Ella was paid an 11 percent commission on the pair of shoes that she sold. The department store had paid $25 wholesale for the shoes and had marked up the price by 40 percent to the selling price. How much did Ella earn for the sale?
Answers
Answer:
The answer is B. $3.85.
Step-by-step explanation:
This is because, first if we get the percentage that the shoes were marked up by, we get that they were marked up to $35, because 40% of $25 is $10 and $25 + $10 = $35.
Then, we find the percentage of $35 that she earned. In order to do this, we see what 11% of $35 is. We get $3.85, because 10% of $35 is $3.50, and 1% of $35 is $0.35. $3.50 + $0.35 = $3.85.
This is why the answer is B. $3.85.
Answer:
$6.88
Step-by-step explanation:
0.11(25/0.4)
0.11(62.5)
$6.88
Related Questions
Halona walks 1.93 kilometers to a neighbor’s house in 23 minutes. Assuming she walks at a constant speed, write a proportion that represents how many kilometers, y, Halona can walk in x minutes. Then solve your proportion for y.
HELPPPPP
Answers
Answer:
y = x(0.083913)
Step-by-step explanation:
easy
hey timmy
Find the co-ordinate of a pont on Y-axis which is at a distance of 17 units from the point(-8,3)
Answers
Answer:
15 units
Step-by-step explanation:
√[ 17² - ( - 8)² ] = 15 ( on y-axis )
Coordinate of the point = ( 0 , 15 )
The mean absolute deviation is 46,54,43,57,50,62,78,42
Answers
The mean absolute deviation (MAD) of the given set of numbers is 8.75.
What is the mean absolute deviation (MAD)?The mean absolute deviation (MAD) of a group of data points is a statistical metric used to evaluate its dispersion or variability. It indicates how far off the data values are from the mean (average) of the data collection.
Let's calculate the MAD for the given set of numbers: 46, 54, 43, 57, 50, 62, 78, 42.
Calculate the mean:
Mean = (46 + 54 + 43 + 57 + 50 + 62 + 78 + 42) / 8 = 432 / 8 = 54
Find the absolute difference between each number and the mean:
|46 - 54| = 8
|54 - 54| = 0
|43 - 54| = 11
|57 - 54| = 3
|50 - 54| = 4
|62 - 54| = 8
|78 - 54| = 24
|42 - 54| = 12
Calculate the average of these absolute differences:
MAD = (8 + 0 + 11 + 3 + 4 + 8 + 24 + 12) / 8 = 70 / 8 = 8.75
Therefore, the mean absolute deviation (MAD) of the given set of numbers is 8.75.
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Prove that AO=OC (Hint: the answer has nothing to do with rotation).
Answers
i.e, OA=OC & OB=OD
Now In ΔAOD and ΔBOC
AD=BC [opposite sides are equal]
∠ADO=∠CBO [alternate interior angle]
Similarly ∠DAO=∠BCO
∴ΔAOD≅ΔBOC by (ASA rule)
So, OA=OC & OB=OB
ASAP PLS HELP ME WITH THIS
Answers
Answer:
426
Step-by-step explanation:
find area of bottom: 26 x 15 = 390
find area of triangle: 8 x 9 = 72/2 = 36
390 + 36 = 426
Answer:
It would be 426 ft.
Step-by-step explanation:
First, you find the size of the rectangle and that is 390 ft. Then the area of the triangle which is 9 multiplied by 8 then divided by 2. Last, add the area of the triangle and the rectangle to get you an answer of 426 ft.
Which box can be represented by the equation y=1/3x?
Answers
Answer:
B. X = 15
Y = 5
Step-by-step explanation:
It’s the answer
A scientist is conducting a study on the effect of eating chocolate and overall mood. They believe that gender is a significant factor. The participants are divided by gender. Then, within each group, participants are randomly assigned to consume either chocolate or a placebo and then rate their mood for the day. This experiment will run for two weeks. Which type of experimental design does this situation describe?
A. Randomized Block Design.
B. Matched-Pair Design.
C. Case-Control Design.
D. Completely Randomized Design.
Answers
Answer:
The correct option is;
A. Randomized block design
Step-by-step explanation:
A randomized block design is one where the sample or subjects of the experiment are split into groups called blocks of experimental units where the variation in each block is lower than the variation among or between blocks, such that variation is controlled. In a random order, the treatments are performed on each experimental of the blocks.
