Answer: This is linear and it's written slope. it has a positive slope. I saw the line go up and it's straight.
Keith needs to buy some pencils. Brand A has a pack of 24 pencils for $8.77. Brand B has a pack of 26 pencils for $9.84.
Find the unit price for each brand. Then state which brand is the better buy based on the unit price.
Round your answers to the nearest cent.
Unit price for the Brand A pencils:
Unit price for the Brand B pencils:
The better buy:
O Brand A
O Brand B
for each pencil
$for each pencil
Neither (They have the same unit price)
The brand that is the better buy based on their unit price is; Brand A
How to find the Unit Price?A unit price is defined as the price for one item or measurement, such as a pound, a kilogram, or a pint, which can be used to compare the same type of goods sold in varying weights and amounts.
It is also referred to as a product's average price which is the result of dividing the product's total sales revenue by the total units sold.
Thus;
Unit price of Brand A = 8.77/24 =$0.365 per pencil
Unit price of Brand B = 9.84/26 = $0.378 per pencil
The cheaper one is the better buy which is Brand A.
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Please help it’s easy, State the property that is used. 10=10•1
The property identity of multiplication is applied in the given statement.
Properties of MultiplicationThe properties of multiplication are:
Distributive: a(b±c)= ab±acComutative: a . b = b. aAssociative: a(b+c)= c(a+b)Identity: b.1=bFrom the property identity, you know that the product between any number by the number 1 equals that number. Example: 3 • 1=3.
The question shows 10=10•1. Like, it was shown previously, this occurs due to the identity property of multiplication.
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The real number 7/12
belongs to which set of numbers?
1.irrational numbers
2.natural numbers
3.integers
4.rational numbers
Answer:
7/12 belongs in the category 4
The sum of two numbers is 33. One number is 17 less than the other. Find the numbers. the smaller number is ? The larger number is ?
Answer:
8 and 25
Step-by-step explanation:
We can set up an equation to help solve this problem.
Let x represent the smaller number
x+(x+17)=33
2x+17=33
2x=16
x=8
The smaller number is 8
Add 17 to 8
The larger number is 25
Answer:
Smaller number:8 larger number:25
Step-by-step explanation:
25-8=17
25+8=33
You can also set up an equation to help things be easier.
In a recent election, 63% of all registered voters participated in voting. In a survey of 275 retired voters, 162 participated in voting. Which is higher, the population proportion who participated or the sample proportion from this survey?
The population proportion who participated in voting (63%) is higher than the sample proportion from this survey (58.91%).
To determine whether the population proportion who participated in voting or the sample proportion from the survey is higher, we need to compare the percentages.
The population proportion who participated in voting is given as 63% of all registered voters.
This means that out of every 100 registered voters, 63 participated in voting.
In the survey of retired voters, 162 out of 275 participants voted. To calculate the sample proportion, we divide the number of retired voters who participated (162) by the total number of retired voters in the sample (275) and multiply by 100 to get a percentage.
Sample proportion = (162 / 275) \(\times\) 100 ≈ 58.91%, .
Comparing the population proportion (63%) with the sample proportion (58.91%), we can see that the population proportion who participated in voting (63%) is higher than the sample proportion from this survey (58.91%).
Therefore, based on the given data, the population proportion who participated in voting is higher than the sample proportion from this survey.
It's important to note that the sample proportion is an estimate based on the surveyed retired voters and may not perfectly represent the entire population of registered voters.
