Answer:
Each person will pay $9.78
Step-by-step explanation:
Given that:
Amount of bill = $34
Tip = 15%
Amount of tip = \(\frac{15}{100}*34\)
Amount of tip = 0.15 * 34
Amount of tip = $5.10
Amount after bill = 34 + 5.10 = $39.10
Number of people = William + three friends = 4
Per person share = \(\frac{39.10}{4}\)
Per person share = $9.775
Rounded to two decimal places
Per person share = $9.78
Hence,
Each person will pay $9.78
Suppose AB=AC, where and C are nxp matrices and is invertible. Show that B=C_ Is this true in general, when A is not invertible? What can be deduced from the assumptions that will help to show B=C? Since matrix A is invertible; A-1 exists The determinant of A is zero Since it is given that AB=AC divide both sides by matrix A =|
If AB = AC, where A and C are nxp matrices and A is invertible, then it can be concluded that B = C.
Since A is invertible, we can multiply both sides of the equation AB = AC by A^(-1) (the inverse of A):
A^(-1)(AB) = A^(-1)(AC)
By using the associative property of matrix multiplication, we have:
(A^(-1)A)B = (A^(-1)A)C
Since A^(-1)A is the identity matrix I (A^(-1)A = I), we can simplify the equation further:
IB = IC
Since the product of any matrix and the identity matrix is the matrix itself, we have:
B = C
Therefore, if AB = AC and A is invertible, it follows that B = C.
However, if A is not invertible, we cannot conclude that B = C. In such cases, additional information or conditions would be needed to establish the equality between B and C.
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please help asap!! :)
Answer:
\(C\approx 5.14\)
Step-by-step explanation:
The circumference is the distance around a complete circle: in essence, the perimeter of a circle. The formula to find the circumference of a circle is the following:
\(C=(d)(\pi)\)
Where (d) represents the diameter, the largest cord that can be drawn in a circle, it goes from one end to another, passing through the center of the circle. The parameter (\(\pi\)) represents the number (3.1415...). However, one is given a semicircle, thus one must divide the result in two, and then add the value of the diameter to find the perimeter of the given object. Therefore the equation for the circumference of this circle is as follows:
\(C=\frac{(d)(\pi)}{2}+(d)\)
Substitute in the given value,
\(C=\frac{(2)(3.1415)}{2}+(2)\)
Simplify,
\(C=3.1415...+2\)
\(C=5.1415\)
\(C\approx 5.14\)
The hypotenuse of a right triangle measures 3 cm and one of its legs measures 2 cm. Find the measure of the other leg. If necessary, round to the nearest tenth.
The required length of the other leg is \($\sqrt{5}$\) cm. If we need to round to the nearest tenth, we get: \($b \approx 2.2$\) cm
How to use Pythagoras theorem to find sides of right angled triangle?Let's use the Pythagorean theorem to solve this problem. The Pythagorean theorem states that in a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the legs. So we have:
\($c^2 = a^2 + b^2$\)
where c is the length of the hypotenuse, a and b are the lengths of the legs.
We are given that the length of the hypotenuse is 3 cm and the length of one leg is 2 cm. Let's substitute these values into the equation above:
\($3^2 = 2^2 + b^2$\)
\($9 = 4 + b^2$\)
\($b^2 = 5$\)
\($b = \sqrt{5}$\)
So the length of the other leg is \($\sqrt{5}$\) cm. If we need to round to the nearest tenth, we get: \($b \approx 2.2$\) cm (rounded to one decimal place).
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Answer the following questions: (a) Given the system \[ y[n]=0.5 y[n-1]+x[n], \] find the solution to \( y[n] \) when \( y[-1]=1 \) and \( x[n]=u[n] \). (6 Points) (b) Let \( x_{1}[n]=\left(\frac{1}{3
(a)The solution to \(y[n]\) with the given initial condition and input sequence is: \[y[n] = \{1, 1.5, 1.75, 1.875, \ldots\}\]
(b) The solution to \(y[n]\) with the given initial conditions and input sequence is: \[y[n] = \left\{\frac{1}{3}, -\frac{1}{18}, \frac{5}{54}, \ldots\right\}\]
(a) To find the solution to \(y[n]\) when \(y[-1]=1\) and \(x[n]=u[n]\), we can recursively apply the given system equation.