In the question, the experimental units are grouped by gender and the treatment (consumption of chocolate or placebo) is randomly administered to the experimental units.
public class BinarySearch \{ public static void main(Stringll args) f int [1]yl ist ={1,2,3,7,10,12,20}; int result = binarysearch ( inylist, 20); if (result =−1 ) System, out, println("Not found:"); else System.out.println("The index of the input key is " + result+ ". "): y public static int binarysearch(int]l List, int key) \{ int low =0; int high = iist. length −1 while (high >= low) \& int mid =( low + high )/2; if (key < List [mid] high = mid −1; else if (key =1 ist [ mid ] ) return inid; else low = mid +1; return −1; // Not found \} l TASK 4: Binary Search in descending order We have learned and practiced the implementation of the binary search approach that works on an array in ascending order. Now let's think about how to modify the above code to make it work on an array in descending order. Name your new binary search method as "binarysearch2". Implement your own code in Eclipse, and ensure it runs without errors. Submit your source code file (.java file) and your console output screenshot. Hint: In the ascending order case, our logic is as follows: int mid =( low + high )/2 if ( key < list [mid] ) else if (key = ist [mid]) return mid; In the descending order case; what should our logic be like? (Swap two lines in the above code.)
Answers
The task involves modifying the given code to implement binary search on an array in descending order. The logic of the code needs to be adjusted accordingly.
The task requires modifying the existing code to perform binary search on an array sorted in descending order. In the original code, the logic for the ascending order was based on comparing the key with the middle element of the list. However, in the descending order case, we need to adjust the logic.
To implement binary search on a descending array, we need to swap the order of the conditions in the code. Instead of checking if the key is less than the middle element, we need to check if the key is greater than the middle element. Similarly, the condition for equality also needs to be adjusted.
The modified code for binary search in descending order would look like this:
public static int binarysearch2(int[] list, int key) {
int low = 0;
int high = list.length - 1;
while (high >= low) {
int mid = (low + high) / 2;
if (key > list[mid])
high = mid - 1;
else if (key < list[mid])
low = mid + 1;
else
return mid;
}
return -1; // Not found
}
By swapping the conditions, we ensure that the algorithm correctly searches for the key in a descending ordered array.
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helpppppp adappppppppppp
Answers
Answer:
MEAN = 14 (AS PER ESTIMATION)
MEDIAN = 17
Step-by-step explanation:
Mean=Sum of terms/No.of terms
Then,
→13+16+14+17+17+8+16/ = 101/7 = 14.428571....…
Given, there is a chance to estimate,Thus, The mean is 14 as per estimation.And.....Median = The middle number
= 17
ThankYouPlease answer correctly! I will mark you as Brainliest!
Answers
Answer:
V = 336 ft3
Step-by-step explanation:
1/2*7*16*6
336
Answer: 336 ft cubed
Step-by-step explanation:
Formula is 1/2 times B times L times H so, 7 times 6 is 42, 42 times 16 is 672 and 672 divided by 2 or multiplied by 1/2 is 336
Sketch the region enclosed by the given curves. decide whether to integrate with respect to x or y. draw a typical approximating rectangle. y = ex, y = x2 − 1, x = −1, x = 1
Answers
\(e-\frac{1}{e} +\frac{4}{3} 0r 3.687\) is the value when the equation is to integrate with respect to x or y
we integrate with respect to x
Area = \(\int\limits^b_a{(f(x)-g(x))} \, dx\)
= \(\int\limits^1_-1{e^{x}-x^{2} +1 } \, dx\)
=\(e^{x} -\frac{x^{3} }{3} +x\)
substitute 1 and -1 in place of x
= \((e-\frac{1}{3}+1-\frac{1}{e} -\frac{1}{3} +1)\)
= \(e-\frac{1}{e} + \frac{4}{3} or 3.6837\)
The diagram was attached in the given below.
