Answer:
c the right tail is longer than the left
Step-by-step explanation:
A bag of candy costs $3.75. If sales tax is 4% of the cost, HOW MUCH WOULD YOU BE CHARGED IN TAXES?
Answer:
0.15
Step-by-step explanation:
Brainliest?
Answer:
If a bag of candy costs $3.75 and the sales tax was 4% of the cost, then the amount of tax you would be charged is $.15
Step-by-step explanation:
4% = 0.04
0.04 * 3.75=.15
$.15
hope this helped :)
How many possible sandwiches can be made from 3 types of bread, 5 types of cheese, and 6 types of filling, assuming each sandwich is made with 1 type of bread, 1 type of cheese, and 1 filling type?
Total combinations = each item x each item:
3 breads x 5 cheese x 6 filling = 90 different combinations
You have an annual salary of $85,063. Your monthly expenses include a $1,555 mortgage payment, a $274 car lease payment, $139 in minimum credit card payments, and a $179 payment on your student loan. Calculate your DTI (debt-to-income) ratio as a PERCENTAGE
Answer:
DTI ratio in percentage = 30.29%
Step-by-step explanation:
Annual salary = $85,063
This means that gross monthly pay = 85063/12 = $7088.58
Now,
Total monthly debt payments = 1555 + 274 + 139 + 179 = $2147
Debt to income ratio = (2147/7088.58) × 100% = 30.29%
A polynomial of the 5th
degree with a leading coefficient of 7 a and a constant term of 6
Answer:
7x^5 +6
Step-by-step explanation:
The simple interest on $600 saved for 3 years at an interest rate of 6 percent. Find the interest
Answer:
interest = $108
Step-by-step explanation:
interest = p * r * t
interest = 600*0.06*3
interest = $108
1)
If A is an m x n matrix and B is an n x r matrix, then the product C = AB is:
Group of answer choices
a) Undefined
b) An m x r matrix
c) An m x m matrix
d) An n x n matrix
2) A sequence {Xn} of state matrices that are related by the equation Xk+1 = PXk where P is a stochastic (probability) matrix is called a _______.
3) In Hypothesis testing, each level of significance α has a critical value C that determines the __________ for H0.
The answer to given statements are
1. the correct answer is b) An m x r matrix.
2. Markov chain
3. rejection region
1. The product C = AB of an m x n matrix A and an n x r matrix B will result in an m x r matrix.
Therefore, the correct answer is b) An m x r matrix.
2. A sequence {Xₙ} of state matrices that are related by the equation Xk+1 = PXk, where P is a stochastic (probability) matrix, is called a Markov chain.
3. In hypothesis testing, each level of significance α has a critical value C that determines the rejection region for H0.
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which list shows these numbers in order from least to greatest?
Answer:
B
Step-by-step explanation:
[tex]\sqrt{9}[/tex] = 3
3[tex]\pi[/tex] = 9.42477
-2.4 = -2.4
-5 = -5
20% = 0.20
You start at (8, 0). You move left 8 units. Where do you end?
Answer:
(0, 0)
Step-by-step explanation:
x = 8 - 8 = 0
y-value remains the same.
Answer: You would move to the origin (0,0)
Step-by-step explanation:
This is because when you move in teh direction of left or right you would utilize the x-axis. Thus, moving over to the left 8 units would lead you to the origin or in other words (0,0).
use the remainder theorem to find the remainder when `p(x)=x^{4}-9x^{3}-5x^{2}-3x 4` is divided by `x 3`
We need to use the remainder theorem to find the remainder when the polynomial p(x) = x^4 - 9x^3 - 5x^2 - 3x + 4 is divided by the polynomial x - 3. The remainder when p(x) is divided by x - 3 is -212.
The remainder theorem states that if a polynomial f(x) is divided by x - a, then the remainder is equal to f(a).
In this case, we want to find the remainder when p(x) is divided by x - 3. To do this, we substitute x = 3 into the polynomial p(x) and calculate the result.
p(3) = (3)^4 - 9(3)^3 - 5(3)^2 - 3(3) + 4
= 81 - 243 - 45 - 9 + 4
= -212
Therefore, the remainder when p(x) is divided by x - 3 is -212.
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Each day that a library book is kept past its due date, a $0.30 fee is charged at midnight. Which ordered pair is a viable solution if x represents the number of days that a library book is late and y represents the total fee?
(–3, –0.90)
(–2.5, –0.75)
(4.5, 1.35)
(8, 2.40)
Answer:
The last option is correct
A small business owner is determining her profit for one month. Her expenses were $230.21 for utilities, $2,679.82 for rent, and $3,975.00 for employee salaries. She made $11,449.27 in sales for the month. What is her profit?
Her profit would amount to $4564.24 for one month which is determined by subtracting her total expenses from made revenue.