Given:
\[y[n] = 0.5y[n-1] + x[n]\]
\(y[-1] = 1\) (initial condition)
\(x[n] = u[n]\) (unit step input)
To solve for \(y[n]\), we can substitute the values and iterate through the equation:
For \(n = 0\):
\[y[0] = 0.5y[-1] + x[0] = 0.5 \cdot 1 + 1 = 1.5\]
For \(n = 1\):
\[y[1] = 0.5y[0] + x[1] = 0.5 \cdot 1.5 + 1 = 1.75\]
For \(n = 2\):
\[y[2] = 0.5y[1] + x[2] = 0.5 \cdot 1.75 + 1 = 1.875\]
And so on...
The solution to \(y[n]\) with the given initial condition and input sequence is:
\[y[n] = \{1, 1.5, 1.75, 1.875, \ldots\}\]
(b) To solve the difference equation \[y[n] = \frac{1}{3}x_1[n] - 0.5y[n-1] + 0.25y[n-2]\] with the given initial conditions \(y[-1]=0\) and \(y[-2]=1\) and the input sequence \(x_1[n]=\left(\frac{1}{3}\right)^n\), we can use a similar iterative approach.
For \(n = 0\):
\[y[0] = \frac{1}{3}x_1[0] - 0.5y[-1] + 0.25y[-2] = \frac{1}{3} - 0.5 \cdot 0 + 0.25 \cdot 1 = \frac{4}{12} = \frac{1}{3}\]
For \(n = 1\):
\[y[1] = \frac{1}{3}x_1[1] - 0.5y[0] + 0.25y[-1] = \frac{1}{3} \cdot \left(\frac{1}{3}\right)^1 - 0.5 \cdot \frac{1}{3} + 0.25 \cdot 0 = \frac{1}{9} - \frac{1}{6} = -\frac{1}{18}\]
For \(n = 2\):
\[y[2] = \frac{1}{3}x_1[2] - 0.5y[1] + 0.25y[0] = \frac{1}{3} \cdot \left(\frac{1}{3}\right)^2 - 0.5 \cdot \left(-\frac{1}{18}\right) + 0.25 \cdot \frac{1}{3} = \frac{1}{27} + \frac{1}{36} + \frac{1}{12} = \frac{5}{54}\]
And so on...
The solution to \(y[n]\) with the given initial conditions and input sequence is:
\[y[n] = \left\{\frac{1}{3}, -\frac{1}{18}, \frac{5}{54}, \ldots\right\}\]
The iteration process can be continued to find the values of \(y[n]\) for subsequent values of \(n\).
It's important to note that in part (b), the input sequence \(x_1[n] = \left(\frac{1}{3}\right)^n\) was used instead of \(x[n]\) to solve the difference equation.
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What is the forecast for May using a five-month moving average?(Round answer to the nearest whole number.) Nov. 39 Dec. 27 Jan. 40 Feb. 42 Mar. 41 April 47
A. 43 B. 47 C. 52 D. 38 E. 39
The forecast for May using a five-month moving average is 39 (Option E).
Moving average is used for smoothing out time series data to find any trends or cycles within the data. A five-month moving average is the average of the past five months. To calculate the moving average, add up the sales for the previous five months and divide it by five.
According to the question, the sales for the previous five months are: Nov. 39 Dec. 27 Jan. 40 Feb. 42 Mar. 41 April 47
We have to add the sales of these five months, which gives:
27 + 40 + 42 + 41 + 47 = 197
To find the moving average for May, we divide this sum by 5:
197 / 5 = 39.4
Since we have to round the answer to the nearest whole number, we round 39.4 to 39, which is option E.
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B (−5, 3) B″ ?
C (−1, 3) C″ ?
D (−1, 1) D″ ?
Complete the table to show the locations of A″, B″, C″, and D″ after both transformations.