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Christopher bought 12 of the 20 items on his shopping list. Wite the ratio of acquired items to nonacquired iterns. 1. A powdered drink mbx calls for 3 scoops powder to 8 ounces of water. How. much powder do you need to make a gallon of drink mbx? 2. Find the actual width of a buiding if the modol of the building is 5 cm wide by 68.7 cm long, and the actual length of the building is 140.9 m : 3. The distance from Cincinnati to Terre Haute is 2.1 on the map. In roality. Cincinnati to Tecre Haule is 184 miles. On the map, the distance from Terro Hatte to St. Louis is 1.9
∘
on the map. How far away in reality is Terre Haute to St. Louis?
Answers
1. You would need 48 scoops of powder to make a gallon of drink mix.
2. The actual width of the building is approximately 1,026.32 cm.
3. The actual distance between Terre Haute and St. Louis is approximately 166.48 miles.
1. To find out how much powder is needed to make a gallon of drink mix, we need to first determine the ratio of powder to water and then calculate the amount of powder required for one gallon.
The given ratio is 3 scoops of powder to 8 ounces of water. Since there are 128 ounces in a gallon, we can set up the following proportion:
3 scoops powder / 8 ounces water = x scoops powder / 128 ounces water
Cross-multiplying and solving for x, we get:
8x = 3 * 128
8x = 384
x = 384 / 8
x = 48
Therefore, you would need 48 scoops of powder to make a gallon of drink mix.
2. If the model of the building is 5 cm wide and the actual length of the building is 140.9 m, we can use the scale of the model to find the actual width of the building.
The scale is given as 5 cm represents 68.7 cm. Let's set up a proportion:
5 cm / 68.7 cm = x cm / 140.9 m
To convert 140.9 m to cm, we multiply by 100 (since there are 100 cm in a meter):
140.9 m * 100 = 14,090 cm
Now, we can solve for x:
(5 cm * 14,090 cm) / 68.7 cm = x cm
x = 1,026.32 cm
Therefore, the actual width of the building is approximately 1,026.32 cm.
3. To determine the actual distance between Terre Haute and St. Louis, given the map distance from Terre Haute to St. Louis is 1.9, we need to find the scale of the map.
The given map distance from Cincinnati to Terre Haute is 2.1, and the actual distance is 184 miles. Let's set up a proportion:
2.1 / 184 = 1.9 / x
Cross-multiplying and solving for x, we get:
2.1x = 1.9 * 184
2.1x = 349.6
x = 349.6 / 2.1
x ≈ 166.48
Therefore, the actual distance between Terre Haute and St. Louis is approximately 166.48 miles.
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The average salary for teachers in Orange County is $43,787 with a standard deviation of $4800. The school board decides to be generous for once and give all teachers holiday a bonus of 500 plus an additional retention bonus
equal to 10 percent of their salary. What is the mean and standard deviation of the bonus the teachers will receive?
Answers
Answer:
500
Step-by-step explanation:
X over 100 = 100
What is X?
Answers
Answer:
x is 1000
Step-by-step explanation:
hope this helps
a card is drawn at random from a standard deck. that card is not put back in the deck, and a second card is drawn at random from the remaining cards in the deck. what is the probability that both of the cards are nines? do not round your intermediate computations. round your final answer to four decimal places.
Answers
Chance that the first card is a 9: 4/52 or 1/13
Chance that the second card is a 9: 3/52
Total probability is 1/13 • 3/52 ≈ 0.00443786982249
0.004438 or 0.4438%
Please answer correctly !!!!!!! Will mark a lot of points !!!!!!!!
Answers
Answer:
here it is
Step-by-step explanation:
Find the difference!
Answers
Answer:
2x + 10
_______
x^3 - 4x
Step-by-step explanation:
this is the answer
be eigenvectors of the matrix A which correspond to theeigenvalues λ1= -4, λ2= 2, andλ3=3, respectively, and let v =.
Express v as a linear combination of v1,v2, and v3, and find Av.
v = __________________ v1 + _______v2 +____________v3
Av=
Answers
To express vector v as a linear combination of vectors v1, v2, and v3 and find Av, we need to know the components of vector v, and then we can set up and solve a system of linear equations to determine the coefficients c1, c2, and c3, and calculate Av using matrix multiplication.