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A school knows that 12% of its students are left-handed. What is the probability that there will be between 33 and 45 left-handed students in a randomly selected group of 400? Use your calculator and this formula: Pasx < b) = binomcdf(n,p,b) - binomcdf(n,p,a - 1). Round your answer to three decimal places. O A. 0.356 OB. 0.006 C. 0.010 D. 0.350
Answer: 0.350
Step-by-step explanation: took the quiz
Help please will give brainly if
answerd
Answer:
its the middle one
Step-by-step explanation:
had this on a test, got it right
Answer:
Step-by-step explanation:
delete this if you want bc im not answeing i just wanted to say there nothing there
help its due tonight
The number of solutions of each quadratic equation is given as follows:
x² - x - 6 = 0: Two.x² - 10x + 25 = 0: One.-5x² - x - 2 = 0: Zero.What is the discriminant of a quadratic equation and how does it influence the solutions?A quadratic equation is modeled by the general equation presented as follows:
y = ax² + bx + c
The discriminant of the quadratic function is given by the equation as follows:
Δ = b² - 4ac.
The numeric value of the coefficient and the number of solutions of the quadratic equation are related as follows:
Δ > 0: two real solutions.Δ = 0: one real solution.Δ < 0: two complex solutions.Hence the discriminant of each function is given as follows:
x² - x - 6 = 0: (-1)² - 4(1)(-6) = 25 -> two solutions.x² - 10x + 25 = 0: (-10)² - 4(1)(25) = 100 - 100 = 0 -> One solution.-5x² - x - 2 = 0: (-1)² - 4(-5)(-2) = 1 - 40 = -39 -> Zero solutions.More can be learned about quadratic functions at https://brainly.com/question/1214333
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Can someone plz help me with this one problem plzzzzz!!!
(I’m marking brainliest)
Pro ) Find \( \frac{d y}{d x} \) from \( y=\ln x^{2}+\ln (x+3)-\ln (2 x+1) \)
To find (the derivative of \( y \) with respect to \( x \)) from the given function \( y = \ln(x^2) + \ln(x+3) - \ln(2x+1) \), we can apply the rules of logarithmic differentiation.
First, we can rewrite the function using logarithmic properties:
\(\( y = \ln(x^2) + \ln(x+3) - \ln(2x+1) = \ln(x^2(x+3)) - \ln(2x+1) \).\)
Now, using the rules of logarithmic differentiation, we can differentiate \( y \) with respect to \( x \) as follows:
\( \frac{dy}{dx} = \frac{1}{x^2(x+3)} \cdot (2x(x+3)) - \frac{1}{2x+1} \).
Simplifying further:
\(\( \frac{dy}{dx} = \frac{2x(x+3)}{x^2(x+3)} - \frac{1}{2x+1} \).\( \frac{dy}{dx} = \frac{2x^2 + 6x}{x^2(x+3)} - \frac{1}{2x+1} \).Thus, \( \frac{dy}{dx} = \frac{2x^2 + 6x}{x^2(x+3)} - \frac{1}{2x+1} \) is the derivative of \( y \) with respect to \( x \)\) for the given function.
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Represent and model with vector quantities.
(+) Find the components of a vector by subtracting the coordinates of an initial point from the coordinates of a terminal point.
To represent and model vector quantities, we can use the concept of components. Components of a vector represent the changes in coordinates along each axis (typically x and y) from an initial point to a terminal point. By subtracting the coordinates of the initial point from the coordinates of the terminal point, we can determine the components of the vector.
Let's consider a vector V with an initial point (x₁, y₁) and a terminal point (x₂, y₂). The components of the vector can be found by subtracting the coordinates of the initial point from the coordinates of the terminal point:
Vx = x₂ - x₁
Vy = y₂ - y₁ Here, Vx represents the change in the x-coordinate, and Vy represents the change in the y-coordinate. These components provide information about the direction and magnitude of the vector. By using these components, we can model and represent vector quantities in various contexts, such as physics, engineering, or computer graphics. The components allow us to analyze and manipulate vectors mathematically and apply them to solve problems or describe physical phenomena accurately.
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Can someone please help me ASAP
The debate over pipelines and the use of oil sands is far from over. There is likely to be another
application for a pipeline to bring oil from Alberta to Texas or a proposal to pipe oil across Canada
.
to ships that could take it to refineries in Asia. What do you think should be done? Explain your
answer using complete sentences.