What are Arithmetic operations?Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.
- Subtraction operation: Subtracts the right-hand operand from the left-hand operand.
for example 12 -2 = 10
For the month, she made a revenue of $11,449.27.
To calculate her profit, we have to subtract her total expenses from made revenue.
Her expenses were $230.21 for utilities, $2,679.82 for rent, and $3,975.00 for employee salaries which are given in the question.
Total expenses = 230.21 + 2,679.82 + 3,975.00 = 6885.03
As per the given data, the solution would be:
⇒ Total revenue - Total expenses
⇒ 11,449.27 - 11,449.27
Apply the subtraction operation, and we get
⇒ 4564.24
Therefore, her profit would amount to $4564.24 for one month.
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What is -3/5 multiplied by 4/7?
Pls show answer with step by step answers explained pls
Answer:
-12/35
Step-by-step explanation:
-3×4/5×7
-12/35
SKETCH the area D between the lines x = 0, y = 3 – 37, and y = 3.x – 3. Set up and integrate the iterated double integral for D∫∫xdA.
The area D is bounded by the lines x = 0, y = 3 – 37, and y = 3x – 3. To calculate the iterated double integral for ∫∫xdA over D, the value of the iterated double integral ∫∫xdA over the area D is 0.
To set up the iterated double integral for ∫∫xdA over D, we first need to determine the limits of integration for x and y. Looking at the given lines, x = 0 indicates that x varies from 0 to some upper limit. The line y = 3 – 37 represents a horizontal line, indicating that y has a constant value of 3 – 37, which simplifies to -34. The line y = 3x – 3 represents a slanted line with a slope of 3, indicating that y varies linearly with x.
To find the limits of integration for x, we need to determine the x-values where the slanted line and the vertical line intersect. Setting 3x – 3 equal to 0, we find x = 1. Substituting this value back into the slanted line equation, we get y = 3(1) – 3 = 0. Therefore, x varies from 0 to 1.
For y, since it has a constant value of -34, the limits of integration for y are -34 to -34.
Setting up the iterated double integral, we have ∫∫xdA = ∫[0 to 1]∫[-34 to -34] x dy dx. Integrating with respect to y first, we have ∫[0 to 1] x(-34 - (-34)) dx, which simplifies to ∫[0 to 1] 0 dx. Finally, integrating with respect to x, we get 0. Therefore, the value of the iterated double integral ∫∫xdA over the area D is 0.
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"
(a) Show that if Y CZ and Z is bounded in (X,d), then Y is bounded and diam Y < diam Z. (b) Assume Y, Z C (x,d) are bounded. Show that diam(Y UZ) < diam Y + diam Z. (c) If Y C(X,d) is bounded
"
If Y is a subset of Z and Z is bounded in (X, d), then Y is bounded and the diameter of Y is less than the diameter of Z, and Assuming Y and Z are subsets of (X, d) and both are bounded, the diameter of the union of Y and Z, denoted as Y U Z, is less than the sum of the diameters of Y and Z. If Y is a subset of (X, d) and Y is bounded, the above statements still hold.
(a) If Y is a subset of Z and Z is bounded in (X, d), then Y is bounded and the diameter of Y is less than the diameter of Z.
To show that Y is bounded, we consider that Z is bounded, which means there exists a positive real number M such that for any two points z1 and z2 in Z, the distance between them, d(z1, z2), is less than or equal to M. Since Y is a subset of Z, every point in Y is also a point in Z. Therefore, the distance between any two points in Y, which is a subset of Z, is also less than or equal to M. Thus, Y is bounded.
Now, let's compare the diameters of Y and Z. The diameter of a set is defined as the supremum (least upper bound) of the distances between all pairs of points in the set. Since Y is a subset of Z, the distances between any two points in Y will also be distances between points in Z. Therefore, the diameter of Y cannot exceed the diameter of Z. In other words, diam Y < diam Z.
(b) Assuming Y and Z are subsets of (X, d) and both are bounded, we can show that the diameter of the union of Y and Z, denoted as Y U Z, is less than the sum of the diameters of Y and Z.
To prove this, let's consider two points p1 and p2 in Y U Z. These points can either both belong to Y or both belong to Z, or one point belongs to Y and the other belongs to Z. In any case, the distance between p1 and p2 will be either within Y or within Z, or it will be the sum of distances within Y and Z. In all scenarios, the distance between p1 and p2 will be less than or equal to the sum of the diameters of Y and Z.
Therefore, diam(Y U Z) < diam Y + diam Z.
(c) If Y is a subset of (X, d) and Y is bounded, the above statements still hold. The arguments presented in parts (a) and (b) remain valid regardless of the specific properties of Y as long as it is a subset of the metric space (X, d) and bounded.
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There are 6 cartons of orange juice in each package shown above. Kelsi paid $10.50 for 6 cartons of orange juice. What is the unit price per carton of orange juice?