A) A″ (−2, −3), B″ (0, −3), C″ (0, 1), D″ (−2, 1)
B) A″ (−3, −2), B″ (−3, 0), C″ (1, 0), D″ (1, −2)
C) A″ (3, 0), B″ (3, 2), C″ (−1, 2), D″ (−1, 0)
D) A″ (3, 2), B″ (3, 0), C″ (−1, 0), D″ (−1, 2)
Answer:
D) A″ (3, 2), B″ (3, 0), C″ (−1, 0), D″ (−1, 2)
Step-by-step explanation:
You want the coordinates of points A", B", C", D" after A(-5, 1), B(-5, 3), C(-1, 3), and D(-1, 1) have been translated by <2, -3> and reflected across the origin.
TranslationThe translation transformation is given in the problem statement:
(x, y) ⇒ (x +2, y -3)
ReflectionThe reflection transformation is ...
(x, y) ⇒ (-x, -y) . . . . . . . reflection across the origin
CompositionThe composition of these transformations is ...
(x, y) ⇒ (-(x +2), -(y -3))
(x, y) ⇒ (-x-2, -y+3)
ApplicationUsing this transformation on the given points, we find ...
A(-5, 1) ⇒ A"(-(-5)-2, -1+3) = A"(3, 2)
B(-5, 3) ⇒ B"(-(-5)-2, -3+3) = B"(3, 0)
C(-1, 3) ⇒ C"(-(-1)-2, -3+3) = C"(-1, 0)
D(-1, 1) ⇒ D"(-(-1)-2, -1+3) = D"(-1, 2)
Determine the function which corresponds to the given graph. (5 points)
The asymptote is x = -5.
Answer: f(x) = ln(x + 5)
Step-by-step explanation:
This type of functions that first are steep, and as x increases the steepness of the function decreases, are logarithmic functions.
Then we can write this in a general way as:
f(x) = a*Ln(x + b) + c
Where a, b, and c are constants.
Now we know that Ln(x) has an asymptote at x = 0.
And in our graph, the asymptote is at x = -5
Then we must have that: -5 + b = 0
b = 5.
Now we have f(x) = a*ln(x + 5) + c.
The only other information that we have is that, when x = 0, f(0) is a value between 1 and 2 (closer to 2 actually), then:
Ln(0 + 5) = ln(5) = 1.61
From this we can conclude that a = 1 and c = 0 (Really, a ≈ 1 and c ≈ 0, but we can not really find these values if we do not have more info, then we will assume that a equals 1 and c equals 0)
f(x) = ln(x + 5)
I need helppp:(((((((
Answer:
1= e
2= c
Step-by-step explanation:
The sum of a number and 3 is greater than 10
x < 7
x > 7
x < 13
x > 13
Answer:
x > 7
Step-by-step explanation:
Let x be the unknown number
x+3 > 10
Subtract 3 from each side
x+3-3 > 10-3
x > 7
\(\huge\textsf{Hey there!}\)
\(\large\textsf{\underline{The sum of a number and 3 is greater than 10.}}\)
\(\large\textsf{Well, the word sum simply means add. The word number}\\\large\textsf{ is unknown so we will label it as x.}\)
\(\large\textsf{We will make this your equation: x + 3 } \mathsf{ > } \large\textsf{ 10}\)
\(\large\textsf{Now lets solve for your answer.}\downarrow\)
\(\large\textsf{x + 3 }\mathsf{>}\large\textsf{ 10}\)
\(\large\textsf{SUBTRACT 3 to BOTH SIDES}\)
\(\large\textsf{x + 3 - 3 } \mathsf{>} \large\textsf{ 10 - 3}\)
\(\large\textsf{CANCEL out: 3 - 3 because that gives you 0}\)
\(\large\textsf{KEEP: 10 - 3 because that helps what is being compared to the x-value}\)
\(\large\textsf{x } \mathsf{>} \large\textsf{ 10 - 3}\)
\(\large\textsf{10 - 3 = \bf 7}\)
\(\large\textsf{\bf x } \mathsf{\bf >\ } \large\textsf{ \bf 7}\)
\(\boxed{\boxed{\large\textsf{Therefore, your answer is: \bf x}>\textsf{\bf 7}\huge\textsf{ (Option B.)}}}\huge\checkmark\)
\(\huge\textsf{Good luck on your assignment \& enjoy your day!}\)
~\(\frak{Amphitrite1040:)}\)
find ts to make perfect square of 80
Answer:
6400
Step-by-step explanation:
To find the number that makes the perfect square of 80, multiply 80 times 80 (square 80).
