of the cone?
2. The area of the circular base of a cone is 9π cm², and the slant height of the cone is four times the radius of the cone.
What is the approximate lateral area of the cone?
Use π≈3.14.
Enter your answer rounded to the nearest whole number in the box.
3. Three large cones hang from the ceiling in an office building in front of a bank of windows. The height of each cone is 12 feet and the circumference of the base of each cone is 8π feet. The base and 70% of the lateral surface of each cone is painted red, and the rest of each cone is painted black.
What is the total surface area painted black? Use π≈3.14.
Enter your answer, rounded to the nearest tenth, in the box.
4. The lateral height of a cone is 8 inches and the area of the base of the cone is 49π in². It requires 2.5 minutes to paint the cone.
The area of the base is doubled.
How long will it take to paint this cone if it can be painted at the same rate? Use π≈3.14.
Enter your answer, rounded to the nearest tenth, in the box.
This refers to the summation of the area including the base(s) and the curved parts of an object. It is the total area occupied by the surface of the object.
Solving for answers we have:
D = 6 inches (diameter of a cone's circular base )
s = 8 inches (the slant height of the cone)
Approximate surface area of the cone = π * 6 * (8 + 6) / 2 = 84 * 3.14 = 267 in²Approximate lateral area of the cone = 9 * 3.14 * 4 = 36 * 3.14 = 113 cm²Total surface area painted black = (1 - 0.7) * 4 * 3.14 * (12 + 8 / 2) * (8 / 2 / 3.14) = 144 - (2 * 36) = 72 ft².Time to paint the cone with doubled base area = 2.5 * (49 * 3.14 * 2 / 49 * 3.14) = 2.5 * 2 = 5.0 minsLearn more about Total surface area on
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the last digit of the heights of statistics students were obtained as part of an experiment conducted for a class. use the following frequency distribution to construct a histogram. what can be concluded from the distribution of the digits? specifically, do the heights appear to be reported or actually measured?
The frequency distribution of the digits indicates that the heights were reported rather than actually measured. This is because the frequency of the digits is not evenly distributed, which would be expected for a set of actual measurements.
Frequency Distribution:
Digit Frequency
0 3
1 5
2 9
3 5
4 3
5 4
6 4
7 4
8 2
9 1
From the distribution of the digits, it appears that the heights were reported rather than actually measured. This is because the frequency of the digits is not evenly distributed, which would be expected for a set of actual measurements.
The frequency distribution of the digits indicates that the heights were reported rather than actually measured. This is because the frequency of the digits is not evenly distributed, which would be expected for a set of actual measurements. For example, the frequency of the digit '2' is more than twice as high as the frequency of the digits '1' and '3', which is not likely to occur in a set of actual measurements.
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the right-hand side of the gompertz equation is f (y ) = r y ln( k y ). find the first four terms of the taylor series for this f (y ) about y = k by using the formula we found in example 2, (3).
The first four terms of the Taylor series for the right-hand side of the Gompertz equation, f(y) = ry ln(ky), about y = k is: f(y) = rk ln(kk) + (y - k)(2r) + (y - k)² / 2! (r / k) + (y - k)³ / 3! (-r / k²).
To determine this :
The right-hand side of the Gompertz equation is f(y) = ry ln(ky). To find the first four terms of the Taylor series for this f(y) about y = k, we can use the formula:
f(y) = f(k) + (y - k)f'(k) + (y - k)² / 2! f''(k) + (y - k)³ / 3! f'''(k) + ...
Where f'(k), f''(k), and f'''(k) are the first, second, and third derivatives of f(y) evaluated at y = k, respectively.