A) $1.25 per carton B) $1.60 per carton © $1.75 per carton D) $1.80 per carton
Answer:
c) 1.75
Step-by-step explanation:
Answer:
1:75
Step-by-step explanation:
Consider the differential equation governing the motion of a block attached to a damped spring given by x¨+x˙+x=0 for a>0 and b>0. Is the equilibrium y globally asymptotically stable?
a) yes
b) no
Given the differential equation governing the motion of a block attached to a damped spring: x¨+x˙+x=0; a > 0, b > 0.To check if the equilibrium y is globally asymptotically stable or not, we will analyze the differential equation in detail. In the differential equation, x is the displacement of the block from the equilibrium position. When the block is at the equilibrium position, the displacement is zero. The equilibrium solution is x = 0.x¨ + x˙ + x = 0 represents a linear homogeneous differential equation of the second order with constant coefficients. The characteristic equation is r² + r + 1 = 0.
Let's solve the above characteristic equation: r² + r + 1 = 0r = (-b ± sqrt(b² - 4ac))/2a= (-1 ± sqrt(-3))/2As a > 0 and b > 0, r has negative real part. This means the solution of the differential equation is exponentially stable, which means that the system is asymptotically stable. Thus, the equilibrium y is globally asymptotically stable. Hence, the correct option is: a) yes.
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Question 4 of 15
When asked to find the sum of two mixed numbers with different
denominators, you should before you add.
A. round each fraction
B. find the difference
C. find a common denominator
When asked to find the sum of two mixed numbers with different denominators, you should find a (C) common denominator before you add.
To add fractions with different denominators, it is necessary to find a common denominator for both fractions. Once the fractions have the same denominator, you can add or subtract the numerators while keeping the denominator unchanged. This allows for a meaningful addition of the fractions.
To find a common denominator, you need to determine the least common multiple (LCM) of the denominators. The LCM is the smallest multiple that both denominators can divide evenly into. Once you have the common denominator, you can convert each fraction to an equivalent fraction with that denominator and then perform the addition.
After finding the common denominator, you add the numerators of the fractions and keep the common denominator. This will give you the sum of the two mixed numbers with different denominators. The correct answer is C. find a common denominator.
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Find the volume of a right circular cone that has a height of 9.7 ft and a base with a
radius of 7.6 ft. Round your answer to the nearest tenth of a cubic foot.
Height =9.7ft
Radius=7.6 feet
Volume of a cone =pai r2 h/3 =3.14×57.76×9.7÷3 =586.4103(roundoff)=586ft
Please say the answer as fast as possible. Your quick response would be highly appreciated. ( also please show the working , you could either type it or send a picture )
Answer:
Step-by-step explanation:
If f(x) = 3x + 2, what is f(5)?
Hi there!
[tex]\large\boxed{f(5) = 17}}[/tex]
f(x) = 3x + 2, find f(5):
To find f(5), we simply substitute in 5 for x:
f(5) = 3(5) + 2
f(5) = 15 + 2
f(5) = 17
PLEASEEE HELP WILL MARK BRAINLIEST HELP QUICK!!
Answer:
A) y = 2x + 3
Step-by-step explanation:
when x is 2 and y is 7:
y = 2(2) + 3
y = 4 + 3
y = 7
This goes for the other values as well
Answer I think it is A
Step-by-step explanation:
2 x 2 = 4 + 3 = 7
2 x 3 = 6 + 3 = 9
2 x 4 = 8 + 3 = 11
Generate a variable for the log of prices
Estimate the logistic regression for smoke on lpcigs when hi_ed=0. Then, calculate the predicted values for Y. The command to do this is "predict yhat_0." Repeat for when hi_ed=1, and also create a predicted value variable yhat_1.
Compare the coefficients for the two models. In words, explain what the model is saying about the impact of lpcigs for the two different education groups.
Coeff for hi_ed= 0 = .2527531
Coeff for low_ed = 0 = .4337571
The demand for cigarettes is more likely to change when the price level if cigarettes changes for highly educated people whereas for lower educated individuals are willing to pay for it. Cigarettes are an inferior good as well.
Create a graph of the predicted values for the two versions. Use the following syntax: twoway (line yhat_0 lpcigs, sort) (line yhat_1 lpcigs, sort), legend(label(1 "low ed") label(2 "hi ed"))
For a low education person, if the price of cigarettes doubles, the by approximately how much this change the odds of smoking? (Remember the interpretation of a log variable. A doubling is a change of 100%.)
A 100% change in price will change odds of smoking for low educated person will change odds of smoking by log(.2527531) = -.5973
Part 3)
Run a logit regression (stata command logit) for smoke on all the independent variables: age, educ, pcigs, income. Report the coefficients and p-values. This Model 1. Remember, for logit, (rather than logistic), the coefficients have not been exponentiated.