The decision of whether or not to build pipelines to transport oil from Alberta to Texas or other parts of Canada is a complex one that involves multiple factors.
From a mathematical perspective, the debate over pipelines and oil sands can be analyzed in terms of supply and demand. On the other hand, opponents of pipelines argue that the supply of oil is finite and that the continued extraction and transportation of oil will have long-term negative consequences for the environment.
In addition to the economic and environmental factors, there are also geopolitical considerations to take into account. For example, some argue that building a pipeline to transport oil from Alberta to Texas would reduce Canada's reliance on foreign oil and would increase our energy independence.
However, others argue that building a pipeline would tie us more closely to the United States and would not necessarily benefit Canada in the long run.
Regardless of the decision that is ultimately made, it is clear that pipelines will continue to play a significant role in our energy infrastructure for many years to come.
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How much money will you have in 8 years if you invest $4000 at 2% compounded quarterly
Answer:
If you invest $4000 at 2% compounded quarterly you will make 4,694$.
Step-by-step explanation:
Answer:
$4686.64
Step-by-step explanation:
here is the function 4000(1+0.02)^8
PLEASE I NEED YOUR HELP! THANK YOUU!
Answer
Maximum point of (-2, 4)
Step-by-step explanation:
the maximum point in this case is the vertex because its the highest point of the graph
What is the equation that represents the sentence, "Twenty-four is the sum of a number and six " Use x for the variable.
24+6= x
24 = x+6
24+ X= 6
X= 6+ 24
Answer:
answer B
Step-by-step explanation:
i took test
24 = x+6 is the equation that represents the sentence, "Twenty-four is the sum of a number and six "
What is equation?Two or more expressions with an equal sign is called Equation.
The given sentence is
Twenty-four is the sum of a number and six ,
Let the other number be x.
By the given sentence, we are clear that we have to get 24 when a number and 6 are added.
Twenty-four is the sum of a number and six , we can write as
24=x+6
Therefore 24=x+6 is the equation that represents sentence "Twenty-four is the sum of a number and six ".
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You wish to estimate with 90% confidence, the population proportion of U. S adults who eat fast food four to six times per week. Your estimate must be accurate within 3% for the population proportion. A) No preliminary estimate is available. Find the minimum sample size needed. B) Find the minimum sample size needed, using a proper study that found that 11% of U. S adults eat fast food four to six times per week
We need a minimum sample size of 336 to estimate the population proportion of U.S. adults who eat fast food four to six times per week with a 90% confidence level.
A) When there is no preliminary estimate available, we can use the worst-case scenario, which is p = 0.5 (since this gives the maximum possible variability). The margin of error is given as 3% or 0.03. The formula to calculate the minimum sample size needed is:
n = [Z² x p x (1 - p)] / E²
where Z is the z-value for the desired confidence level, p is the population proportion, and E is the margin of error.
At 90% confidence, the z-value is 1.645. Plugging in the values, we get:
n = [(1.645)² x 0.5 x (1 - 0.5)] / (0.03)²
n ≈ 1217.75
We need a minimum sample size of 1218 to estimate the population proportion of U.S. adults who eat fast food four to six times per week with a 90% confidence level and an accuracy of 3%.
B) If a proper study found that 11% of U.S. adults eat fast food four to six times per week, we can use this as a preliminary estimate and calculate the minimum sample size needed with the formula:
n = [Z² x p x (1 - p)] / E²
where p is the preliminary estimate of the population proportion (0.11), and the other variables are the same as before.
At 90% confidence, the z-value is 1.645. Plugging in the values, we get:
n = [(1.645)² x 0.11 x (1 - 0.11)] / (0.03)²
n ≈ 335.77
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(What did Benjamin Franklin use to lighten the mood in Philadelphia where the Constitution was being written?)
Sense of humor.
Ice cream.
An air-cooling device he had invented.
Poetic readings.