First, we need to find the derivatives of f(y):
f'(y) = r ln(ky) + r
f''(y) = r / y
f'''(y) = -r / y²
Next, we evaluate these derivatives at y = k:
f'(k) = r ln(kk) + r = 2r
f''(k) = r / k
f'''(k) = -r / k²
Finally, we substitute these values into the Taylor series formula:
f(y) = f(k) + (y - k)f'(k) + (y - k)² / 2! f''(k) + (y - k)³ / 3! f'''(k)
f(y) = rk ln(kk) + (y - k)(2r) + (y - k)² / 2! (r / k) + (y - k)³ / 3! (-r / k²)
This is the first four terms of the Taylor series for f(y) about y = k.
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the derivative of a function f is given by f′(x)=0.2x e0.15x. which of the following procedures can be used to determine the value of x at which the line tangent to the graph of f has slope 2 ?
Here, we are required to determine at what value of x for x>0 does the line tangent to the graph of f at x have slope 2 of a function
x = 2.29
A line tangent to the graph of f is given by the derivative of the function, f (i.e f')
However, this derivative has been provided in the question as function
f′(x)=0.1x+e(0.25x).
The line tangent to the graph of f will therefore have a slope of 2 at point f′(x) = 2
Therefore, since f′(x) = 2 and f′(x)=0.1x+e(0.25x)
We can then say; 2 = 0.1x + e(0.25x).
This evaluation can then be carried out by the use of a graphing calculator and the value of x (for x > 0) is gotten to be;
x = 2.29
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Explain why −4 = [tex]\sqrt{2-x}-2[/tex] has no real solution
The square root of a negative number is not a real number, the equation has no real solution.
How true is the assertion?The equation −4 = √(2-x)−2 has no real solution because the square root of a negative number is not a real number.
If we expand the equation, we get:
-4 = √(2-x) - 2
-4 + 2 = √(2-x)
-6 = √(2-x)
Squaring both sides of the equation, we get:
36 = 2-x
x = -34
Since the square root of a negative number is not a real number, the equation has no real solution.
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5.) On February 3rd, Cardi B borrowed $17,500.00 at 6.5% exact interest to buy a new car. She had to pay back
a maturity value of $17,873.97 to pay off the loan. On what day did Cardi pay back the loan?
Cardi B paid back the loan on February 3rd + 122.72 days = May 16th.
What do you mean by interest?Interest is a fee charged by a lender to a borrower for the use of money. It represents the cost of borrowing money and is typically expressed as a percentage of the loan amount. Interest is paid over a period of time and is calculated based on the principal amount of the loan, the interest rate, and the length of the loan term.
Simple interest is calculated only on the principal amount of the loan, while compound interest is calculated on both the principal and the accumulated interest over time. Compound interest results in a faster growth of the loan balance compared to simple interest.
Let's call the number of days Cardi B had the loan "d". The exact interest can be calculated as follows:
Interest = Principal * Rate * (Number of days / 365)
From the information provided, we know that the maturity value was $17,873.97 and the principal was $17,500.00, so the interest can be calculated as follows:
Interest = $17,873.97 - $17,500.00 = $373.97
We can now use the formula for exact interest to find the number of days:
$373.97 = $17,500.00 * 0.065 * (d / 365)
Solving for d:
d = 365 * ($373.97 / ($17,500.00 * 0.065))
d = 365 * ($373.97 / $1137.50)
d = 365 * (0.3288)
d = 122.72
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jan and judy are two math geniuses. jan calculates the probability that three distinct numbers chosen at random without replacement from the set below would have an even sum. judy calculates the probability that three distinct without replacement numbers chosen at random from the set below would have an even product. what is the positive difference between the two probabilities they calculate (assuming they did so correctly!)? express your answer as a common fraction. {2, 3, 5, 7, 8, 9, 10}
The positive difference between the two probabilities is 11/35.
To calculate the probability that three distinct numbers chosen at random without replacement from the set would have an even sum, Jan would consider the number of ways to choose three even numbers (4 choose 3) and divide that by the total number of combinations of three numbers (7 choose 3).
To calculate the probability that three distinct numbers chosen at random without replacement from the set would have an even product, Judy would consider the number of ways to choose three numbers such that the product is even (3 choose 2) and divide that by the total number of combinations of three numbers (7 choose 3).