80 squared equals 6400, which means the square root of 6400 would be the perfect square 0f 80.
an article gave the following observations on a maximum concrete pressure (kn/m^2): 33.3 41.8 37.4 40.2 36.7 39.1 36.2 41.8 36.0 35.2 36.7 38.9 35.8 35.2 40.1 using a normal probability plot, we ascertain that it is plausible that this sample was taken from a normal population distribution. calculate an upper confidence bound with confidence level 95% for the population standard deviation of maximum pressure.
A mean of a normal distribution's upper bound of a 95% confidence interval is 58.11.
What does "confidence interval" mean?This confidence interval would just be constructed using the Z or t distribution depending on the confidence level that was selected and the standard error of the point estimate.The standard error of the point estimate will be used to account for the variation in the important finding for every one of the outcome measures.For the given question,
sample mean μ = 554.4/15 = 36.96standard deviatio σ = 41.8sample size n = 15confidence interval = 95%The confidence bound's upper limit (UCB) is determined as follows:
UCB = μ + z(α/2)×σ/√n
Now, α/2 = (1 - 0.95)/2
α/2 = 0.025
z(α/2) = 1.96 (obtain from t-distribution table for degree of freedom)
Put the values in the formula,
UCB = μ + z(α/2)×σ/√n
UCB = 36.96 + 1.96×41.8/√15
UCB = 58.11
As a result, 58.11 is the upper bound of a 95% confidence interval for the mean of a normal distribution.
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Clark Property Management is responsible for the maintenance, rental, and day-to-day operation of a large apartment complex on the east side of New Orleans. George Clark is especially concerned about the cost projections for replacing air conditioner compressors. He would like to simulate the number of compressor failures each year over the next 20 years. Using data from a similar apartment building he manages in a New Orleans suburb, Clark establishes a table of relative frequency of failures during a year as shown in the following table:
NUMBER OF A.C. COMPRESSOR FAILURES PROBABILITY (RELATIVE FREQUENCY)
0 0.06
1 0.13
2 0.25
3 0.28
4 0.20
5 0.07
6 0.01
He decides to simulate the 20-year period by selecting two-digit random numbers from the random number table.
Conduct the simulation for Clark. Is it common to have three or more consecutive years of operation with two or fewer compressor failures per year?
The probability of having three or more consecutive years with two or fewer compressor failures per year is about 6.16%.
Clark Property Management should expect to experience some consecutive years with higher compressor failure rates.
Let X represent the number of AC compressor failures. Thus, the probability distribution of X is as follows :
Number of Compressor Failures Probability (Relative Frequency)
0 0.061 0.132 0.253 0.284 0.205 0.076 0.01.
We will select two-digit random numbers from a table of random numbers. We will simulate 20 years of compressor failure.
As a result, there will be a total of 20 values of X, each representing a year's worth of data.
We may now determine whether it is typical to have three or more consecutive years with two or fewer compressor failures per year.
The Monte Carlo simulation is used to complete this task. We may use an online random number generator if a table of random numbers is not available.
Monte Carlo simulation is a statistical modeling method that employs random sampling techniques to simulate the output of a complicated system.
It is a stochastic modeling technique that allows for uncertainty and risk evaluation in complex systems where deterministic methods are insufficient.
Monte Carlo simulation generates random input values for a system with a mathematical model, allowing it to calculate possible outcomes.
These results are then used to generate probability distributions of potential results.
In essence, the Monte Carlo simulation is an experiment conducted on a computer that provides insight into the degree of risk related to decision-making.
1. Set up a model: Determine the system and create a mathematical model that will be utilized in the Monte Carlo simulation.
2. Define input values: Identify the variables that will affect the model's output and define input probability distributions for each.
3. Generate random numbers: Using the input probability distributions, generate random numbers for each variable
4. Run simulations: Run a large number of simulations using the random numbers generated in step 3.
5. Analyze the results: Using the outputs of the Monte Carlo simulation, estimate potential outcomes and the likelihood of different results.