In order to express vector v as a linear combination of vectors v1, v2, and v3, we need to know the components of vector v. The components of a vector represent its values along each coordinate axis or direction. Let's assume that the components of vector v are denoted as v_x, v_y, and v_z, representing its values along the x, y, and z axes respectively.
Given that, we can express vector v as a linear combination of vectors v1, v2, and v3 as follows:
v = c1 * v1 + c2 * v2 + c3 * v3
where c1, c2, and c3 are constants that represent the coefficients or weights of the respective vectors v1, v2, and v3 in the linear combination.
To find the coefficients c1, c2, and c3, we can set up a system of linear equations based on the components of vector v and the given vectors v1, v2, and v3. We can then solve this system of linear equations to determine the values of c1, c2, and c3.
Once we have the coefficients c1, c2, and c3, we can also calculate Av, which represents the vector resulting from the matrix multiplication of a matrix A (formed by stacking v1, v2, and v3 as columns) and the column vector containing c1, c2, and c3 as its elements.
In summary, to express vector v as a linear combination of vectors v1, v2, and v3 and find Av, we need to know the components of vector v, and then we can set up and solve a system of linear equations to determine the coefficients c1, c2, and c3, and calculate Av using matrix multiplication.
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Its
its
ted just happens to be a really talented craftsman, and is known throughout his hometown as being a very good guitar builder. ted hopes to make
some money from this business for his tablet computer purchase. ted builds three types of guitars: archtops, electrics, and acoustics. ted builds 1
archtop guitar per month, 2 acoustic guitars per month, and 3 electric guitars per month. suppose that it takes ted x hours to build an archtop guitar,
y hours to build an electric guitar, and 2 hours to build an acoustic guitar.
write an equation relating x, y, and z if ted spends a total of 134 hours per month building guitars.
+
Answers
The equation relating x, y, and z in this scenario is 1x + 2y + 2z = 134, where x represents the hours to build an archtop guitar, y represents the hours to build an electric guitar, and z represents the hours to build an acoustic guitar.
Let's break down the information provided. Ted builds 1 archtop guitar per month, which takes x hours. He builds 2 acoustic guitars per month, each taking 2 hours, so the total time spent on acoustic guitars is 2z hours. He builds 3 electric guitars per month, each taking y hours, so the total time spent on electric guitars is 3y hours. Adding up the hours spent on each type of guitar gives us the total time Ted spends building guitars, which is 134 hours per month.
Therefore, the equation can be written as 1x (for the archtop) + 2y (for the electric) + 2z (for the acoustic) = 134. This equation represents the relationship between the hours required to build each type of guitar and the total time Ted spends on guitar building per month. By solving this equation, we can find the values of x, y, and z that satisfy Ted's total work hours of 134 per month.
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1.Round off 378811 to the nearest hundreds,thousands and ten thousand
2.Round off 267988 to the nearest hundreds,thousands and ten thousand
3.Round off 250260 to the nearest hundreds,thousands and ten thousand
4.Round 196596 to the nearest hundreds,thousands and ten thousand
5.Round off 193171 to the nearest hundreds,thousands and ten thousand
Answers
Given:
The numbers are 378811, 267988, 250260, 196596, 193171.
To find:
The approximate value of the given numbers to the nearest hundreds, thousands and ten thousand.
Solution:
The required values shown in the below table:
Numbers Nearest hundreds Nearest thousands Nearest ten thousand
378811 378800 379000 380000
267988 268000 268000 270000
250260 250300 250000 250000
196596 196600 197000 200000
193171 193200 193000 190000
Draw a graph of a line with a NEGATIVE slope. Draw two slope triangles formed by the line. Show that the simplified ratio of the rise/run of each triangle is equivalent
to the slope.
Answers
Answer:
Step-by-step explanation:
Here's a graph of a line with a negative slope:
| /
| /
| /
| /
|/
------->
The line descends from left to right.
To draw the slope triangles, we can choose any two points on the line and draw a triangle with one vertex at each point. Let's choose the points (0, 4) and (3, 0):
| /
| /
| / T1
| /
|/
----/-------
/|
/ |
/ |
/ |
T2
The height of the first triangle, T1, is the difference between the y-coordinates of the two points: 4 - 0 = 4. The base of T1 is the difference between the x-coordinates: 3 - 0 = 3. So the rise/run ratio for T1 is 4/3.