Answer:
Ice cream
Step-by-step explanation:
During the 1787 convention in Philadelphia when the constitution was being formed by the founding fathers, their sessions would usually end in heated arguments and disagreements.
To calm the delegates after the draining sessions, Benjamin Franklin who was then mostly in his home and 81 years old at that time, came up with the idea of entertaining the delegates in his home with the cold cream. His idea was helpful in reducing tensions.
Answer:
An air cooling he has invented
Step-by-step explanation:
A 292929-meter ladder is sliding down a vertical wall so the distance between the top of the ladder and the ground is decreasing at 777 meters per minute. At a certain instant, the bottom of the ladder is 212121 meters from the wall.
Answer: The rate of change of the distancebetween the bottom of the ladder and the wall at that instant is 6.67 meter per minute.Let us consider that distance between the top of the ladder and the ground is x meterand distance between the bottom of the ladder and the wall is y meter.So, A right angle triangle is formed.Since, the bottom of the ladder is 21 meters from the wall.So, Applying Pythagoras theorem, Given that, the distance between the top of the ladder and the ground is decreasing at 7 meters per minute. Differentiate below equation with respect to time. Thus, the rate of change of the distance between the bottom of the ladder and the wall at that instant is 6.67 meter per minute
Step-by-step explanation:
tabitha has $4.35 in dimes and quarters. if the quantity of dimes is three more than twice the number of quarters, how many of each coin does she have? (note: a dime is worth $0.10 and a quarter is worth $0.25)
As per the unitary method, the number of dimes is 4.35 and the number of quarters is 30.55
Here we have given that Tabitha has $4.35 in dimes and quarters. if the quantity of dimes is three more than twice the number of quarters.
And we need to find how many of each coin does she have.
Here let us consider x be the number of dimes and y be the number of quarters.
And we also consider that there are hundred coins in total, so
=> x + y = 100 -------------------(Equation 1)
Now, here he has x dimes, each dime is 10¢ = $0.10 and in total he has $ 0.10x in dimes.
Then if he has y quarters, each quarter is 25¢ = $0.25, then in total he has $ 0.25y in quarters.
While we adding the above two quantities,
Then he has 0.1x + 0.25y in dimes and quarters,
Here we know the total amount of money he has is $4.35,
Then it can be written as
=> 0.10x + 0.25y = 4.35 ---------------------------- (Equation 2).
Then we have to solve these two simultaneously for x and y
By multiply equation 2 by 10 on the left and right hand sides, which gives
=> x + 2.5y = 43.5 (Equation 3).
Then subtract equation (1) from equation (3) to eliminate x.
=> 1.5y = 56.5
=> 3.77
Then the value of x is
=> x = 43.5 - 12.95
=> x = 30.55
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Sam took a flight from Dubai to Qatar. He left Dubai at 4 pm local time. The flight duration was 1 hour. If Qatar is 2 hours ahead of Dubai, what was the local time in Qatar when he arrived?
find the difference between the square of 18 and the square of 9
Answer:
18 x 9 = 162
Step-by-step explanation:
equivalent of 100 sqrt 2
Answer:
141.421356237
URGENT!!!!!!
500 sheets of paper is 6.5 cm thick. How thick is a pile of 350 sheets of the same paper?
Answer:
4.55
Step-by-step explanation:
step 1. 6.5 / 500 = .013
step 2. .013 X 350 = 4.55
Hope this helps
If the same number is subtracted from both the numerator and the denominator of 13/17 , the result is 2/3 . Find the number.
Given that the same number is subtracted from both the numerator and the denominator of `13/17`, and the result is `2/3`. Let's find the number. In order to find the number, let's represent the number in the form of 'x'.