6. Make decisions: Use the data and insights obtained from the Monte Carlo simulation to inform your decision-making.
After conducting the Monte Carlo simulation, it was determined that it is unusual to have three or more consecutive years with two or fewer compressor failures per year.
The probability of having three or more consecutive years with two or fewer compressor failures per year is about 6.16%.
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need help asap if you can pls!!!!!!
Answer:
Step-by-step explanation:
perpendicular bisector AB is dividing the line segment XY at a right angle into exact two equal parts,
therefore,
ΔABY ≅ ΔABX
also we can prove the perpendicular bisector property with the help of SAS congruency,
as both sides and the corresponding angles are congruent thus, we can say that B is equidistant from X and Y
therefore,
ΔABY ≅ ΔABX
How large a sample is required to obtain a 99% confidence interval for the proportion of all newborns who are breast-fed exclusively in the first two months of life to within 2 percentage points?
A sample size of approximately 4,148 newborns is required to obtain a 99% confidence interval for the proportion of all newborns who are breast-fed exclusively in the first two months of life to within 2 percentage points.
To calculate the required sample size for a 99% confidence interval with a margin of error (precision) of 2 percentage points for the proportion of newborns breast-fed exclusively in the first two months of life,
we will use the following formula:
\(n = (Z^2 * p * (1-p)) / E^2)\)
where:
n = required sample size
Z = Z-score for the desired confidence level (in this case, 99%)
p = estimated proportion (since we don't have this value, we will use 0.5 for the most conservative estimate)
E = margin of error (2 percentage points, or 0.02 in decimal form)
For a 99% confidence interval, the Z-score is 2.576.
Now, let's plug these values into the formula:
\(n = (2.576^2 * 0.5 * (1-0.5)) / 0.02^2\)
n = (6.635776 * 0.5 * 0.5) / 0.0004
n = 1.658944 / 0.0004
n ≈ 4147.36
Since we cannot have a fraction of a person, we will round up to the nearest whole number.
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Write the cubes of 5 natural numbers which are of the form 3n + 1 (eg.4,7,10…)and verify the following
"The cube of a natural number of the form 3n + 1 is a natural number of the
Same form
in when divided by 3 it leaves the remainder 1'
Answer:
yes it is true
Step-by-step explanation:
write the first five elements then write their cubes then write the cubes in the same form
for eg:
4³=16= 3×5+1= 3n+1
7³=49=3×16 +1= 3n + 1
and so on till the fifth element...
What is the missing reason in the proof? vertical angles theorem alternate exterior angles theorem converse corresponding angles theorem converse alternate interior angles theorem
The missing reason in the list you provided is the "Converse Corresponding Angles Theorem."
The Converse Corresponding Angles Theorem states that if two lines are cut by a transversal and the corresponding angles are congruent, then the lines are parallel.
In other words, if a pair of corresponding angles formed by a transversal cutting two lines are congruent, then the two lines are parallel.
This theorem is commonly used in geometry to prove the parallelism of lines based on the congruence of corresponding angles.
In summary the missing reason in the list you provided is the "Converse Corresponding Angles Theorem," which states that if two lines are intersected by a transversal and the corresponding angles are congruent, then the lines are parallel.
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What is the volume of the prism?
10 cubic inches
20 cubic inches
40 cubic inches
80 cubic inches
Answer:
20 cubic inches
Step-by-step explanation:
\(1 * 4 * 5 = 20\)
8/12\(\frac{x}{y} \frac{x}{y}\)
Simplified expression of \(\rm (8/12)^{(x/y)} \times (x/y)\) is (\(\rm 2^{y}\))/(\(\rm 3^{x/y^2}\)).
What is an algebraic expression?An algebraic expression is a mathematical phrase that contains variables, constants, and mathematical operations. It may also include exponents and/or roots. Algebraic expressions are used to represent quantities and relationships between quantities in mathematical situations, often in the context of problem-solving.