The height of the second triangle, T2, is the difference between the y-coordinates of the two points: 0 - 4 = -4. Note that because the slope of the line is negative, the height of the triangle is negative as well. The base of T2 is the difference between the x-coordinates: 3 - 0 = 3. So the rise/run ratio for T2 is (-4)/3, which simplifies to -1.33.
The slope of the line is defined as rise divided by run. In this case, the rise is -4 (because the line is descending) and the run is 3. So the slope is (-4)/3, which is approximately -1.33. We can see that the simplified ratio of the rise/run of each triangle is indeed equivalent to the slope of the line.
If a relation is a function will reversing the input and output also result in a function if yes explain why if not give a counter example
Answers
The function y = x is an example of a function that has an inverse that is itself a function. An inverse that is also a function would not exist for a function like \(y = x^2\) however.
What is function and its inverse?
A relation between a collection of inputs and outputs is known as a function. A function is, to put it simply, a relationship between inputs in which each input is connected to precisely one output.
A function that "undoes" another function is called an inverse. In other words, if f(x) produces y, then y entered into the inverse of f produces x. An invertible function is one that has an inverse, and the inverse is represented by the symbol f1.
Consider the function y = x, this function has an inverse because each input is connected to precisely one output.
Consider, the function \(y = x^2\), this function is not a function after reversing the input and output values.
Because after reversing the input and output values, for each two input values we have one output value. Then its not a function.
Therefore, the function y = x is an example of a function that has an inverse that is itself a function. An inverse that is also a function would not exist for a function like \(y = x^2\) however.
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what is the mean of the sampling distribution of the sample mean? A. The population standard deviation divided by the sqaure root of the sample size. B. The population mean C. The sample standard deviation D. The population standard deviation
Answers
The mean of the sampling distribution of the sample mean is equal to the population mean.
The mean of the sampling distribution of the sampling mean represents the average value of the sample means obtained from repeated sampling from the same population. According to the central limit theorem, as the sample size increases, the sampling distribution of the sample mean approaches a normal distribution.
on average, the sample means will be equal to the population mean. Therefore, the correct answer is B. The mean of the sampling distribution of the sample mean is the population mean.
Options A, C, and D are not correct because they do not accurately describe the mean of the sampling distribution of the sample mean.
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A popular restaurant likes to keep track of what food their patrons are ordering so that they can be better informed about what items they need to order in preparation for the next week. What would be the best way for the restaurant to organize this data with that end goal in mind
Answers
'The best way for the restaurant to organize the data would be to implement a robust and efficient data tracking system.
Here are some key considerations for organizing the data effectively:
Digital Database: Utilize a digital database to store and manage the data. This allows for easy storage, retrieval, and analysis of the information.Structured Data: Categorize and structure the data in a meaningful way. Create fields or columns for relevant information such as the date, customer ID, menu item, quantity, and any other pertinent details. This will facilitate sorting and filtering of the data.Itemized Orders: Record each individual menu item ordered separately, rather than lumping them together. This allows for accurate tracking of the popularity of each item.Frequency Analysis: Implement a system that can analyze the frequency of menu items ordered over a specific time period. This will help identify popular dishes and determine the quantity of ingredients or supplies needed for the next week.Reporting and Visualization: Generate reports or visual representations of the data to provide insights into ordering patterns, trends, and customer preferences. This could include graphs, charts, or dashboards that make it easier to interpret and act upon the information.Integration with Inventory Management: Integrate the data tracking system with the restaurant's inventory management system. This will enable seamless stock management by automatically generating orders based on the data collected.Regular Analysis and Adjustments: Continuously analyze the data and make necessary adjustments to the menu, ingredient quantities, or ordering process based on the insights gained. This will ensure efficient preparation and minimize wastage.By implementing an organized and efficient data tracking system, the restaurant can make data-driven decisions, improve inventory management, reduce waste, and better meet customer demands.