The positive difference between the two probabilities would be the difference between these two calculations. In this case, 11/35 is a positive difference, meaning that the probability of having an even product is 11/35 higher than the probability of having an even sum.
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4 1/4 x 2/3 i have to solve using an area model
The area of the phrase 1 3/4 X 2 1/2 when using an area model is 4 3/8.
How does the area model work?A method of dividing an area into smaller portions is the area model.The example provided below,
Distance = 27 = 20 + 7
length = 63 = 60 + 3
Area = (20 + 7) x (60 + 3)
= 1200 + 60 + 420 +21
= 1701 unit²
You can solve using an area model.
Ours was given
It follows that the area of the expression 1 3/4 X 2 1/2 using an area model is 4 3/8.
The complete question is,
You can solve using an area model. 1 3/4 X 2 1/2
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Question content area top
Part 1
Suppose a city with population 700,000 has been growing at a rate of 7% per year. If this rate continues, find the population of this city in 21 years.
Based on exponential growth, city with a population of 700,000 growing at an annual rate of 7% will be 2,898,394 in 21 years.
What is the exponential growth?Exponential growth refers to an increase where a constant proportional amount is added to the initial value.
Exponential growth function can be modeled as follows:
f(x)=a(1+r)ˣ
Where:
f(x) = exponential growth function
a = initial amount
r = growth rate
{x} = number of time intervals
The current population of the city, a = 700,000
The annual growth rate, r = 7% = 0.07
The number of time intervals, x = 21 years
The population in 21 years = 700,000 x (1 + 0.07)²¹
= 700,000 x (1.07)²¹
= 700,000 x 4.14056237
= 2,898,394
Thus, using an exponential growth rate, the population of the city will grow to 2,898,394 after 21 years.
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The velocity v in feet per second of a freely falling object that has fallen h feet can be represented by v=8h1/2. Find the velocity of an object if it has fallen a distance of 144 ft
Therefore , the solution of the given problem of velocity comes out to be 33.94 ft/sec is the velocity.
Define velocity.Looking at something from a distance allows us to calculate its speed. An object's speed determines how far it can travel in a certain amount of time. Utilizing the equation velocity = distance/time, velocity is computed. Miles per hour (mph), kilometers an hour (km/h), and meters a second (m/s) are the three most common units of speed (mph).
Here,
Given :
=> v = (8h) ^ 1/2
=> v = √8h
We separate the variables whose values we want to be determined in the aforementioned problems.
(1) We change the variable to become
v = √8h in order to solve for v.
Using the supplied as a replacement,
v = √8 * 144 = 33.94 ft/sec
Therefore , the solution of the given problem of velocity comes out to be 33.94 ft/sec is the velocity.
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A store orders a batch of 2000 flashlights. The odds that a flashlight is defective are 0.15%. Let X be the number of defective flashlights in the batch. (a) What is the distribution of X? What is/ are the value(s) of the paramter(s) of this distribution? (b) What are expected value and standard deviation of X? (c) What is the probability that the batch contains no defective flashlights? One defective flashlight? More than two defective ones?
X follows a binomial distribution with n = 2000 and p = 0.0015. The chance that the batch contains no faulty flashlights is 0.8805 percent. The likelihood of one faulty flashlight in the batch is 1.5307. X has a standard deviation of 1.0708. The likelihood of more than two faulty flashlights in the batch is 0.0388.
What is probability?Probability is an area of mathematics that deals with numerical representations of how probable an event is to occur or how likely a statement is to be true. The probability of an occurrence is a number between 0 and 1, where 0 denotes the event's impossibility and 1 represents certainty.
Here,
(a) X has a binomial distribution with parameters n = 2000 and p = 0.0015. The binomial distribution is a discrete probability distribution that describes the number of successes in n independent Bernoulli trials, each with success probability p.