Assuming you meant to write the expression as:
\((8/12)^{(x/y)}\)* (x/y)
We can simplify it as follows:
First, we can simplify the fraction 8/12 to 2/3:
\((2/3)^{(x/y)}\) * (x/y)
Next, we can apply the properties of exponents to simplify \((2/3)^{(x/y)}\) as follows:
\((2/3)^{x/y}\) = \((2^{x/y}/3^{x/y})^x\)
= \(2^{x/y}\)/\(3^{x/y}\)
Substituting this back into the original expression, we get:
(\(2^{x/y}\)/\(3^{x/y}\)) * (x/y)
= (\(2^{x/y*x}\))/(\(3^{x/y*y}\))
= (\(\rm 2^{y}\))/(\(\rm 3^{x/y^2}\)).
So the final simplified expression is (\(\rm 2^{y}\))/(\(\rm 3^{x/y^2}\)).
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Complete question:
Factorize the given term to simplest form:
\(\rm (8/12)^{(x/y)} \times (x/y)\)
Lea earned $24 babysitting. She spent ⅔ of that amount on a gift for her bestie, ¼ on snacks. What fraction of her earning is left? How much money does she have left?
Answer:
5/12, $10
Step-by-step explanation:
Lea earned $24 babysitting. She spent ⅔ of that amount on a gift for her bestie, ¼ on snacks. What fraction of her earning is left? How much money does she have left?
Let the total amount earned be 1
Given
Amount on snacks = ¼
Amount on babysitting = ⅔
Required
Fraction left
Fraction left = Total -(snacks+babysitting)
Fraction left = 1-(1/4+2/3)
Fraction left = 1-(3+4/12)
Fraction left = 1-7/12
Fraction left = 5/12
Amount of money she has left = 5/12 × 24 = 5×2 = $10
Hence she has $10 left
Graph 3x + y = – 1.
Answer:
(0, - 1). thats the answer
Another famous puzzle used as an example in the study of artificial intelligence seems first to have appeared in a collection of problems, Problems for the Quickening of the Mind, which was compiled about A.D. 775. It involves a wolf, a goat, a bag of cabbage, and a ferryman. From an initial position on the left bank of a river, the ferryman is to transport the wolf, the goat, and the cabbage to the right bank. The difficulty is that the ferryman’s boat is only big enough for him to transport one object at a time, other than himself. Yet, for obvious reasons, the wolf cannot be left alone with the goat, and the goat cannot be left alone with the cabbage. How should the ferryman proceed?
The ferryman should transport the goat first, then return alone to bring the wolf, leaving the goat on the right bank. Finally, he should transport the cabbage and leave it with the wolf.
In order to solve this puzzle, the ferryman must make a series of careful moves to ensure the safety of the wolf, goat, and cabbage. The first step is to transport the goat to the right bank, leaving it there. The ferryman then returns to the left bank alone.
He takes the wolf across the river, but before leaving it on the right bank, he brings the goat back to the left bank. Now, the goat and cabbage are on the same side, while the wolf remains on the right bank.
The ferryman transports the cabbage to the right bank, leaving it there, and then returns alone to the left bank. Finally, he takes the goat across the river one last time, completing the puzzle. This sequence of moves ensures that the wolf and goat are never left alone together, nor are the goat and cabbage.
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At an archery competition, Jamie and Marshall's team tied Shawna and Wyatt's team for the top team score. Team scores are determined by adding the two teams members individual scores. Marshall scores 12 less than Jamie. Shawna scored twice as much as Marshall. Wyatt scored 4 less than Shawna. What was each person's individual score?
Given:
Jamie and Marshall's team tied Shawna and Wyatt's team for the top team score.
Marshall scores 12 less than Jamie. Shawna scored twice as much as Marshall. Wyatt scored 4 less than Shawna.
To find:
The individual score of each person.
Solution:
Let x be the score of Jamie.
Marshall scores 12 less than Jamie.
Marshall score = x-12
Shawna scored twice as much as Marshall.
Shawna score = 2(x-12)
Wyatt scored 4 less than Shawna.
Wyatt score = 2(x-12)-4
Now,
Score of Jamie and Marshall's team \(=x+(x-12)\)
Score of Shawna and Wyatt's team \(=2(x-12)+2(x-12)-4\)
Jamie and Marshall's team tied Shawna and Wyatt's team
\(x+(x-12)=2(x-12)+2(x-12)-4\)
\(x+x-12=2x-24+2x-24-4\)
\(2x-12=4x-52\)
Isolate x.