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(9w^2+7w-2)+(8w^2-8w-7)-(-5w^2+5w+4)
Answers
Step-by-step explanation:
Our expression;
\((9w^2+7w-2)+(8w^2-8w-7)-(-5w^2+5w+4)\)
Also represented as after using the distributive property;
\(9w^2+7w-2+8w^2-8w-7+5w^2-5w-4\)
Simplify;
\(9w^2+7w-2+8w^2-8w-7+5w^2-5w-4\)
\(22w^2+7w-2-8w-7-5w-4\)
\(22w^2-6w-2-7-4\)
\(22w^2-6w-13\)
Answer:
22w² - 6w - 13
Step-by-step explanation:
Given expression: (9w² + 7w - 2) + (8w² - 8w - 7) - (-5w² + 5w + 4)
Step-1: Open the parenthesis
⇒ (9w² + 7w - 2) + (8w² - 8w - 7) - (-5w² + 5w + 4)⇒ 9w² + 7w - 2 + 8w² - 8w - 7 + 5w² - 5w - 4Step-2: Combine like terms
⇒ 9w² + 7w - 2 + 8w² - 8w - 7 + 5w² - 5w - 4⇒ w²(9 + 8 + 5) + w(7 - 8 - 5) + (-2 - 7 - 4)Step-3: Simplify the expression
⇒ w²(9 + 8 + 5) + w(7 - 8 - 5) + (-2 - 7 - 4)⇒ w²(22) + w(-6) + (-13)⇒ 22w² - 6w - 13Therefore, the simplified expression is 22w² - 6w - 13.
Solve: 121−−−√. Round to nearest tenth, if needed.
Answers
Answer:
11
Step-by-step explanation:
The square root of 121 is 11. Remember 11 to the power of 2
A rancher wants to fence in an area of 1500000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?.
Answers
The shortest length of fence that the rancher can use is 6000 ft.
What is meant by length?
The measuring of one thing from finish to finish or on its longest aspect, or a measuring of a selected a part of one thing is known as length.
Main Body:
x = width of rectangle
y = length of rectangle
A = area of rectangle = xy = 1500000 ft^2
L = length of fencing needed = 2(x + y) + x = 3x + 2y
L = 3x + 2(1500000/x) = 3x + 3(10^6)x^(-1)
As x –> 0+, L –> +inf.
As x –> +inf, L –> (3x)+.
Sketch and see that there will be a minimum in Quadrant I.
dL/dx = 3 - 3(10^6)x^(-2)
Extrema occur when dL/dx = 0:
3 - 3(10^6)x^(-2) = 0
(10^6)x^(-2) = 1
x^2 = 10^6
x > 0, so x = 1000 feet for shortest length.
Hence,Shortest L = 3000 + 3(10^6)(10^3)^(-1) = 6000 feet.
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Find A + B. Be sure to show your work.
Answers
|a|=-4•4-(-4)•2
|a|=-4•4+4•2
|a|=4(-4+2)
|a|=4•(-2)
|a|=-8
|b|=2•6-(-4)•(-4)
|b|=12-(-4)•(-4)
|b|=12+4•(-4)
|b|=12-16
|b|=-4
Amelia can spend no more than $89 to rent a car for a day trip. A rental car costs $36 per day plus $0.20 per mile. Write and solve an inequality to find the possible distance in miles, m, that Amelia can drive without exceeding her budget.
Answers
Answer:
270 miles is your answer
Step-by-step explanation:
Which graph shows the line y-1 = 2(x+2)?
A. Graph D
B. Graph A
C. Graph B
D. Graph C
Answers
Answer:
D. Graph C
Step-by-step explanation:
Step 1: Identify the parts of the point-slope form to find the correct graph:
Currently, y - 1 = 2(x + 2) is in point-slope form, whose general equation is given by:
y - y1 = m(x - x1), where
(x1, y1) is one point on the line,and m is the slope.When (x1, y1) is plugged into the point-slope form, the sign of the actual coordinates becomes its opposite. Thus, the coordinates of the point on the line y - 1 = 2(x + 2) is (-2, 1), while the slope is 2.Only Graph C C has the point (-2, 1).Furthermore, since slope is simply the change in y / change in x, we see that for every 2 units you rise (go up on the line), you run (go right on the line) 1 unit.