If the price of cigarettes increases by $1 (all else equal), then what will be the change in the odds of smoking?
If the price of cigarettes increases by $5 (all else equal), then what will be the change in the odds of smoking? (Here’s a hint: If you think this will be 5x as large as in part b, you are wrong. Close, but wrong.)
Create an interaction variable of educ and income. Run another logit regression, adding this interaction to Model 1. Report the coefficients and p-values. This is Model 2.
What differences strike you about Model 1 and Model 2? In particular, note how the significance levels of the variables of educ and income have changed now that the interaction is included. In a clearly articulated paragraph (or two) give a thoughtful answer as to what you think must be going on. (This is not easy. Take your time and think hard about it. Your answer should contain two parts. First, talk about what the coefficients of the Model 2 regression are implying. Second, try and come up with an intuitive/economic hypothesis for why we are observing these results.)
In model 2, the interaction variable (educ_income) accounts for interaction b/w education and income, it is more clear how smoking rates are affected by income and education. Without interaction variable results influenced b/w the two variables, showing higher education level the higher the income.
One would think that people who are more educated and have higher levels of income ewould smoke less, but this is not always true. People who have higher incomes generally are more stressed out, which could increase their probability of smoking. They could use smoking as a way to relax, because they have more disposable income.
In summary, the logistic regression models show that the demand for cigarettes is more likely to change with price for highly educated people than for lower educated individuals. The interaction between education and income in Model 2 shows that smoking rates are affected by both income and education.
To know more about the specific statistical analyses and their interpretation, it is recommended to refer to a Stata or statistical analysis guide. The provided information summarizes the steps involved in the analysis and the main findings. Running logistic regressions allows us to understand the impact of various factors on smoking behavior, considering different education and income levels. The interaction variable helps capture the combined effect of education and income on smoking rates. The interpretation of the coefficients and their significance levels provides insights into the relationship between the variables and the likelihood of smoking. Understanding these findings can contribute to understanding smoking behaviors and inform potential interventions or policies.
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A drug store chain provides an app to its customers to track their shopping habits. One statistic the app
tracks is the amount of money the customer saves by purchasing sale items. The company's sales
team pulls data from the previous year for a random sample of 50 customers. They find that the
mean amount of money saved by these customers in the previous year is $154 with a standard
deviation of $26.
(a) Construct a 99% confidence interval for the true mean amount of money saved by all customers
in the previous year by purchasing sale items.
(b) The sales team would like to repeat this study with the goal of obtaining a smaller margin of
error. Propose two changes that would decrease the margin of error. What are potential
drawbacks if those changes are implemented?
Answer:
a) CI ( 99% ) = ( 145,45 : 162,55)
b) b) In order to decrease the MOE the sales team has to increase the sample or decrease de 99% of the CI let´s say to 95 % but in that case
you will increase de error type I
Step-by-step explanation:
a) CI = 99 % α = 1% α = 0,01
From z-table z(c) ≈ - 2,325 |z(c)| ≈ 2,325
CI = ( μ₀ ± z(c) * σ/√n )
CI = ( 154 - (2,325) * 26/√50 ; 154 + (2,325) * 26/√50 )
CI = ( 154 - 8,55 ; 154 + 8,55
CI ( 99% ) = ( 145,45 : 162,55)
b) In order to decrease the MOE the sales team has to increase the sample or decrease de 99% of the CI let´s say to 95 % but in that case
you will increase de error type I
What is the probability that a randomly selected bottle is correctly placed and a Plastic #4 bottle?
A. 1/2
B. 1/3
C. 1/4
D. 1/6
Answer:
1/4
Step-by-step explanation:
Sergio ate 3.5 cookies. Each cookie contained 5.7 grams of sugar. How many grams of sugar did Sergio eat?
Which can be used to find the partial sum of the
first six terms?
1-55
4
1-59
1-5
1-5
(
이는
O O
(1-5)
1-5
1-65
1-6
4
DONE
Answer: A
Step-by-step explanation: Edge 2020
Answer:
A
Step-by-step explanation:
Correct on EDGE 2022
What is the volume of the two boxes?
Answer:
volume = 2520 mm³
Step-by-step explanation:
v = 2x12x7x15 = 2520 mm³
PLS HELP ME PLS ACTUALLY PUT AN ANSWER
Answer:
Hi
Step-by-step explanation:
The answer is B and D.
Hope it's correct.
The theoretical probability of rolling a 6 with a single die is
Answer:
1/6
Since there are 6 faces and you're asking if 1 face is the probability, the probability is 1/6
Please answer^^ I will give you brainlist!
Yes 5th grade math :clown face:
Answer:
Venn is the circles and the tree is the green one (ignore the other thing on tree)