Therefore, the new fraction after subtracting the number 'x' from the numerator and the denominator of `13/17` is `13-x/17-x`. As per the problem, `(13-x)/(17-x) = 2/3` Now, let's solve for
'x'`(13-x) × 3 = 2 × (17-x)` `39 - 3x
= 34 - 2x` `x
= 5`
Therefore, the number which is to be subtracted from both the numerator and the denominator of `13/17` is `5`. "The number to be subtracted from both the numerator and the denominator of `13/17` is `5`." Given, `(13-x)/(17-x) = 2/3` the value of 'x' Taking cross multiplication, `(13-x) × 3 = 2 × (17-x)` Simplifying, `39 - 3x = 34 - 2x` On solving for 'x', we get `x = 5`.
Therefore, the number which is to be subtracted from both the numerator and the denominator of `13/17` is `5`. The given problem is about finding the number which is to be subtracted from both the numerator and the denominator of `13/17`, such that the new fraction is equal to `2/3`.Therefore, let's represent the number to be subtracted in the form of 'x'. So, the new fraction will be `(13-x)/(17-x)`. According to the given information, we have `(13-x)/(17-x) = 2/3`. On simplifying the above expression, we get `(13-x) × 3 = 2 × (17-x)`. Hence, the number which is to be subtracted from both the numerator and the denominator of `13/17` is `5`.
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Which of the following statements are true about checking accounts: (select all that apply) A:Some checking accounts require a low minimum balance to avoid maintenance fee. B:You can easily withdraw funds from a checking account. c:There are many types of checking accounts. d:A Money Market account can be a type of a checking account. None of the checking accounts earn interest. e:Some checking accounts allow for join use. f:Even if you open a free checking account, a bank can charge penalties on the account. g:All checking accounts are free of restrictions and fees.
Answer:
The correct options are;
B. You can easily withdraw funds from a checking account
C. There are many types of checking accounts
E. Some checking account allow for joint use
F. Even if you open a free checking account a bank can still charge penalties on the account
Step-by-step explanation:
A checking, also known as transactional accounts or demand account is an account into which a bank costumer can deposit money and also withdraw from the money from the account. The high liquid nature of checking account makes it easier to access the account for transactions, and the checking account can also be accessed through automated teller machines, electronic debit cards and checks as well as other methods.
Types of checking accounts include;
1) Regular checking account
2) Premium checking account
3) Free checking account
4) Low-balance account
5) Interest- bearing checking account
6) Second-chance checking account
A weighing process has an upper specification of 1.751 grams and a lower specification of 1.632 grams. A sample of parts had a mean of 1.7 grams with a standard deviaiton of 0.023 grams. Round your answer to four decimal places. What is the process capability index for this system? A quality control technician has been monitoring the output of a milling machine. Each day, the technician selects a random sample of 20 parts to measure and plot on the control chart. Over 10 days, the average diameter was 1.251 millimeters with a standard deviation of 0.0425 millimeters. Round your answer to four decimal places. What is the lower control limit (LCL) for an X-bar chart of this data? millimeters A sample of 20 parts is weighed every hour. After 36 hours, the standard deviation of the data is 0.173 grams. You wish to prepare an X-bar chart of this data. Round your answer to four decimal places. What is the estimated standard deviation (ESD) of this data?
The estimated standard deviation (ESD) of the data is approximately 0.0639 grams.
To calculate the process capability index (Cpk), we use the following formula:
Cpk = min((Upper Specification Limit - Mean) / (3 * Standard Deviation), (Mean - Lower Specification Limit) / (3 * Standard Deviation))
In this case, the upper specification limit is 1.751 grams, the lower specification limit is 1.632 grams, the mean is 1.7 grams, and the standard deviation is 0.023 grams.
Let's plug in the values and calculate the process capability index:
Cpk = min((1.751 - 1.7) / (3 * 0.023), (1.7 - 1.632) / (3 * 0.023))
Cpk = min(0.051 / 0.069, 0.068 / 0.069)
Cpk = min(0.7391, 0.9855)
Cpk = 0.7391
Therefore, the process capability index for this system is approximately 0.7391.