\(2x-4x=-52+12\)
\(-2x=-40\)
Divide both sides by -2.
\(x=\dfrac{-40}{-2}\)
\(x=20\)
So, Jamie score = 20
Marshall score = 20-12
= 8
Shawna score = 2(20-12)
= 2(8)
= 16
Wyatt score = 2(20-12)-4
= 2(8)-4
= 16-4
= 12
Therefore, the scores of Jamie, Marshall, Shawna and Wyatt are 20, 8, 16 and 12 respectively.
1/2 minus (1/8+1/8) I need help can somebody give me advice on this
Answer: 38
Step-by-step explanation:
Subtract 1/8 from 1/2
12 - 18 is 38.
Steps for subtracting fractions
Find the least common denominator or LCM of the two denominators:
LCM of 2 and 8 is 8
Next, find the equivalent fraction of both fractional numbers with denominator 8
For the 1st fraction, since 2 × 4 = 8,
12 = 1 × 42 × 4 = 48
Likewise, for the 2nd fraction, since 8 × 1 = 8,
18 = 1 × 18 × 1 = 18
Subtract the two like fractions:
48 - 18 = 4 - 18 = 38
norwalk hourly minimum wage- w=10.20+0.38*tMadison hourly minimum wage w= 10.50+(0.031)tif both cities continue to give raises as above, will norwalk or Madison reach an hourly minimum wage of at least $25.25 first? you may use algebra our Trail- and-error to determine your solution but my show your problem solving process in detail.
In order to find out which one will reach an hourly minimum wage of at least $25.25 first, we need to find how much time t each one will take to reach that value.
So, we can replace w by 25.25 to find t:
• Norwalk:
25.25 = 10.20 + 0.38 * t
25.25 - 10.20 = 10.20 + 0.38t - 10.20
15.05 = 0.38t
15.05/0.38 = 0.38t/0.38
t ≅ 39.61
• Madison
25.25 = 10.50 + 0.031t
25.25 - 10.50 = 10.50 + 0.031t - 10.50
14.75 = 0.031t
0.031t /0.031= 14.75/0.031
t ≅ 475.81
Since Norwalk needs less time to reach the value of $25.25, Norwalk will reach it first.
Therefore, Norwalk will reach an hourly minimum wage of at least $25.25 first.
The plot below shows the volume of vinegar used by each of 17 students in there volcano expirement.
The total volume of vinegar in the four (4) largest samples is 14 fluid ounces.
How to determine total volume of vinegar in the 4 largest samples?In Mathematics and Statistics, a dot plot is a type of line plot that graphically represents a data set above a number line, through the use of crosses or dots.
Based on the information provided about the volume of vinegar that was used by each of the 17 students in their volcano experiment, we can reasonably infer and logically deduce that the four (4) largest sample is 3 1/2 fluid ounces.
Therefore, the total volume of vinegar in the four (4) largest samples can be calculated as follows;
Total volume of vinegar = 3 1/2 × 4
Total volume of vinegar = 7/2 × 4
Total volume of vinegar = 14 fluid ounces.
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
helpppppppppp meeeeeeeeeee 50points
Answer:
1) 48
2)44
Step-by-step explanation:
Answer: 48 44 Are The Correct Answers
Step-by-step explanation:Hope This Helps
In analyzing hits by certain bombs in a war, an area was partitioned into 573 regions, each with an area of 0.55 km2. A total of 515 bombs hit the combined area of 573 regions. Assume that we want to find the probability that a randomly selected region had exactly three hits. In applying the Poisson probability distribution formula, P(x)=
μx•e−μ
x!, identify the values of μ, x, and e. Also, briefly describe what each of those symbols represents.
The values are, e = 2.71828 is the Euler number, μ = 0.898, x = 3, probability = 4.915%
What is a probability?Probability is a branch of statistics that deals with the study of random events and their likelihood of occurrence. It is calculated by dividing the number of favorable outcomes by the total number of possible outcomes and is used to make predictions and estimate the likelihood of future events.
The chance that X represents the number of successes of a random variable in a Poisson distribution is provided by the following formula:
\(P(X=x)\) = (e^-μ * μ^x) / x!