(b) The expected value (mean) of X is given by E(X) = n * p = 2000 * 0.0015 = 3. The standard deviation of X is given by sqrt(n * p * (1 - p)) = sqrt(2000 * 0.0015 * 0.9985) = 1.0708.
(c) The probability that the batch contains no defective flashlights is given by P(X = 0) = (2000 choose 0) * 0.0015^0 * (0.9985)^2000 = 0.8805. The probability that the batch contains one defective flashlight is given by P(X = 1) = (2000 choose 1) * 0.0015^1 * (0.9985)^1999 = 1.5307. The probability that the batch contains more than two defective flashlights is given by P(X > 2) = 1 - P(X <= 2) = 1 - P(X = 0) - P(X = 1) - P(X = 2) = 0.0388.
X has a binomial distribution with parameters n = 2000 and p = 0.0015. The probability that the batch contains no defective flashlights is 0.8805.The probability that the batch contains one defective flashlight is 1.5307. The standard deviation of X is 1.0708. The probability that the batch contains more than two defective flashlights is 0.0388.
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4.) Lady GaGa wants to borrow $2,600 for 90 days to pay her real estate tax. State Savings and Loan charges
7.25% ordinary interest while Security Bank charges 7.5% exact interest. Which bank is a better deal and how
much will she save by choosing that bank?
Interest is a fee charged by a lender to a borrower for the use of money. It is a percentage of the principal amount (the amount borrowed) that is added to the principal over a specified period of time. The interest rate is the rate at which the interest is calculated, and it is typically expressed as an annual percentage rate (APR).
For example, if you borrow $1000 at an interest rate of 5% per year, the interest charge for one year would be $50 ($1000 * 5%). The interest and the principal form the total amount that must be repaid at the end of the loan term.
Interest can be charged on loans, such as personal loans, mortgages, and car loans, as well as on savings accounts and other investments. The purpose of charging interest is to compensate the lender for the opportunity cost of not having access to the funds during the loan term.
Let's calculate the interest charge for each bank:
For State Savings and Loan:
Interest = 2600 * 7.25% * 90/365 = $121.44
For Security Bank:
Interest = 2600 * 7.5% * 90/365 = $122.62
So, Security Bank is charging higher interest and is not a better deal.
If Lady GaGa chooses State Savings and Loan, she will save:
$122.62 - $121.44 = $1.18.
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construct a truth table for each of these compound propositions. [20 pts.] a. →¬ b. ↔¬ c. ( ∧ ) → ( ∨ ) d. ( →¬) ↔ ( ↔ ) e. ( ↔ ) ⊕ ( ↔¬)
The truth table for each of the given compound propositions.
a. →¬
|A|→¬|A|
|T|F|
|F|T|
The truth table for the compound proposition →¬ can be seen in the table above. It consists of two propositions, an implication and a negation. Implication is denoted by ‘→’, and negation is denoted by ‘¬’. The implication is read as ‘if A then not A’, and the negation is read as ‘not A’. The implication is true when the antecedent is false, and the consequent is true. In this case, the antecedent is A, and the consequent is not A. Therefore, the implication is true when A is false and not A is true. This can be seen in the truth table above, where A is false and not A is true, thus making the implication true.
b. ↔¬
|A|↔¬|A|
|T|F|
|F|T|
The truth table for the compound proposition ↔¬ can be seen in the table above. It consists of two propositions, a biconditional and a negation. The biconditional is denoted by ‘↔’, and the negation is denoted by ‘¬’. The biconditional is read as ‘if and only if A then not A’, and the negation is read as ‘not A’. The biconditional is true when the antecedent and consequent are both true or both false. In this case, the antecedent is A, and the consequent is not A. Therefore, the biconditional is true when A is false and not A is true. This can be seen in the truth table above, where A is false and not A is true, thus making the biconditional true.