To calculate the lower control limit (LCL) for an X-bar chart, we use the following formula:
LCL = Mean - (3 * Standard Deviation / sqrt(n))
In this case, the mean is 1.251 millimeters, the standard deviation is 0.0425 millimeters, and the sample size is 20.
Let's calculate the lower control limit:
LCL = 1.251 - (3 * 0.0425 / sqrt(20))
LCL ≈ 1.251 - (3 * 0.0095)
LCL ≈ 1.251 - 0.0285
LCL ≈ 1.2225 millimeters
Therefore, the lower control limit (LCL) for an X-bar chart of this data is approximately 1.2225 millimeters.
To calculate the estimated standard deviation (ESD) for an X-bar chart, we use the following formula:
ESD = R-bar / d2
In this case, the standard deviation is given as 0.173 grams.
Let's calculate the estimated standard deviation:ESD = 0.173 / d2 (for a sample size of 20, d2 = 2.704)
ESD ≈ 0.173 / 2.704
ESD ≈ 0.0639 grams
Therefore, the estimated standard deviation (ESD) of the data is approximately 0.0639 grams.
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Pls solve I will mark brainliest
Answer:
292.5
Step-by-step explanation:
1/2*13(20cm+25cm)
Let (Bt) denote a Brownian motion under the real-world measure with Bo = 0. Consider the Black-Scholes model for the stock price, d.St = 2Stdt + 4StdBt, So = 1, the savings account is given by t = 1 for all t. = (a) Write down the condition for a portfolio in this model to be self-financing. Consider the portfolio given by a = -t (units of the stock) and b Sudu (units of the savings account), determine with proof whether this portfolio is self-financing. ER State the Girsanov theorem. Using it, or otherwise, derive the expression (not the stochastic differential) for St, in terms of a Brownian motion under the equivalent martingale measure (EMM). (c) Denote by Ct the price at time t ≤ 2 of the call option on this stock with exercise price K = 1 and expiration date T = 2. By quoting an appropriate result, give the expression for Ct. Find the answer (in terms of the normal distribution function) for the case when t = 1.
The condition for a portfolio to be self-financing in the Black-Scholes model is that the portfolio's value does not change due to trading (buying or selling) costs or external cash flows. In other words, the portfolio's value remains constant over time, excluding the effects of the underlying assets' price changes.
For the given portfolio, a = -t (units of the stock) and b = S_t (units of the savings account). To determine if this portfolio is self-financing, we need to check if its value remains constant over time. Using Ito's lemma, we can express the value of the portfolio as:
d(Vt) = a_t * d(St) + b_t * d(Ct)
Substituting the values of a and b, we have:
d(Vt) = -t * (2St * dt + 4St * dBt) + S_t * d(t)
Simplifying this expression, we get:
d(Vt) = -2tSt * dt - 4tSt * dBt + S_t * dt
The portfolio is self-financing if d(Vt) = 0. However, in this case, we can see that the terms involving dBt do not cancel out, indicating that the portfolio is not self-financing.
Girsanov's theorem states that under certain conditions, it is possible to transform a Brownian motion under the real-world measure into a Brownian motion under an equivalent martingale measure (EMM). The EMM is a probability measure under which the discounted asset prices are martingales. By applying Girsanov's theorem or alternative techniques, we can derive the expression for St, the stock price, under the EMM. Unfortunately, without further information or specifications, it is not possible to provide the specific expression in this case.
To determine the price Ct of the call option on the stock at time t ≤ 2, with an exercise price K = 1 and expiration date T = 2, additional information or an appropriate result is required. Without specific details, such as the volatility of the stock or the risk-free interest rate, it is not possible to provide an expression for Ct.
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Question 17 of 33
Which of the following terms best describes a group of equations in which at
least one equation is nonlinear, all of the equations have the same variables,
and all of the equations are used together to solve a problem?
A. System of linear inequalities
B. System of nonlinear equations
C. System of linear equations
D. System of nonlinear inequalities
Answer:
C
Step-by-step explanation:
i took the test