Where, x is the number of successes
e = 2.71828 is the Euler number, μ is the mean in the given interval.
Given that, total of 515 bombs hit the combined area of 573 regions.
The mean hits per region is;
μ = 515/573 = 0.898
We want to find the probability that a randomly selected region had exactly three hits, that is P(X = 3)
\(P(X=x)\) = (e^(-μ) * μ^x) / x!
\(P(X=3)\) = (e^(-0.898) * (0.898)^3) / 3!
\(P(X=3)\) = 0.04915
Therefore, 4.915% probability that randomly selected region had exactly three hits.
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The values are, e = 2.71828 is the Euler number, μ = 0.898, x = 3, probability = 4.915%
What is a probability?A subfield of statistics known as probability studies random events and their odds of happening. It is used to predict the future and determine the likelihood of events by dividing the number of favorable outcomes by the total number of possible outcomes.
The following formula gives the probability that X indicates the number of successes of a random variable in a Poisson distribution:
\(p(X=x)=\frac{(e^{-\mu} \times\ \mu^x)}{x!}\)
Where, x is the number of successes
e = 2.71828 is the Euler number, μ is the mean in the given interval.
As a result, 573 regions were struck by a total of 515 bombs.
The mean hits per region is;
\(\mu=\frac{515}{573}\)
\(\mu= 0.898\)
P(X = 3) stands for the probability that a randomly chosen region contained precisely three hits.
\(p(X=x)=\frac{(e^{-\mu} \times\ \mu^x)}{x!}\)
\(P(X=3)=\frac{e^{-0.898}\times\ \(0.898^3 }{3!}\)
p(X=3)= 0.04915
P(X = 3) stands for the probability that a randomly chosen region contained precisely three hits.
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how does multivariable calculus in college compare with ap calculus bc in high school? is there a significant gap in difficulty?
Multivariable calculus in college is generally more challenging than AP Calculus BC due to the additional complexity of working with functions of several variables.
Multivariable calculus in college typically goes beyond the content covered in AP Calculus BC in high school. While both cover calculus concepts, multivariable calculus adds the complexity of working with functions of several variables, including partial derivatives, multiple integrals, and vector calculus. As a result, the difficulty level of multivariable calculus in college can be significantly higher than AP Calculus BC. However, this can vary depending on the individual student and the rigor of their high school AP course.
AP Calculus AB and BC are two levels of Advanced Placement calculus courses typically offered in high school.
AP Calculus AB covers a wide range of calculus topics including limits, derivatives, integrals, applications of derivatives and integrals, and the Fundamental Theorem of Calculus. The focus is on single-variable calculus, meaning students work with functions of one variable.
AP Calculus BC, on the other hand, covers all the topics included in AB as well as additional concepts such as parametric, polar, and vector functions, series, and sequences. The course is designed to be more challenging and covers more advanced topics in calculus, including applications of calculus in physics and engineering.
Overall, AP Calculus BC is considered to be a more rigorous course than AP Calculus AB, but both courses prepare students for college-level calculus.
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Help with this question
Each year you sell 3,000 units of a product at a price of $29.99 each. The variable cost per unit is $18.72 and the carrying cost per unit is $1.43. You have been buying 250 units at a time. Your fixed cost of ordering is $30. What is the economic order quantity? A) 342 units B) 329 units OC) 367 units D) 355 units E) 338 units
The economic order quantity is approximately 355 units, which corresponds to option D) 355 units.
To find the economic order quantity (EOQ), we can use the following formula:
EOQ = sqrt((2 * Annual Demand * Fixed Ordering Cost) / Carrying Cost per Unit)
Given information:
Annual Demand = 3,000 units
Fixed Ordering Cost = $30
Carrying Cost per Unit = $1.43
Substituting the values into the formula:
EOQ = sqrt((2 * 3,000 * 30) / 1.43)
EOQ = sqrt(180,000 / 1.43)
EOQ = sqrt(125,874.125)
EOQ ≈ 354.91
Rounding the EOQ to the nearest whole number, we get:
EOQ ≈ 355 units
Therefore, the economic order quantity is approximately 355 units, which corresponds to option D) 355 units.
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