c. (∧ ) → ( ∨ )
|A|B|(∧) → (∨)|
|T|T|T|
|T|F|F|
|F|T|T|
|F|F|T|
The truth table for the compound proposition (∧ ) → ( ∨ ) can be seen in the table above. It consists of two propositions, an implication and a conjunction. The implication is denoted by ‘→’, and the conjunction is denoted by ‘∧’. The implication is read as ‘if A and B then A or B’, and the conjunction is read as ‘A and B’. The implication is true when the antecedent is true, and the consequent is true. In this case, the antecedent is A and B, and the consequent is A or B. Therefore, the implication is true when A and B are both true or both false. This can be seen in the truth table above, where A and B are both true or both false, thus making the implication true.
d. ( →¬) ↔ ( ↔ )
|A|B|(→¬)↔ (↔)|
|T|T|T|
|T|F|F|
|F|T|F|
|F|F|T|
The truth table for the compound proposition ( →¬) ↔ ( ↔ ) can be seen in the table above. It consists of two propositions, a biconditional and an implication. The biconditional is denoted by ‘↔’, and the implication is denoted by ‘→’. The biconditional is read as ‘if and only if A then not B’, and the implication is read as ‘if A then not B’. The biconditional is true when the antecedent and consequent are both true or both false. In this case, the antecedent is A, and the consequent is not B. Therefore, the biconditional is true when A is true and not B is false, or when A is false and not B is true. This can be seen in the truth table above, where A is true and not B is false, or when A is false and not B is true, thus making the biconditional true.
e. ( ↔ ) ⊕ ( ↔¬)
|A|B|(↔)⊕ (↔¬)|
|T|T|F|
|T|F|T|
|F|T|T|
|F|F|F|
The truth table for the compound proposition ( ↔ ) ⊕ ( ↔¬) can be seen in the table above. It consists of two propositions, an exclusive-or and a biconditional. The exclusive-or is denoted by ‘⊕’, and the biconditional is denoted by ‘↔’. The exclusive-or is read as ‘A or B, but not both’, and the biconditional is read as ‘if and only if A then not B’. The exclusive-or is true when either the antecedent or the consequent is true, but not both. In this case, the antecedent is A, and the consequent is not B. Therefore, the exclusive-or is true when either A is true and not B is false, or when A is false and not B is true. This can be seen in the truth table above, where either A is true and not B is false, or when A is false and not B is true, thus making the exclusive-or true.
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The diagonals of rectangle. QRST intersect at P. Given that m<PTS = 34° and QS=10 , find QP.
If the diagonals of rectangle QRST intersect at P, given that m<PTS = 34° and QS=10, QP is:
34.9°
The diagonals of a rectangle bisect each other. Therefore, the angle at P can be split into two equal angles, each measuring (m<PTS)/2
= 34°/2
= 17°.
Since QP is the hypotenuse of a right triangle with angles 17° and 63° (the sum of the angles in a rectangle is 180°), we can use the tangent function to find QP:
tan(17°) = QP/10Solving for QP, we have:QP = 10 * tan(17°)= 34.9391564547So, QP is 34.9°.
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6. A recipe calls for 2/3 cup strawberries, 1/4 cup sugar, 1/2 cup walnuts, and 3/4 cup of
flour. Order the amounts from least to greatest. Which ingredient does the recipe require the least amount of? Explain how you know.
Answer:
1. Order from least to greatest: 1/4 cup sugar, 1/2 cup walnuts, 2/3 cup strawberries, 3/4 cup of flour
2. Sugar is the ingredient the recipe requires the least amount
Step-by-step explanation:
1.
2/3 cup of strawberries, 1/4 cup sugar, 1/2 cup walnuts, and 3/4 cup of
flour.
8/12 cup of strawberries, 3/12 cup sugar, 6/12 cup walnuts, and 9/12 cup of flour
Order from least to greatest: 1/4 cup sugar, 1/2 cup walnuts, 2/3 cup strawberries, 3/4 cup of flour
2.
Sugar is the ingredient the recipe require the least amount